CN103685611A - Network access processing method and device - Google Patents
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Abstract
The invention discloses a network access processing method and a network access processing device. The network access processing method comprises the following steps of receiving a domain name system query request; resolving the domain name of the domain name system query request to obtain a plurality of IP (Internet protocol) addresses by using a domain name system server; acquiring the IP address with the shortest path in the IP addresses; transmitting the IP address with the shortest path to a user terminal, wherein the user terminal accesses an application server based on the IP address with the shortest path. According to the method and the device, the speed of access to the application server can be increased.
Description
Technical field
The present invention relates to internet arena, in particular to a kind of access to netwoks processing method and device.
Background technology
Domain name system (Doman Name System, referred to as DNS) is the basic agreement of Internet, has been used for the translation of domain name to agreement interconnected between network (Internet Protocol, referred to as IP) address.Intelligence dns resolution can realize according to source IP address, selects different IP addresses to carry out DNS and replys, for example, when the user of Netcom needs access application server, need to initiate domain name and carry out DNS inquiry, preferentially returns to the IP address of Netcom's server.
Intelligence dns resolution need to be carried out configuration on dns server, and dns server keeper need to know that the DNS sending which IP address asks to return the IP address after which parsing.Like this, because needs people is for being configured, and the workload of configuration is large, make the keeper of dns server require very high, particularly the in the situation that of domain name trustship, when certain dns server is being born the parsing work of hundreds thousand of domain names, complete one by one similar configuration effort amount very large, and easily make mistakes.
Inventor finds, intelligent dns resolution system to user return IP address normally dns server decide in its sole discretion, for example when intelligent dns resolution For Solutions of Systems, separate out A, two IP addresses of B, wherein A is first-selected IP address.The order of A, B normally dns server is decided in its sole discretion, be that dns server detects that himself is faster than the access speed to B to the access speed of A, but this is not representing that user terminal access A is also faster, thereby cause the slow-footed problem of user terminal access network.
For the slow-footed problem of user terminal access network in prior art, effective solution is not yet proposed at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of access to netwoks processing method and device, to solve the slow-footed problem of user terminal access network.
To achieve these goals, according to an aspect of the present invention, provide a kind of access to netwoks processing method.Access to netwoks processing method according to the present invention comprises: receive the request of domain name system queries; By domain name system server, the domain name of domain name system inquiry request is resolved, obtain a plurality of IP address; Obtain the IP address of shortest path in a plurality of IP address; The IP address of shortest path is sent to user terminal, wherein, the IP address access application server of user terminal based on shortest path.
Further, the IP address that obtains shortest path in a plurality of IP address comprises: based on dynamic routing protocol, according to path length, sorted in a plurality of IP address; A plurality of IP address in IP list after memory sequencing; From IP list, obtain the IP address of shortest path in a plurality of IP address.
Further, based on dynamic routing protocol, according to path length, sorted and comprised in a plurality of IP address: the connection speed that detects each IP address in a plurality of IP address based on dynamic routing protocol, wherein, the path length of IP address is determined by the connection speed of IP address; Sorted according to the connection speed of a plurality of IP address detecting in a plurality of IP address.
Further, based on dynamic routing protocol, according to path length, sorted and comprised in a plurality of IP address: detect the record that whether has a plurality of IP address in routing table; While having the recording of a plurality of IP address in detecting routing table, sorted according to the order from small to large of the connection speed in routing table in a plurality of IP address in routing table.
Further, after a plurality of IP address in IP list after memory sequencing, access to netwoks processing method also comprises: storing IP list; When again receiving the request of domain name system queries, the IP list of storage is sent to user terminal, wherein, the IP address access application server of user terminal based in IP list.
Further, after storing IP list, access to netwoks processing method also comprises: whether change in the path of the IP address in the IP list based on dynamic routing protocol detection of stored; During the route diversion of the IP address in the IP list that detects storage, according to the path length of IP address after changing, a plurality of IP address is re-started to sequence, wherein, when again receiving the request of domain name system queries, the IP list after rearrangement is sent to user terminal.
To achieve these goals, according to a further aspect in the invention, provide a kind of access to netwoks processing unit.Access to netwoks processing unit according to the present invention comprises: receiving element, for receiving the request of domain name system queries; Resolution unit, for the domain name of domain name system inquiry request being resolved by domain name system server, obtains a plurality of IP address; Acquiring unit, for obtaining the IP address of a plurality of IP address shortest path; Transmitting element, for the IP address of shortest path is sent to user terminal, wherein, the IP address access application server of user terminal based on shortest path.
Further, acquiring unit comprises: order module, for being sorted in a plurality of IP address according to path length based on dynamic routing protocol; Memory module, for a plurality of IP address after IP list memory sequencing; Acquisition module, for obtaining the IP address of shortest path a plurality of IP address from IP list.
Further, order module comprises: the first detection sub-module, and for detect the connection speed of each IP address, a plurality of IP address based on dynamic routing protocol, wherein, the path length of IP address is determined by the connection speed of IP address; The first sequence submodule, for sorting a plurality of IP address according to the connection speed of a plurality of IP address detecting.
Further, order module comprises: the second detection sub-module, for detection of whether there being the record of a plurality of IP address in routing table; The second sequence submodule, for when detecting routing table and have recording of a plurality of IP address, sorts a plurality of IP address in routing table according to the order from small to large of the connection speed in routing table.
Further, access to netwoks processing unit also comprises: memory cell, for after a plurality of IP address after IP list memory sequencing, storing IP list, wherein, transmitting element also, for when again receiving the request of domain name system queries, is sent to user terminal by the IP list of storage, wherein, the IP address access application server of user terminal based in IP list.
Further, access to netwoks processing unit also comprises: detecting unit, for after storing IP list, whether change in the path of the IP address in the IP list based on dynamic routing protocol detection of stored, wherein, order module is also for when detecting the route diversion of IP address of IP list of storage, according to the path length of IP address after changing, a plurality of IP address is re-started to sequence, transmitting element, also for when again receiving the request of domain name system queries, is sent to user terminal by the IP list after rearrangement.
By the present invention, Adoption Network access processing method, by after receiving domain name system inquiry request, domain name to domain name system inquiry request is resolved, obtain a plurality of IP address, and then obtain the IP address of resolving shortest path in a plurality of IP address obtain, wherein, the IP address of shortest path is the IP address that user terminal arrives the application server shortest path of domain name, the IP address of this shortest path is sent to user terminal, user terminal can conduct interviews based on this IP address, thereby make the shortest path of user terminal access, solved the slow-footed problem of user terminal access network, reached the access speed of accelerating application server.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the structural representation of the access to netwoks processing unit of first embodiment of the invention;
Fig. 2 is according to the structural representation of the access to netwoks processing unit of second embodiment of the invention;
Fig. 3 is according to the structural representation of a kind of preferred access to netwoks processing unit of the embodiment of the present invention;
Fig. 4 is according to the flow chart of the access to netwoks processing method of first embodiment of the invention; And
Fig. 5 is according to the flow chart of the access to netwoks processing method of second embodiment of the invention.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, the term " first " in specification of the present invention and claims and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, and needn't be for describing specific order or precedence.Should be appreciated that the data of such use are suitably exchanging in situation, so that embodiments of the invention described herein.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, for example, those steps or unit that the process that has comprised series of steps or unit, method, system, product or equipment are not necessarily limited to clearly list, but can comprise clearly do not list or for these processes, method, product or equipment intrinsic other step or unit.
The embodiment of the present invention provides a kind of access to netwoks processing unit, and this device can be realized its function by computer equipment.
Fig. 1 is according to the structural representation of the access to netwoks processing unit of first embodiment of the invention.As shown in Figure 1, this access to netwoks processing unit comprises receiving element 10, resolution unit 30, acquiring unit 50 and transmitting element 70.
Receiving element 10 is for receiving the request of domain name system queries.
When user is when the user terminal access network, need input to need the domain name of the website of access, service.aaa.com for example, the application server that can access this website.First user sends domain name system inquiry request (DNS inquiry request) by user terminal to domain name system server (dns server), and DNS inquiry request is for carrying out DNS inquiry by dns server to domain name.Receiving element 10 receives DNS inquiry request, so that the inquiry request of relative users.
Resolution unit 30, for the domain name of domain name system inquiry request being resolved by domain name system server, obtains a plurality of IP address.
After receiving DNS inquiry request, can first detect the record that whether has the domain name of domain name system queries request in DNS buffer memory, carry out DNS cache lookup, from buffer memory, search the record of this domain name.If there is the record of the domain name of this domain name system inquiry request in DNS buffer memory, in DNS buffer memory, there be IP address corresponding to this domain name, IP address corresponding to the domain name of storing in DNS buffer memory can be sent to user terminal, user terminal can be accessed corresponding application server based on this IP address.If there is not the record of the domain name of this domain name system inquiry request in DNS buffer memory, DNS inquiry request is sent to dns server, resolution unit 30 is resolved the domain name of domain name system inquiry request by domain name system server, certainly, after receiving DNS inquiry request, also can directly by domain name system server, to the domain name of domain name system inquiry request, resolve, thereby obtain a plurality of IP address.
Particularly, can be by dns server, domain name to be resolved, obtain a plurality of IP address, and generate corresponding IP list.After generating IP list, dns server returns to the IP list of generation the access to netwoks processing unit of the embodiment of the present invention with the form of response message, resolution unit 30 can be by obtaining the response message of dns server, and this response message is resolved, obtain the identical a plurality of IP address being resolved to dns server.For example resolve in the IP list obtaining and include two IP addresses of 1.1.1.1/1.1.1.2, wherein, 1.1.1.1 is the optimal result that dns server is thought.
Acquiring unit 50 is for obtaining the IP address of a plurality of IP address shortest path.
In parsing, obtain a plurality of IP address, acquiring unit 50 can obtain the IP address of shortest path in a plurality of IP address, the IP address of the shortest path that the IP address of shortest path is user terminal access, that is, and the shortest path of the application server that this IP address of user terminal access is corresponding.
Particularly, the IP address that obtains shortest path in a plurality of IP address can be first from routing table, to search the record of resolving a plurality of IP address obtaining, and wherein, has the path that reaches particular network terminal in routing table, in some cases, the tolerance that also has some and these path coherences.By search the record of IP address from routing table, can determine the path of user terminal and this corresponding application server in IP address.If can find the record of resolving a plurality of IP address obtaining from routing table, can determine according to the record in routing table the routing information of IP address.Thereby sorted (for example sort from small to large according to path, or, sort from big to small etc.) according to path length in a plurality of IP address, thereby the IP address that (or last position) the IP address that makes number one is shortest path.
In addition, if do not find the record of a plurality of IP address parsing from routing table, can to IP address, carry out route exploration and selection based on dynamic routing protocol.Wherein IP address being surveyed, can be the connection speed that detects each IP address, judges the length in the path of IP address by the connection speed of IP address.For example, suppose " connection speed (1.1.1.1) "=20, " connection speed (1.1.1.2)=10 ", " connection speed " is larger here, and expression is longer to the time of corresponding destination, and " connection speed " is larger, and path is longer.According to the connection speed of IP address, to resolving the path of a plurality of IP address obtaining, sort, obtain the IP address of shortest path.
Transmitting element 70 is for being sent to user terminal by the IP address of shortest path, wherein, and the IP address access application server of user terminal based on shortest path.
After getting the IP address of shortest path, transmitting element 70 can send to user terminal by the IP address of this shortest path, and user terminal can be accessed application server corresponding to this IP address in the IP address based on shortest path.
Particularly, transmitting element 70 can be that the IP list that includes the IP address of shortest path is sent to user terminal with the form of DNS response message, and wherein, the IP address of shortest path can be the primary IP address coming in IP list.During the IP list accesses network of user terminal based in DNS response message, can carry out access to netwoks in first-selected first IP address.Certainly, when if user terminal cannot carry out access to netwoks based on first IP address, can automatically choose second IP address conducts interviews, because second IP address is for remaining IP address, its shortest path, thereby while guaranteeing that user terminal goes wrong in IP address, also can the IP address based on not going wrong in the IP address of shortest path carry out access to netwoks.
According to the embodiment of the present invention, by after receiving domain name system inquiry request, domain name to domain name system inquiry request is resolved, obtain a plurality of IP address, and then obtain the IP address of resolving shortest path in a plurality of IP address obtain, wherein, the IP address of shortest path is the IP address that user terminal arrives the application server shortest path of domain name, the IP address of this shortest path is sent to user terminal, user terminal can conduct interviews based on this IP address, thereby make the shortest path of user terminal access, solved the slow-footed problem of user terminal access network, reached the access speed of accelerating application server.
Fig. 2 is according to the structural representation of the access to netwoks processing unit of second embodiment of the invention.The access to netwoks processing unit of this embodiment can be used as a kind of preferred implementation of the access to netwoks processing unit of above-described embodiment.As shown in Figure 2, this access to netwoks processing unit comprises receiving element 10, resolution unit 30, acquiring unit 50 and transmitting element 70, and wherein, acquiring unit 50 comprises order module 501, memory module 503 and acquisition module 505.
Order module 501 is for sorting to a plurality of IP address according to path length based on dynamic routing protocol.
After parsing obtains a plurality of IP address, order module 501 sorts to a plurality of IP address according to path length based on dynamic routing protocol, wherein, dynamic routing protocol is comprised of one group of relevant agreement, its objective is in order to set up a route autonomous system in certain area, in this autonomous system, routing table does not need artificial configuration, but uses relevant route learning algorithm automatic learning.
Particularly, can carry out route exploration and selection based on dynamic routing protocol, also can be from routing table, to search the record of resolving a plurality of IP address obtaining, then the length in the path of the IP address according to route exploration and after selecting, or the path length of the IP address finding in routing table sorts to a plurality of IP address.
Preferably, order module 501 comprises the first detection sub-module and the first sequence submodule, the first detection sub-module is for detecting the connection speed of each IP address, a plurality of IP address based on dynamic routing protocol, wherein, the path length of IP address is determined by the connection speed of IP address.
Particularly, the first detection sub-module can be by route exploration and selection being carried out in each IP address in a plurality of IP address based on dynamic routing protocol, by calculating the connection speed of each IP address, because the path length of IP address can be determined by the connection speed of IP address, the connection speed that therefore calculates each IP address can obtain each and determine the path of a plurality of IP address is compared.Wherein, after calculating the connection speed of IP address, the connection speed of IP address can be updated in routing table, thereby while being convenient to again access this IP address, can from routing table, directly search this record.
The first sequence submodule is for sorting a plurality of IP address according to the connection speed of a plurality of IP address detecting.
In detection, obtain the connection speed of a plurality of IP address, the first sequence submodule can sort to the connection speed of a plurality of IP address, for example, suppose " connection speed (1.1.1.1) "=20, " connection speed (1.1.1.2)=10 ", " connection speed " is larger here, represents to the time of corresponding destination longer, " connection speed " is larger, and path is longer.According to the connection speed of IP address, to resolving the path of a plurality of IP address obtaining, sort, obtain the IP address of shortest path.
By the embodiment of the present invention, by the route that dynamic routing protocol is detected, be applied to a plurality of IP address parsing, thereby avoided people, be that the configuration of carrying out routing table causes the complicated problem of easily makeing mistakes of dns server configuration.
Preferably, order module 501 can also comprise the second detection sub-module and the second sequence submodule.
The second detection sub-module is for detection of whether there being the record of a plurality of IP address in routing table.
After parsing obtains a plurality of IP address, the second detection sub-module can detect in routing table whether have the record of resolving a plurality of IP address obtaining, and wherein, has the path that reaches particular network terminal in routing table, in some cases, the tolerance that also has some and these path coherences.By search the record of IP address from routing table, can determine the path of user terminal and this corresponding application server in IP address.If can find the record of resolving a plurality of IP address obtaining from routing table, can determine according to the record in routing table the routing information of IP address.
The second sequence submodule, for when detecting routing table and have recording of a plurality of IP address, sorts a plurality of IP address in routing table according to the order from small to large of the connection speed in routing table.
If detect the record that has a plurality of IP address in routing table, the second sequence submodule can sort and (for example according to path, sort from small to large according to path length a plurality of IP address detecting from routing table, or, sort from big to small etc.), thus the IP address that (or last position) the IP address that makes number one is shortest path.Wherein, the path length of IP address can be determined by the connection speed of IP address.
Particularly, sorted according to the order from small to large of the connection speed in routing table in a plurality of IP address in routing table, because the path length of IP address can be determined by the connection speed of IP address, and connection speed is less, path is shorter, therefore to sorting according to connection speed order from small to large, that is, according to path, sort from small to large.Wherein, first IP address after sequence is the IP address of shortest path.
According to the embodiment of the present invention, by detect whether there is the record of resolving a plurality of IP address obtaining from routing table, have while resolving the recording of a plurality of IP address obtain detecting from routing table, directly to according to IP address, the connection speed in routing table sorts from small to large, avoided from again route being surveyed, reached further the effect of accelerating network access.
Certainly, when not having the recording of a plurality of IP address from detect routing table, can also based on dynamic routing protocol, detect by the first detection sub-module the connection speed of each IP address in a plurality of IP address, and the connection speed of the IP address detecting is updated in routing table, so that while again accessing, can directly detect the record of this IP address from routing table.
Memory module 503 is for a plurality of IP address after IP list memory sequencing.
After being sorted in a plurality of IP address, can a plurality of IP address after sequence be stored in IP list by memory module 503, make the length difference in the path of corresponding IP address, positions different in IP list, thereby can to resolving a plurality of IP address that obtain, transmit with the form of IP list.
Acquisition module 505 is for obtaining the IP address of shortest path a plurality of IP address from IP list.
After a plurality of IP address in IP list after memory sequencing, acquisition module 505 can be from IP list the shortest IP address of acquisition approach.For example sorted from small to large according to connection speed in a plurality of IP address, come the IP address that first the IP address in IP list is shortest path.
Preferably, access to netwoks processing unit also comprises memory cell, and this memory cell is used for after the described a plurality of IP address after IP list memory sequencing, storing IP list.
Particularly, after described a plurality of IP address in IP list after memory sequencing, can re-construct DNS response message according to a plurality of IP address after sequence, wherein, DNS response message can be the form that " key-value " is right, for example, <service.aaa.com, 1.1.1.2/1.1.1.1>.DNS response message after re-constructing is sent to user terminal, so that user terminal carries out access to netwoks by the IP list in DNS response message.Meanwhile, the DNS response message after re-constructing is written in DNS buffer memory and is stored, thereby complete the storage to IP list.So that user terminal while again accessing domain name website corresponding to IP address in this IP list, can directly call the DNS response message that includes IP list from DNS buffer memory.
Transmitting element 70 also, for when again receiving the request of domain name system queries, is sent to user terminal by the IP list of storage, wherein, and the IP address access application server of user terminal based in IP list.
When again receiving the request of domain name system queries, transmitting element 70 can directly be sent to user terminal by the IP list of storage, particularly, can be that the DNS response message that includes IP list is sent to user terminal.User terminal can be based in IP list IP address access application server.Again receive the request of domain name system queries and can be after access for the first time any once with identical for the first time domain name system inquiry request.
According to the embodiment of the present invention, by the IP list after sequence is stored, when again receiving the request of domain name system queries, can directly the IP list after storage be sent to user terminal, avoid need to again to the domain name of domain name system inquiry request, resolving when user accesses again, reached further the effect that improves access to netwoks speed.
Preferably, access to netwoks processing unit also comprises detecting unit, and this detecting unit is for after storing IP list, and whether change in the path of the IP address in the IP list based on dynamic routing protocol detection of stored.
After storing IP list, whether detecting unit can change in the path based on dynamic routing protocol IP address.Particularly, can be by whether having renewal, so that routing table and DNS buffer memory are upgraded based on his dypass of dynamic routing protocol.For example, certain period is found " connection speed (1.1.1.1) "=15, " connection speed (1.1.1.2)=30 ".Except needs upgrade routing table, also need to notify DNS buffer memory to carry out DNS buffer update, by the <service.aaa.com of buffer memory, 1.1.1.2/1.1.1.1> be updated to <service.aaa.com, 1.1.1.1/1.1.1.2>.
Order module 501 is also for when detecting the route diversion of IP address of IP list of storage, according to the path length of IP address after changing, a plurality of IP address re-started to sequence.
If detect the route diversion of the IP address in the IP list of storage, order module 501 can re-start sequence to a plurality of IP address in IP list according to the path length of IP address after changing, wherein, the mode of rearrangement can be the sortord of describing in the above embodiment of the present invention.After rearrangement, can be by the IP list update after rearrangement in routing table, and in DNS buffer memory, so that while again accessing, can directly the IP list after renewal be sent to user terminal.
Transmitting element 70, also for when again receiving the request of domain name system queries, is sent to user terminal by the IP list after rearrangement.
Again receive the request of domain name system queries and can be after access for the first time any once with identical for the first time domain name system inquiry request.When again receiving the request of domain name system queries, transmitting element 70 can be sent to user terminal by the IP list after rearrangement, thereby while making user again access the website of same domain name, the IP address of access is still the IP address of shortest path.
According to the embodiment of the present invention, whether the route diversion that detects IP address changes, when detecting the route diversion of IP address, sort to a plurality of IP address in path according to the IP address after upgrading, and when again receiving DNS inquiry request, IP list after rearrangement is sent to user terminal, makes user when repeatedly carrying out access to netwoks, access is all the application server of the IP address of shortest path each time.
Fig. 3 is according to the structural representation of a kind of preferred access to netwoks processing unit of the embodiment of the present invention.As shown in Figure 3, this access to netwoks processing unit can be realized its function by application acceleration device in figure, and in Fig. 3, dotted line frame partly represents application server.This application server mainly comprises four parts, is respectively DNS accelerating module, DNS buffer memory, routing table, dynamic routing module.Receiving element 10 in above-described embodiment, resolution unit 30 and transmitting element 70, and the function of the part of acquiring unit 50 can realize by DNS accelerating module, the first detection sub-module in acquiring unit 50 and the second detection sub-module, and detecting unit can be realized its function by dynamic routing module.The specific implementation process of function that realizes access to netwoks processing unit by application acceleration device is as follows:
Suppose that user terminal needs access application A(application server), its corresponding domain name is service.aaa.com.User terminal has been initiated the DNS inquiry request of service.aaa.com to dns server, and this inquiry request is through DNS accelerating module.DNS accelerating module, when receiving this DNS inquiry request, need to be carried out DNS cache lookup, now has two kinds of situations:
Situation one, is recording the record of service.aaa.com in DNS buffer memory, this record is directly returned to user terminal as DNS response message.Whole access to netwoks accelerator finishes.
Situation two, is not recording the record of service.aaa.com in DNS buffer memory, DNS inquiry request is let pass to dns server.
Dns server is received after DNS inquiry request, carries out dns resolution, and analysis result is returned with the form of DNS response message.Here, suppose that analysis result is two IP addresses of 1.1.1.1/1.1.1.2, wherein 1.1.1.1 is the optimal result that dns server is thought, is first-selected IP address.This dns resolution result is also passed through DNS accelerating module.
DNS accelerating module is received after DNS response message, carries out successively following operation:
The first step, DNS response message is resolved, and parses successively two IP addresses of 1.1.1.1 and 1.1.1.2, the corresponding application server 1 of 1.1.1.1 wherein, the corresponding application server 2 of 1.1.1.2.
Second step, DNS accelerating module is searched in routing table about the record of 1.1.1.1 and 1.1.1.2, if found, proceeds to the 4th step; Otherwise DNS accelerating module is notified dynamic routing module, search the connection speed of two IP addresses that are resolved in the first step.
The 3rd step, dynamic routing module, after receiving the service request of DNS accelerating module, carries out route exploration and selection, is mainly the connection speed of judgement 1.1.1.1 and 1.1.1.2.By dynamic routing module, the connection speed of IP address is calculated, result of calculation is updated in routing table.Here suppose " connection speed (1.1.1.1) "=20, " connection speed (1.1.1.2)=10 ".Here, " connection speed " is larger, represents to the time of corresponding destination longer.
The 4th step, DNS accelerating module, to the IP address being resolved in the first step, sorts from small to large according to the connection speed in routing table, and sequentially re-constructs DNS response message with this.In this example, the order of the IP address in the DNS response message after reconstruct will become 1.1.1.2/1.1.1.1.
The 5th step, the DNS response message re-constructing is sent to user terminal; Meanwhile, the content of this response message, is about to " key-value " to <service.aaa.com, and 1.1.1.2/1.1.1.1>, is written to DNS buffer memory.
The 6th step, if dynamic routing module detects the renewal of route, as certain period is found " connection speed (1.1.1.1) "=15, " connection speed (1.1.1.2)=30 ".Except needs upgrade routing table, also need to notify DNS buffer memory to carry out DNS buffer update, by the <service.aaa.com of buffer memory, 1.1.1.2/1.1.1.1> be updated to <service.aaa.com, 1.1.1.1/1.1.1.2>.
User terminal is after receiving that DNS replys, be 1.1.1.2/1.1.1.1 in this example, can carry out service access in first-selected first IP address, i.e. access application server 1.1.1.2, rather than the primary address 1.1.1.1 that returns of dns server, thereby reached the effect of application acceleration.
The embodiment of the present invention also provides a kind of access to netwoks processing method.The method operates in access to netwoks and processes.It should be noted that, the access to netwoks processing unit that the access to netwoks processing method of the embodiment of the present invention can provide by the embodiment of the present invention is carried out, the access to netwoks processing method that the access to netwoks processing unit of the embodiment of the present invention also can provide for carrying out the embodiment of the present invention.
Fig. 4 is according to the flow chart of the access to netwoks processing method of first embodiment of the invention.As shown in Figure 4, this access to netwoks processing method comprises that step is as follows:
Step S402, receives the request of domain name system queries.
When user is when the user terminal access network, need input to need the domain name of the website of access, service.aaa.com for example, the application server that can access this website.First user sends domain name system inquiry request (DNS inquiry request) by user terminal to domain name system server (dns server), and DNS inquiry request is for carrying out DNS inquiry by dns server to domain name.Receiving element receives DNS inquiry request, so that the inquiry request of relative users.
Step S404, resolves the domain name of domain name system inquiry request by domain name system server, obtains a plurality of IP address.
After receiving DNS inquiry request, can first detect the record that whether has the domain name of domain name system queries request in DNS buffer memory, carry out DNS cache lookup, from buffer memory, search the record of this domain name.If there is the record of the domain name of this domain name system inquiry request in DNS buffer memory, in DNS buffer memory, there be IP address corresponding to this domain name, IP address corresponding to the domain name of storing in DNS buffer memory can be sent to user terminal, user terminal can be accessed corresponding application server based on this IP address.If there is not the record of the domain name of this domain name system inquiry request in DNS buffer memory, DNS inquiry request is sent to dns server, resolution unit is resolved the domain name of domain name system inquiry request by domain name system server, certainly, after receiving DNS inquiry request, also can directly by domain name system server, to the domain name of domain name system inquiry request, resolve, thereby obtain a plurality of IP address.
Particularly, can be by dns server, domain name to be resolved, obtain a plurality of IP address, and generate corresponding IP list.After generating IP list, dns server returns to the IP list of generation the access to netwoks processing unit of the embodiment of the present invention with the form of response message, resolution unit can be by obtaining the response message of dns server, and this response message is resolved, obtain the identical a plurality of IP address being resolved to dns server.For example resolve in the IP list obtaining and include two IP addresses of 1.1.1.1/1.1.1.2, wherein, 1.1.1.1 is the optimal result that dns server is thought.
Step S406, the IP address that obtains shortest path in a plurality of IP address.
In parsing, obtain a plurality of IP address, acquiring unit can obtain the IP address of shortest path in a plurality of IP address, the IP address of the shortest path that the IP address of shortest path is user terminal access, that is, and the shortest path of the application server that this IP address of user terminal access is corresponding.
Particularly, the IP address that obtains shortest path in a plurality of IP address can be first from routing table, to search the record of resolving a plurality of IP address obtaining, and wherein, has the path that reaches particular network terminal in routing table, in some cases, the tolerance that also has some and these path coherences.By search the record of IP address from routing table, can determine the path of user terminal and this corresponding application server in IP address.If can find the record of resolving a plurality of IP address obtaining from routing table, can determine according to the record in routing table the routing information of IP address.Thereby sorted (for example sort from small to large according to path, or, sort from big to small etc.) according to path length in a plurality of IP address, thereby the IP address that (or last position) the IP address that makes number one is shortest path.
In addition, if do not find the record of a plurality of IP address parsing from routing table, can to IP address, carry out route exploration and selection based on dynamic routing protocol.Wherein IP address being surveyed, can be the connection speed that detects each IP address, judges the length in the path of IP address by the connection speed of IP address.For example, suppose " connection speed (1.1.1.1) "=20, " connection speed (1.1.1.2)=10 ", " connection speed " is larger here, and expression is longer to the time of corresponding destination, and " connection speed " is larger, and path is longer.According to the connection speed of IP address, to resolving the path of a plurality of IP address obtaining, sort, obtain the IP address of shortest path.
Step S408, is sent to user terminal by the IP address of shortest path, wherein, and the IP address access application server of user terminal based on shortest path.
After getting the IP address of shortest path, transmitting element can send to user terminal by the IP address of this shortest path, and user terminal can be accessed application server corresponding to this IP address in the IP address based on shortest path.
Particularly, transmitting element can be that the IP list that includes the IP address of shortest path is sent to user terminal with the form of DNS response message, and wherein, the IP address of shortest path can be the primary IP address coming in IP list.During the IP list accesses network of user terminal based in DNS response message, can carry out access to netwoks in first-selected first IP address.Certainly, when if user terminal cannot carry out access to netwoks based on first IP address, can automatically choose second IP address conducts interviews, because second IP address is for remaining IP address, its shortest path, thereby while guaranteeing that user terminal goes wrong in IP address, also can the IP address based on not going wrong in the IP address of shortest path carry out access to netwoks.
According to the embodiment of the present invention, by after receiving domain name system inquiry request, domain name to domain name system inquiry request is resolved, obtain a plurality of IP address, and then obtain the IP address of resolving shortest path in a plurality of IP address obtain, wherein, the IP address of shortest path is the IP address that user terminal arrives the application server shortest path of domain name, the IP address of this shortest path is sent to user terminal, user terminal can conduct interviews based on this IP address, thereby make the shortest path of user terminal access, solved the slow-footed problem of user terminal access network, reached the access speed of accelerating application server.
Fig. 5 is according to the flow chart of the access to netwoks processing method of second embodiment of the invention.The access to netwoks processing method of this embodiment can be a kind of preferred implementation of the access to netwoks processing method of above-described embodiment.As shown in Figure 5, this access to netwoks processing method comprises that step is as follows:
Step S502 is identical with step S404 with the step S402 shown in Fig. 4 with step S504, does not repeat here.
Step S506, sorts to a plurality of IP address according to path length based on dynamic routing protocol.
After parsing obtains a plurality of IP address, order module sorts to a plurality of IP address according to path length based on dynamic routing protocol, wherein, dynamic routing protocol is comprised of one group of relevant agreement, its objective is in order to set up a route autonomous system in certain area, in this autonomous system, routing table does not need artificial configuration, but uses relevant route learning algorithm automatic learning.
Particularly, can carry out route exploration and selection based on dynamic routing protocol, also can be from routing table, to search the record of resolving a plurality of IP address obtaining, then the length in the path of the IP address according to route exploration and after selecting, or the path length of the IP address finding in routing table sorts to a plurality of IP address.
Preferably, step S506 can comprise: based on dynamic routing protocol, detect the connection speed of each IP address in a plurality of IP address, wherein, the connection speed of IP address is determined by the path length of IP address; And sorted according to the connection speed of a plurality of IP address detecting in a plurality of IP address.
Particularly, the first detection sub-module can be by route exploration and selection being carried out in each IP address in a plurality of IP address based on dynamic routing protocol, by calculating the connection speed of each IP address, because the path length of IP address can be determined by the connection speed of IP address, the connection speed that therefore calculates each IP address can obtain each and determine the path of a plurality of IP address is compared.Wherein, after calculating the connection speed of IP address, the connection speed of IP address can be updated in routing table, thereby while being convenient to again access this IP address, can from routing table, directly search this record.
In detection, obtain the connection speed of a plurality of IP address, the first sequence submodule can sort to the connection speed of a plurality of IP address, for example, suppose " connection speed (1.1.1.1) "=20, " connection speed (1.1.1.2)=10 ", " connection speed " is larger here, represents to the time of corresponding destination longer, " connection speed " is larger, and path is longer.According to the connection speed of IP address, to resolving the path of a plurality of IP address obtaining, sort, obtain the IP address of shortest path.
By the embodiment of the present invention, by the route that dynamic routing protocol is detected, be applied to a plurality of IP address parsing, thereby avoided people, be that the configuration of carrying out routing table causes the complicated problem of easily makeing mistakes of dns server configuration.
Preferably, step S506 can comprise: detect the record that whether has a plurality of IP address in routing table; And while having the recording of a plurality of IP address in detecting routing table, sorted according to the order from small to large of the connection speed in routing table in a plurality of IP address in routing table.
After parsing obtains a plurality of IP address, the second detection sub-module can detect in routing table whether have the record of resolving a plurality of IP address obtaining, and wherein, has the path that reaches particular network terminal in routing table, in some cases, the tolerance that also has some and these path coherences.By search the record of IP address from routing table, can determine the path of user terminal and this corresponding application server in IP address.If can find the record of resolving a plurality of IP address obtaining from routing table, can determine according to the record in routing table the routing information of IP address.
If detect the record that has a plurality of IP address in routing table, the second sequence submodule can sort and (for example according to path, sort from small to large according to path length a plurality of IP address detecting from routing table, or, sort from big to small etc.), thus the IP address that (or last position) the IP address that makes number one is shortest path.Wherein, the path length of IP address can be determined by the connection speed of IP address.
Particularly, sorted according to the order from small to large of the connection speed in routing table in a plurality of IP address in routing table, because the path length of IP address can be determined by the connection speed of IP address, and connection speed is less, path is shorter, therefore to sorting according to connection speed order from small to large, that is, according to path, sort from small to large.Wherein, first IP address after sequence is the IP address of shortest path.
According to the embodiment of the present invention, by detect whether there is the record of resolving a plurality of IP address obtaining from routing table, have while resolving the recording of a plurality of IP address obtain detecting from routing table, directly to according to IP address, the connection speed in routing table sorts from small to large, avoided from again route being surveyed, reached further the effect of accelerating network access.
Certainly, when not having the recording of a plurality of IP address from detect routing table, can also based on dynamic routing protocol, detect by the first detection sub-module the connection speed of each IP address in a plurality of IP address, and the connection speed of the IP address detecting is updated in routing table, so that while again accessing, can directly detect the record of this IP address from routing table.
Step S508, a plurality of IP address in IP list after memory sequencing.
After being sorted in a plurality of IP address, can a plurality of IP address after sequence be stored in IP list by memory module, make the length difference in the path of corresponding IP address, positions different in IP list, thereby can to resolving a plurality of IP address that obtain, transmit with the form of IP list.
Step S510, the IP address that obtains shortest path in a plurality of IP address from IP list.
After a plurality of IP address in IP list after memory sequencing, acquisition module can be from IP list the shortest IP address of acquisition approach.For example sorted from small to large according to connection speed in a plurality of IP address, come the IP address that first the IP address in IP list is shortest path.
Step S512 is identical with the step S408 shown in Fig. 4, does not repeat here.
Preferably, after step S508, access to netwoks processing method is further comprising the steps of:
Step 1, storing IP list.
Particularly, after described a plurality of IP address in IP list after memory sequencing, can re-construct DNS response message according to a plurality of IP address after sequence, wherein, DNS response message can be the form that " key-value " is right, for example, <service.aaa.com, 1.1.1.2/1.1.1.1>.DNS response message after re-constructing is sent to user terminal, so that user terminal carries out access to netwoks by the IP list in DNS response message.Meanwhile, the DNS response message after re-constructing is written in DNS buffer memory and is stored, thereby complete the storage to IP list.So that user terminal while again accessing domain name website corresponding to IP address in this IP list, can directly call the DNS response message that includes IP list from DNS buffer memory.
Step 2, when again receiving the request of domain name system queries, is sent to user terminal by the IP list of storage, wherein, and the IP address access application server of user terminal based in IP list.
When again receiving the request of domain name system queries, transmitting element can directly be sent to user terminal by the IP list of storage, particularly, can be that the DNS response message that includes IP list is sent to user terminal.User terminal can be based in IP list IP address access application server.Again receive the request of domain name system queries and can be after access for the first time any once with identical for the first time domain name system inquiry request.
According to the embodiment of the present invention, by the IP list after sequence is stored, when again receiving the request of domain name system queries, can directly the IP list after storage be sent to user terminal, avoid need to again to the domain name of domain name system inquiry request, resolving when user accesses again, reached further the effect that improves access to netwoks speed.
Preferably, after step 1, access to netwoks processing method can also comprise the following steps: whether change in the path of the IP address in the IP list based on dynamic routing protocol detection of stored; And during the route diversion of the IP address in the IP list that detects storage, according to the path length of IP address after changing, a plurality of IP address is re-started to sequence, wherein, when again receiving the request of domain name system queries, the IP list after rearrangement is sent to user terminal.
After storing IP list, whether detecting unit can change in the path based on dynamic routing protocol IP address.Particularly, can be by whether having renewal, so that routing table and DNS buffer memory are upgraded based on his dypass of dynamic routing protocol.For example, certain period is found " connection speed (1.1.1.1) "=15, " connection speed (1.1.1.2)=30 ".Except needs upgrade routing table, also need to notify DNS buffer memory to carry out DNS buffer update, by the <service.aaa.com of buffer memory, 1.1.1.2/1.1.1.1> be updated to <service.aaa.com, 1.1.1.1/1.1.1.2>.
If detect the route diversion of the IP address in the IP list of storage, order module can re-start sequence to a plurality of IP address in IP list according to the path length of IP address after changing, wherein, the mode of rearrangement can be the sortord of describing in the above embodiment of the present invention.After rearrangement, can be by the IP list update after rearrangement in routing table, and in DNS buffer memory, so that while again accessing, can directly the IP list after renewal be sent to user terminal.
Again receive the request of domain name system queries and can be after access for the first time any once with identical for the first time domain name system inquiry request.When again receiving the request of domain name system queries, transmitting element can be sent to user terminal by the IP list after rearrangement, thereby while making user again access the website of same domain name, the IP address of access is still the IP address of shortest path.
According to the embodiment of the present invention, whether the route diversion that detects IP address changes, when detecting the route diversion of IP address, sort to a plurality of IP address in path according to the IP address after upgrading, and when again receiving DNS inquiry request, IP list after rearrangement is sent to user terminal, makes user when repeatedly carrying out access to netwoks, access is all the application server of the IP address of shortest path each time.
It should be noted that, in the step shown in the flow chart of accompanying drawing, can in the computer system such as one group of computer executable instructions, carry out, and, although there is shown logical order in flow process, but in some cases, can carry out shown or described step with the order being different from herein.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. an access to netwoks processing method, is characterized in that, comprising:
Receive the request of domain name system queries;
By domain name system server, the domain name of domain name system queries request is resolved, obtain a plurality of IP address;
Obtain the IP address of shortest path in described a plurality of IP address; And
The IP address of described shortest path is sent to user terminal, wherein, the described IP address access application server of described user terminal based on described shortest path.
2. access to netwoks processing method according to claim 1, is characterized in that, the IP address that obtains shortest path in described a plurality of IP address comprises:
Based on dynamic routing protocol, according to path length, sorted in described a plurality of IP address;
Described a plurality of IP address in IP list after memory sequencing; And
From described IP list, obtain the IP address of shortest path in described a plurality of IP address.
3. access to netwoks processing method according to claim 2, is characterized in that, based on dynamic routing protocol, according to path length, is sorted and is comprised in described a plurality of IP address:
Based on described dynamic routing protocol, detect the connection speed of each IP address in described a plurality of IP address, wherein, the path length of described IP address is determined by the connection speed of described IP address; And
Sorted according to the connection speed of the described a plurality of IP address detecting in described a plurality of IP address.
4. access to netwoks processing method according to claim 2, is characterized in that, based on dynamic routing protocol, according to path length, is sorted and is comprised in described a plurality of IP address:
Detect the record that whether has described a plurality of IP address in routing table; And
While having the recording of described a plurality of IP address in detecting described routing table, sorted according to the order from small to large of the connection speed in described routing table in the described a plurality of IP address in described routing table.
5. access to netwoks processing method according to claim 2, is characterized in that in IP list, after the described a plurality of IP address after memory sequencing, described access to netwoks processing method also comprises:
Store described IP list; And
When again receiving the request of domain name system queries, the described IP list of storage is sent to described user terminal, wherein, described application server is accessed in the IP address of described user terminal based in described IP list.
6. access to netwoks processing method according to claim 5, is characterized in that, after the described IP list of storage, described access to netwoks processing method also comprises:
Whether change in the path of the IP address in the described IP list based on described dynamic routing protocol detection of stored;
And
During the route diversion of the IP address in the described IP list that detects storage, according to the path length of described IP address after changing, described a plurality of IP address is re-started to sequence,
Wherein, when again receiving the request of domain name system queries, the described IP list after rearrangement is sent to described user terminal.
7. an access to netwoks processing unit, is characterized in that, comprising:
Receiving element, for receiving the request of domain name system queries;
Resolution unit, for the domain name of domain name system queries request being resolved by domain name system server, obtains a plurality of IP address;
Acquiring unit, for obtaining the IP address of described a plurality of IP address shortest path; And
Transmitting element, for the IP address of described shortest path is sent to user terminal, wherein, the described IP address access application server of described user terminal based on described shortest path.
8. access to netwoks processing unit according to claim 7, is characterized in that, described acquiring unit comprises:
Order module, for sorting to described a plurality of IP address according to path length based on dynamic routing protocol;
Memory module, for the described a plurality of IP address after IP list memory sequencing; And
Acquisition module, for obtaining the IP address of shortest path described a plurality of IP address from described IP list.
9. access to netwoks processing unit according to claim 8, is characterized in that, described order module comprises:
The first detection sub-module, for detect the connection speed of each IP address, described a plurality of IP address based on described dynamic routing protocol, wherein, the path length of described IP address is determined by the connection speed of described IP address; And
The first sequence submodule, for sorting described a plurality of IP address according to the connection speed of the described a plurality of IP address detecting.
10. access to netwoks processing unit according to claim 8, is characterized in that, described order module comprises:
The second detection sub-module, for detection of the record that whether has described a plurality of IP address in routing table; And
The second sequence submodule, for when detecting described routing table and have recording of described a plurality of IP address, sorts the described a plurality of IP address in described routing table according to the order from small to large of the connection speed in described routing table.
11. access to netwoks processing unit according to claim 8, is characterized in that, described access to netwoks processing unit also comprises:
Memory cell, after the described a plurality of IP address after IP list memory sequencing, stores described IP list,
Wherein, described transmitting element, also for when again receiving the request of domain name system queries, is sent to described user terminal by the described IP list of storage, and wherein, described application server is accessed in the IP address of described user terminal based in described IP list.
12. access to netwoks processing unit according to claim 11, is characterized in that, described access to netwoks processing unit also comprises:
Detecting unit, for after the described IP list of storage, whether change in the path of the IP address in the described IP list based on described dynamic routing protocol detection of stored,
Wherein, described order module is also for when detecting the route diversion of IP address of described IP list of storage, according to the path length of described IP address after changing, described a plurality of IP address re-started to sequence,
Described transmitting element, also for when again receiving the request of domain name system queries, is sent to described user terminal by the described IP list after rearrangement.
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| CN114666303A (en) * | 2022-03-18 | 2022-06-24 | 唯品会(广州)软件有限公司 | DNS (Domain name System) scheduling method and device and computer equipment |
| CN114666303B (en) * | 2022-03-18 | 2024-01-30 | 唯品会(广州)软件有限公司 | DNS scheduling method and device and computer equipment |
| CN117097698A (en) * | 2023-08-29 | 2023-11-21 | 江南信安（北京）科技有限公司 | Network acceleration method and device based on DNS protocol, storage medium and electronic equipment |
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