CN102299969A - Web accessing method, layer seven switching equipment and service network - Google Patents
Web accessing method, layer seven switching equipment and service network Download PDFInfo
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Abstract
The invention discloses a Web accessing method, layer seven switching equipment and a service network. The method comprises that: the service network receives a Web accessing request from a client, and judges an Internet service provider (ISP) with the client according to an Internet protocol (IP) address of the client in the Web accessing request of the client, wherein the service network can provide a plurality of ISP lines for accessing; the service network matches a to-be-accessed Web server address specified by the Web accessing request of the client in a judged ISP network; and the service network navigates the Web accessing request of the client according to the matched Web server address. By the technical scheme, cross-ISP Web accessing can be accelerated.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to a kind of web access method, seven layer exchange devices and service network.
Background technology
In actual applications, multiple internet service provider (ISP, Internet ServiceProvider) also deposits, and interface network limited bandwidth between the ISP, and access speed is slower when having caused the cross-domain access to netwoks Web server of client.Be subjected to the restriction of overall interface capacity between two ISP networks when for example user capture of using telecommunications ADSL is deployed in Web server in the Internet data center of northern Netcom (IDC, Internet DataCenter), access speed is slower.A large amount of uses along with intelligent mobile terminal equipment, switching frequency between mobile network and the fixed network (WIFI) increases, Internet service need take into account the cross-domain visit between mobile Internet and the fixed the Internet, has further improved the demand for the speeding scheme of striding the ISP visit.
Therefore, current pressing for solves the web access acceleration problem of striding ISP.
Summary of the invention
The invention provides the web access accelerated method of a kind of ISP of striding, this method can realize striding the ISP web access and quicken.
The present invention also provides a kind of seven layer exchange devices, and these seven layers of exchange energies realize striding the ISPWeb visit and quicken.
The present invention also provides a kind of service network, and this service network can be realized striding the ISP web access and quicken.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses a kind of web access method, this method comprises:
Service network receives client web access request, judges the ISP of ISP at client place according to the client ip address in the described client web access request; Described service network can provide a plurality of ISP circuits to insert;
Service network mates the Web server address that described client web access request will be visited in the ISP of described judgement network;
Service network navigates to client web access request according to the Web server address of being mated.
The invention also discloses a kind of seven layer exchange devices, described seven layer exchange devices are arranged in the service network, and described service network can provide a plurality of ISP circuits to insert;
Described seven layers of this equipment of exchange comprise: intelligent routing module;
Described intelligent routing module comprises,
Determining unit is used to receive client web access request, judges the ISP at client place according to the client ip address in the described client web access request;
Matching unit is used for the Web server address that will visit in the described client web access request of the ISP of described judgement network coupling;
Navigation elements is used for according to the Web server address of being mated client web access request being navigated.
The invention also discloses a kind of service network, described service network can provide the access of a plurality of ISP circuits; This service network comprises: four layer exchange devices and above-mentioned seven layer exchange devices;
Wherein four layer exchange devices adopt the DR pattern of directly transmitting of Linux virtual server LVS soft switch, according to polling algorithm the client web access request that is received are forwarded to seven layer exchange devices.
By as seen above-mentioned, among the present invention, service network receives client web access request, judge the ISP at client place according to the client ip address in the described client web access request, the Web server address that the described client web access request of coupling will be visited in the ISP of described judgement network, according to the technical scheme of navigating to client web access request in the Web server address of being mated, can realize striding the ISP web access and quicken.
Description of drawings
Fig. 1-the 1st, the frame diagram of the service network in the embodiment of the invention;
Fig. 1-2 is the flow chart of the web access method in the embodiment of the invention;
Fig. 2 is the course of work flow chart of seven layer exchange devices in the embodiment of the invention;
Fig. 3 is the structural representation of seven layer exchange devices in the embodiment of the invention;
Fig. 4 is the composition structural representation of the service network in the embodiment of the invention.
Embodiment
In implementing process of the present invention, the inventor has carried out system research at the solution of the web access acceleration problem of striding ISP, striding aspect the ISP web access acceleration, can adopt content distributing network (CDN, Content Delivery Network) technology and intelligent domain name system technology such as (DNS, Domain Name System).
Intelligence DNS is a part of CDN technology, the CDN technology is mainly passed through at each carrier network key node deploy server, web content is carried out buffer memory, local dns service according to client place network, the Resource Server that sensing place network closes on obtains resource, stride ISP access to netwoks, hoisting velocity thereby reduce.CDN relatively is fit to the visit of static resource to quicken, and for dynamic content, must visit the Source Site of Web service and can realize normal service logic, therefore quickens to be difficult for realizing.
Dynamic content quickens mainly to be undertaken by intelligent DNS.Present intelligent DNS technology is as follows usually to the speed technology of this scene, is example with accesses network domain name www.abc.com:
1) user of Netcom is to local dns request analysis www.abc.com.
2) local dns sends request to the authoritative DNS of abc.com (the authoritative DNS here must be intelligent DNS).
3) intelligent DNS mates in Access Control List (ACL) (ACL, the Access Control List) the inside of oneself according to requestor's's (being above-mentioned local dns here) IP address, then the Web server address of coupling is returned to local dns.
4) local dns is told the user result, and result cache is got up.
5) Website server on the user capture Netcom circuit.
But be to use intelligent DNS service may run into following restriction: authoritative DNS must support intelligent DNS technology, perhaps intelligent DNS service upwards can be entrusted in the DNS record of website.For some public authority site for services, kidnap the information security events that causes in order to prevent DNS, DNS can not be served trustship and give third party's intelligence DNS service provider.Promptly under some scene, DNS record in Web service website can not be entrusted in intelligent DNS, provides the operator of ISP service that intelligent DNS service also can't be provided, and needs a kind of new web access speeding scheme of striding ISP this moment.
Provided a kind of private network structure in the present invention, be referred to as service network here, this service network can realize striding the web access acceleration of ISP.
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
Service network among the present invention receives client web access request, judges the ISP at client place according to the client ip address in the described client web access request; Described service network can provide a plurality of ISP circuits to insert; Service network mates the Web server address that described client web access request will be visited in the ISP of described judgement network; Service network navigates to client web access request according to the Web server address of being mated.
Preferably, service network is arranged on the IDC of Internet data center that a plurality of ISP circuits accesses can be provided.For example, on the IDC that can provide Netcom, telecommunications and China Mobile's circuit to insert simultaneously, 3 different IP addresses of 3 operator's circuits of application.On the server disposition structure, in the network topology of Web service, adopt the deployment architecture of four layer exchange devices+7 layer exchange devices+Web server.
4 layer exchange devices adopt direct forwarding (DR) pattern of Linux virtual server (LVS, Linux VirtualServer) soft switch under the Linux, and 7 layer exchange devices adopt " the intelligent navigation mode " that provides among the present invention.Adopting LVS DR pattern is can solve network traffics big the time, and all requests all need to transmit through 4 layers of 7 layers of two layer exchange device, reduce the problem of performance loss.
Fig. 1-the 1st, the frame diagram of the service network in the embodiment of the invention.Referring to Fig. 1-1, this service network can provide the access of a plurality of ISP circuits, and this service network comprises: fire compartment wall, four layer exchange devices, seven layer exchange devices and Web server.In one embodiment of the invention, the configuration of service network can be as follows:
1) special line that move, Netcom, corresponding respectively three operators of telecommunications three-line inserts, SEPARATE APPLICATION IP address on 3 circuits, 3 corresponding 3 domain names in IP addresses simultaneously.For example, application system has three domain names:
Cnc.app.com (the service IP address of corresponding Netcom network)
Ctc.app.com (corresponding telecommunications network service IP address)
Cmc.app.com (corresponding mobile network's service IP address)
2) when client web access request when the Internet sends to network service end, at first pass through fire compartment wall, fire compartment wall carries out network address translation to client web access request, with three-layer network address transition wherein is the virtual ip address (VIP) of Intranet, domain name in seven layers of request header remains unchanged, then four layer exchange devices of Fa Songing.
3) use LVS as four layer exchange devices here, two the LVS servers are installed and are adopted ap modes, wherein one as the master scheduling device, and another automaticallyes switch when the master scheduling device is delayed machine as the back scheduling device.The master scheduling device is according to polling algorithm, and request is forwarded on two 7 layer exchange devices.Owing to adopt DR (directly transmitting) pattern, two LVS four layer exchange devices and 2 seven layer exchange devices and have been bound with 1 VIP address (forbidding ARP service) in same LAN.
4) when client web access request is sent to seven layer exchange devices, seven layer exchange devices judge that according to the IP address of client whether corresponding with the domain name of request the ISP of user sources service IP address at same ISP, carry out jump instruction according to the strategy of judging and issue, perhaps turning round is dealt into Web server.Address on the Web server is not external,, as reverse proxy access response stream is directly returned to client by seven layer exchange devices.
Fig. 1-2 is the flow chart of the web access method in the embodiment of the invention.As shown in Fig. 1-2, this method comprises:
101, receive client web access request, judge the ISP at client place according to the client ip address in the described client web access request.
102, the Web server address that the described client web access request of coupling will be visited in the ISP of described judgement network.
103, according to the Web server address of being mated client web access request is navigated.
Described in the ISP of described judgement network the Web server address that will visit of the described client web access request of coupling comprise: judge whether the server ip address that client web access request will visit consistent with the ISP at client place, if server ip address consistent then that client web access request will be visited is as the Web server address of mating, if it is inconsistent, then (here according to the corresponding relation between each the ISP network side web server address that presets, can upgrade this corresponding relation according to the change of resource and the change of IP address etc.), the web server address of the described client place ISP network side of the server ip address correspondence of inquiring client terminal request visit is with the Web server address as coupling, the address that inquires.
Preferably, the corresponding relation between above-mentioned each ISP network side web server address can be arranged on the IDC that a plurality of ISP circuits accesses can be provided, and concrete can be arranged on this service network.
Described client web access request the navigation according to the Web server address of being mated comprises: the Web server address that obtains according to described coupling, the guiding client is forwarded to corresponding Web server with client web access request, and the response data of Web server feedback is returned to client.
If the server ip address that client web access request will be visited is consistent with the ISP at client place, then seven layer exchange devices are further: whether the needs correction detects according to presetting the probabilistic determination active client, be then according to statistics in the storehouse data comparison active client and and the difference of active client between the load time when belonging to the described particular server IP of each client-access address of same region, determine the whether needs correction of ISP at the place, active client IP address in the address base according to this difference; Described statistics storehouse obtains for the load time of the server ip address in the client-access assigned I SP that belongs to same region is gathered; Be then, the server ip address that described client web access request will be visited revised that revised server ip address place ISP and described client place ISP are inconsistent, with the Web server address of revised address as coupling; Otherwise, carry out the described server ip address that client web access request will be visited as the Web server address of mating.
Wherein, the method that load time of the server ip address in the client-access assigned I SP that belongs to same region statistics is obtained adding up the storehouse comprises: the load time of obtaining the server ip address in the client-access assigned I SP that belongs to same region; Preserving the above-mentioned load time obtains adding up the storehouse.
Need to prove that each visit all needs to obtain the load time, and add in the statistics storehouse; The statistics storehouse is brought in constant renewal in.
Concrete, the described load time of obtaining the server ip address in the client-access assigned I SP that belongs to same region comprises: when returning the response data of Web server feedback to client, the adding beginning response time stabs in response data; When client script loaded, the more described beginning response time stabbed and the local time, obtains the load time.
That is to say, the load time that seven layer exchange devices will belong to the server ip address in the client-access assigned I SP of same region is aggregated in the statistics storehouse and comprises: seven layer exchange devices add the beginning response time to stab when returning the response data of Web server feedback to client in response data; When client script loaded, the more described beginning response time stabbed and the local time, obtains the load time, and will send to seven layer exchange devices the load time; In the statistics storehouse of seven layer exchange devices with the load time record of client transmission.
Described according to statistics in the storehouse data comparison active client and and the difference of active client between the load time when belonging to the described particular server IP of each client-access address of same region, determine according to this difference whether the needs correction comprises for ISP under the active client IP address:
According to the data computation described particular server IP address of statistics in the storehouse by and the average load time μ of active client when belonging to each client-access of same region, and the average variances sigma of load time, and calculate before the described particular server IP address average load time x when being visited by active client;
Calculate the residing distribution probability f of x (x) according to following just too distribution probability formula:
If f (x) is less than first predetermined threshold value then do not need to revise, if instead f (x) more than or equal to first predetermined threshold value, then randomly draws correction according to the size of f (x).
Concrete, described size according to f (x) is randomly drawed to revise and is comprised: utilize f (x) to calculate and extract probability F (x): F (x)=(f (x)-first predetermined threshold value)/second predetermined threshold value;
Determine whether the ISP under the active client IP address is revised with probability F (x).
Need to prove, as f (x) during more than or equal to first predetermined threshold value, be not all to need it is revised, need here to calculate a new probability F (x) according to f (x) again, f (x) is revised according to this new probability F (x) more than or equal to the access request of first predetermined threshold value.That is to say, because ISP mistake etc. causes address base wrong, what need revise is not very common in fact, for the access efficiency (and then improving the web access efficiency) that further improves address base, herein, take to extract the mode that part is revised, promptly in the access request of f (x) more than or equal to first predetermined threshold value, with F (x) is probability, extract the part access request and carry out the address correction, in this step, when judging f (x), be that probability determines whether that need carry out the address to it revises with F (x) to the ISP under the active client IP address more than or equal to first predetermined threshold value.
Further, carry out the web visit at described client according to revised address, calculate the load time mean value of scheduled visit number of times, if this load time mean value less than the load time of the ISP address, place of writing down in the described client-access raw address storehouse, is then replaced the ISP at the active client place in the address base with the ISP under the described revised address.
Described judge active client whether need revise to detect before this method further comprise: obtain client ip address, judge the ISP at client place according to client ip address and address base; Judge whether the server ip address that client web access request will visit is consistent with the ISP at client place, be then to carry out describedly to judge whether active client needs to revise the step of detection, it jumps to instruction on corresponding isp server address otherwise return guiding to client.
Described judge active client whether need revise to detect after this method further comprise: do not need to revise detection if judge active client, client web access request is forwarded to corresponding Web server, and the response data of Web server feedback is returned to client.
The response data of Web server feedback is returned to client further to be comprised: result of determination is write client as cookie; Wherein, result of determination comprises: client ip address, ISP corresponding server IP address, client place, result of determination type; Wherein, the result of determination type is permanent or interim;
Obtain client ip address at described seven layer exchange devices, before the ISP according to client ip address and address base judgement client place, this method further comprises: detect this client and whether have the result of determination of preserving with the cookie form, be then to carry out following step a to steps d, otherwise carry out described seven layer exchange devices and obtain client ip address, judge the step of the ISP at client place according to client ip address;
A, the cookie of described existence is decoded, obtain result of determination information;
B, judge whether the client ip address in the result of determination information is consistent with current client ip address, be execution in step c then, otherwise carry out the described client ip address that obtains, judge the step of the ISP at client place according to client ip address and address base;
C, judge that the ISP corresponding server IP address, client place in the result of determination information is whether consistent with the server ip address that active client web access request will be visited, be execution in step d then, otherwise carry out the described client ip address that obtains, judge the step of the ISP at client place according to client ip address and address base;
D, judge whether the result of determination type in the result of determination information is permanent, be then client web access request to be forwarded to corresponding Web server, and the response data of Web server feedback returned to client, preset the probabilistic determination active client step whether the needs correction detects otherwise carry out described basis.
Not needing to revise if determine the pairing ISP of this client ip address in the address base, when result of determination is write client as cookie, is permanent with the result of determination class record then.
Judging the result in the address base, if not through revising, then be interim with the result of determination class record, if passed through correction, is permanent with the result of determination class record then.
Provide the workflow of seven layer exchange devices below.
Fig. 2 is the course of work flow chart of seven layer exchange devices in the embodiment of the invention.As shown in Figure 2, comprising:
201, when client web access request is forwarded to seven layer exchange devices, check at first whether this client exists the result of determination of cookie form preservation, when the user logins first, the result of determination that does not have preservation, execution in step 202, if there is the result of determination of preserving, then execution in step 209.
202, according to client web access acquisition request client ip address, judge the ISP at client place according to client ip address.
In this step, the load address information table and forms binary search tree BST structure in internal memory from address base, searches pairing ISP of this client ip address and regional information according to client ip address on BST.
203, judge whether the server ip address that client web access request will visit is consistent with the ISP at client place, be execution in step 205 then, otherwise execution in step 204.
Here, whether the server ip address that client web access request will be visited is consistent with the ISP at client place, for example is meant whether the address of the user capture of Netcom is the address of service of network, if then consistent, if the address of service of telecommunications then is inconsistent.
204, return HTTP 302 jump instructions to client, the guiding client jumps on the pairing isp server of the IP address address, enters step 208.
205, adopt to extract a certain proportion of random number algorithm and judge whether this client needs to detect, be execution in step 206 then, otherwise execution in step 207.
In one embodiment of the invention, this ratio gets 10%, promptly randomly draws 10% client and detects.
206, judge whether needs correction of the pairing ISP of this client ip address in the address base according to preset strategy, be then to provide an ISP modified address at random, and to jumping to step 204, otherwise enter step 207.
If do not need to revise, when result of determination is write client as cookie, be permanent then with the result of determination class record.
In this step, can need determine whether to revise according to the average first byte load time of client-access and whole on average irrelevances of load times of access services address.
207, client web access request is forwarded to corresponding Web server, get access to the true response data that Web server returns as reverse proxy, and return to client.
Can when getting access to the true response data that Web server returns, on it, add the timestamp that response sends in this step,, can add at head in the page and load the Javascript script that detects, report to server for the page of observation.
The cookie that records client judges that in order to reduce unnecessary repeating alleviate the calculated load of server end, Cookie is one section information that adopts the DES algorithm for encryption, through restoring a result of determination object after the deciphering, comprises following information:
Client ip address: the source IP of the client of the visit when taking place to judge;
ISP corresponding server IP address, client place: judge ISP corresponding server IP address, client place;
Result of determination type: permanent or interim; For the result in the address base, if do not pass through the correction of correcting module, be interim result, be permanent result if be corrected then promoted.
209, the cookie that exists is decoded, obtain result of determination information.
210, judge whether the client ip address in the result of determination information is consistent with current client ip address, be execution in step 211 then, otherwise execution in step 202.
211, judge that the ISP corresponding server IP address, client place in the result of determination information is whether consistent with the server ip address that active client web access request will be visited, be execution in step 212 then, otherwise execution in step 202.
212, judge that whether the result of determination type in the result of determination information is permanent, be execution in step 207 then, otherwise execution in step 205.
By flow process shown in Figure 2 as seen, seven layer exchange devices further write client with result of determination as cookie; Before judging the ISP at client place according to client ip address, detect this client and whether have the result of determination of preserving with the cookie form, be then to judge according to the result of determination information among the cookie this time whether needs are judged the ISP at client place according to client ip address, otherwise carry out the step of judging the ISP at client place according to client ip address.
Fig. 3 is the structural representation of seven layer exchange devices in the embodiment of the invention.As shown in Figure 3, this seven layer exchange device comprises: address base collection module 301, address base administration module 302, intelligent routing module 303 and reverse proxy module 304.Wherein:
Address base collection module 301 is used to safeguard address base; The data sync of maintenance and APNIC is safeguarded local described address base by the address base that grasps the APNIC announcement specifically.APNIC is the official mission that is responsible for Asian-Pacific area IP address end and AS number assignment.
Address base administration module 302 is used for the management address storehouse, provides inquiry service to intelligent routing module 303; Be used for specifically when receiving the query requests of intelligent routing module 303, the load address information table is in internal memory from address base, and form binary search tree BST structure, on BST, search pairing ISP of this client ip address and regional information according to client ip address.
Specifically, when receiving client web access request, obtain client ip address, according to the ISP ISP of client ip address to address base administration module 302 inquiring client terminal places, matching unit is used to specifically to judge whether the server ip address that client web access request will visit is consistent with the ISP at client place, if server ip address consistent then that client web access request will be visited is as the Web server address of mating, client web access request is transmitted to reverse proxy module 304, and the response data that reverse proxy module 304 is fed back returns to client, if corresponding relation inconsistent then between basis each ISP network side web server address that presets, the web server address of the described client place ISP network side of the server ip address correspondence of inquiring client terminal request visit, with Web server address, the address that inquires, return HTTP 302 jump instructions to client as coupling;
Seven layer exchange devices as shown in Figure 3 further comprise: route correcting module 305;
Route correcting module 305, be used for when described matching unit judges that server ip address that client web access request will visit is consistent with the ISP at client place, whether needs are revised detection to client according to presetting probabilistic determination, be that then whether the needs correction detects according to presetting the probabilistic determination active client, be then according to statistics in the storehouse data comparison active client and and the difference of active client between the load time when belonging to the described particular server IP of each client-access address of same region, determine the whether needs correction of ISP at the place, active client IP address in the address base according to this difference; Described statistics storehouse obtains for the load time of the server ip address in the client-access assigned I SP that belongs to same region is gathered;
Be that the server ip address that then will visit described client web access request is revised, revised server ip address place ISP and described client place ISP are inconsistent, with the Web server address of revised address as coupling; Otherwise the server ip address that client web access request will be visited is as the Web server address of coupling.
Concrete, described intelligent routing module 303, judging server ip address that client web access request will visit when consistent with the ISP at client place, and before client web access request is transmitted to the reverse proxy module, be further used for whether needs (are for example revised detection to client according to presetting probabilistic determination, adopt a certain proportion of random number algorithm of extraction to determine whether this client needs to detect), be then client web access request to be transmitted to route correcting module 305, otherwise client web access request is transmitted to reverse proxy module 304; Be further used for when the notice of the needs correction that receives 305 transmissions of route correcting module, the server ip address that described client web access request will be visited is revised, revised server ip address place ISP and described client place ISP are inconsistent, with the Web server address of revised address as coupling, return HTTP 302 jump instructions to client, during the notice revised in not needing of receiving that route correcting module 305 sends, the server ip address that client web access request will be visited is transmitted to reverse proxy module 304 as the Web server address of coupling with client web access request;
Route correcting module 305, be used for when receiving client web access request, judge whether needs correction of the pairing I SP of this client ip address in the address base according to preset strategy, be then to send the notice that needs correction to intelligent routing module 303, and provide an ISP modified address at random and give the address base administration module synchronously, do not need the notice revised otherwise send to intelligent routing module 303.
In one embodiment of the invention, described route correcting module 305, be used for according to the data comparison active client in statistics storehouse and and the difference of active client between the load time when belonging to the described particular server IP of each client-access address of same region, determine the whether needs correction of ISP at the place, active client IP address in the address base according to this difference; Be then to send to need the notice revised, do not need the notice revised otherwise send to intelligent routing module to intelligent routing module.
In equipment shown in Figure 3, described intelligent routing module 303 is used for further result of determination being write client as cookie when the response data with reverse proxy module 304 feedbacks returns to client; Wherein, result of determination comprises: client ip address, ISP corresponding server IP address, client place, result of determination type; Wherein, the result of determination type is permanent or interim;
Described intelligent routing module 303, before judging the ISP at client place according to client ip address, further detect this client and whether have the result of determination of cookie form preservation, be then to carry out following step a, otherwise carry out the step of judging the ISP at client place according to client ip address to steps d;
A, the cookie of described existence is decoded, obtain result of determination information;
B, judge whether the client ip address in the result of determination information is consistent with current client ip address, be execution in step c then, otherwise carry out the step of judging the ISP at client place according to client ip address;
C, judge that the ISP corresponding server IP address, client place in the result of determination information is whether consistent with the server ip address that active client web access request will be visited, be execution in step d then, otherwise carry out the step of judging the ISP at client place according to client ip address;
D, judging that whether the result of determination type in the result of determination information is permanent, is then client web access request to be forwarded to the reverse proxy module, extracts a certain proportion of random number algorithm and determines whether this client needs to detect otherwise adopt;
Described intelligent routing module 303 is used for after the notice that does not need to accomplish that receives the transmission of route correcting module, when result of determination is write client as cookie, is permanent with the result of determination class record.
Fig. 4 is the composition structural representation of the service network in the embodiment of the invention.As shown in Figure 4, the embodiment of the invention also provides a kind of service network, and described service network can provide the access of a plurality of ISP circuits; This service network comprises: four layer exchange devices 401 and as described seven layer exchange devices 402 of above-mentioned embodiment;
Wherein four layer exchange devices adopt the DR pattern of directly transmitting of Linux virtual server LVS soft switch, according to polling algorithm the client web access request that is received are forwarded to seven layer exchange devices.
Further, the service network that the embodiment of the invention provides also comprises the corresponding relation between each ISP network side web server address, is used to write down same asset and sees corresponding relation at each ISP network side web server address.
Preferably, the corresponding relation between above-mentioned each ISP network side web server address can upgrade this corresponding relation according to the change of resource and the change of IP address etc.
Seven layer exchange devices judge whether the server ip address that client web access request will visit is consistent with the ISP at client place, if server ip address consistent then that client web access request will be visited is as the Web server address of mating, if it is inconsistent, then according to the corresponding relation between each the ISP network side web server address that presets, the web server address of the described client place ISP network side of the server ip address correspondence of inquiring client terminal request visit is with the Web server address as coupling, the address that inquires.
Then, seven layer exchange devices navigate to client web access request according to the Web server address of being mated.
The technical characterictic of each functional module of service network that the embodiment of the invention provides sees also associated description in said method embodiment and the apparatus embodiments, repeats no more herein.
In sum, in the embodiment of the invention, service network receives client web access request, judge the ISP at client place according to the client ip address in the described client web access request, the Web server address that the described client web access request of coupling will be visited in the ISP of described judgement network, the technical scheme of client web access request being navigated according to the Web server address of being mated, can realize that striding the ISP web access quickens, and can solve Web service website DNS record and can not entrust, the problem of striding ISPWeb visit acceleration the when operator that provides ISP to serve also can't provide intelligent DNS to serve in intelligent DNS.
Having designed based on seven layers of exchange intelligent navigation technology provides the web access of striding ISP to quicken, and has adopted simultaneously based on searching with intelligent correction technique of client ip data and has solved the inaccurate problem of data.
The problem that the Web client-access quickens when having solved the multi-line access by seven layers of means of exchange.This taking solves the scheme that multi-line inserts acceleration based on seven layer-switching technologies, compares with intelligent DNS technology, overcome because operator DNS server disposition structure causes the uncontrollable problem of result of determination.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (10)
1. a web access method is characterized in that, this method comprises:
Service network receives client web access request, judges the ISP of ISP at client place according to the client ip address in the described client web access request; Described service network can provide a plurality of ISP circuits to insert;
Service network mates the Web server address that described client web access request will be visited in the ISP of described judgement network;
Service network navigates to client web access request according to the Web server address of being mated.
2. method according to claim 1 is characterized in that, the described Web server address that the described client web access request of coupling will be visited in the ISP of described judgement network comprises:
Judge whether the server ip address that client web access request will visit is consistent with the ISP at client place, if server ip address consistent then that client web access request will be visited is as the Web server address of mating, if it is inconsistent, then according to the corresponding relation between each the ISP network side web server address that presets, the web server address of the described client place ISP network side of the server ip address correspondence of inquiring client terminal request visit is with the Web server address as coupling, the address that inquires.
3. method according to claim 1 is characterized in that, described client web access request the navigation according to the Web server address of being mated comprises:
According to the Web server address that described coupling obtains, the guiding client is forwarded to corresponding Web server with client web access request, and the response data of Web server feedback is returned to client.
4. according to each described method in the claim 1 to 3, it is characterized in that described service network comprises seven layer exchange devices;
Described seven layer exchange devices are carried out described following steps: receive client web access request, judge the ISP of ISP at client place according to the client ip address in the described client web access request; The Web server address that the described client web access request of coupling will be visited in the ISP of described judgement network; According to the Web server address of being mated client web access request is navigated;
Described service network also comprises four layer exchange devices;
Described four layer exchange devices adopt the DR pattern of directly transmitting of Linux virtual server LV S soft switch, according to polling algorithm described client web access request are forwarded to seven layer exchange devices.
5. method according to claim 2 is characterized in that, if the server ip address that client web access request will be visited is consistent with the ISP at client place, then this method further comprises:
Whether the needs correction detects according to presetting the probabilistic determination active client, be then according to statistics in the storehouse data comparison active client and and the difference of active client between the load time when belonging to the described particular server IP of each client-access address of same region, determine the whether needs correction of ISP at the place, active client IP address in the address base according to this difference; Described statistics storehouse obtains for the load time of the server ip address in the client-access assigned I SP that belongs to same region is gathered;
Be then, the server ip address that described client web access request will be visited revised that revised server ip address place ISP and described client place ISP are inconsistent, with the Web server address of revised address as coupling;
Otherwise, carry out the described server ip address that client web access request will be visited as the Web server address of mating.
6. method according to claim 3 is characterized in that, described response data with the Web server feedback returns to client and further comprises: result of determination is write client as cookie; Wherein, result of determination comprises: client ip address, ISP corresponding server IP address, client place, result of determination type;
Before judging the ISP at client place according to client ip address, this method further comprises: detect this client and whether have the result of determination of preserving with the cookie form, be then to judge according to the result of determination information among the cookie this time whether needs are judged the ISP at client place according to client ip address, otherwise carry out the step of judging the ISP at client place according to client ip address.
7. a layer exchange device is characterized in that, described seven layer exchange devices are arranged in the service network, and described service network can provide a plurality of ISP circuits to insert;
Described seven layers of this equipment of exchange comprise: intelligent routing module;
Described intelligent routing module comprises,
Determining unit is used to receive client web access request, judges the ISP at client place according to the client ip address in the described client web access request;
Matching unit is used for the Web server address that will visit in the described client web access request of the ISP of described judgement network coupling;
Navigation elements is used for according to the Web server address of being mated client web access request being navigated.
8. seven layer exchange devices according to claim 7 is characterized in that,
Described matching unit, be used to specifically to judge whether the server ip address that client web access request will visit is consistent with the ISP at client place, if server ip address consistent then that client web access request will be visited is as the Web server address of mating, if it is inconsistent, then according to the corresponding relation between each the ISP network side web server address that presets, the web server address of the described client place ISP network side of the server ip address correspondence of inquiring client terminal request visit is with the Web server address as coupling, the address that inquires.
9. seven layer exchange devices according to claim 8 is characterized in that, this seven layer exchange device further comprises, the route correcting module:
Be used for when described matching unit judges that server ip address that client web access request will visit is consistent with the ISP at client place, whether needs are revised detection to client according to presetting probabilistic determination, be then according to statistics in the storehouse data comparison active client and and the difference of active client between the load time when belonging to the described particular server IP of each client-access address of same region, determine the whether needs correction of ISP at the place, active client IP address in the address base according to this difference; Described statistics storehouse obtains for the load time of the server ip address in the client-access assigned I SP that belongs to same region is gathered;
Be that the server ip address that then will visit described client web access request is revised, revised server ip address place ISP and described client place ISP are inconsistent, with the Web server address of revised address as coupling; Otherwise the server ip address that client web access request will be visited is as the Web server address of coupling.
10. a service network is characterized in that, described service network can provide the access of a plurality of ISP circuits; This service network comprises: four layer exchange devices and as each described seven layer exchange devices of claim 7-9;
Wherein four layer exchange devices adopt the DR pattern of directly transmitting of Linux virtual server LVS soft switch, according to polling algorithm the client web access request that is received are forwarded to seven layer exchange devices.
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