CN106921699A - A kind of Network Access Method, device and system - Google Patents
A kind of Network Access Method, device and system Download PDFInfo
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- CN106921699A CN106921699A CN201510993993.1A CN201510993993A CN106921699A CN 106921699 A CN106921699 A CN 106921699A CN 201510993993 A CN201510993993 A CN 201510993993A CN 106921699 A CN106921699 A CN 106921699A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- Computer Networks & Wireless Communication (AREA)
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Abstract
Embodiments of the present invention provide a kind of Network Access Method, device and system.The method includes：When receiving the web access requests that client sends, the IP address corresponding to domain name in searching web access requests in the DNS database for localling create；The IP address corresponding to domain name in web access requests, determines destination server；According to the time for receiving web access requests and/or the positional information of client, in corresponding each proxy server of destination server is defined as optimal proxy server；Web access requests are sent to optimal proxy server, so that the web page resources of destination server are sent to client by optimal proxy server.The present invention saves the resource consumption and network traffics of dns server by localling create DNS database, and web page resources are provided by selecting optimal proxy server, is remarkably improved the speed for obtaining info web, improves the online experience of user.
Description
Technical field
Embodiments of the present invention are related to Internet technical field, more specifically, embodiments of the present invention are related to a kind of network
Access method, device and system.
Background technology
This part is it is intended that the embodiments of the present invention stated in claims provide background or context.Description herein
Not because just recognizing it is prior art in being included in this part.
At present, the outgoing access data speed between different Virtual network operators is very low, accesses the speed of external website especially
Lowly.Therefore, proxy server (Proxy Server) is set up over the backbone for user's outgoing access is a kind of raising user's body
Test most effective way.
In general, when user accesses website, web browser directly goes linking objective server to obtain web page resources,
Network node transmissions residing for data from user are to backbone network, then are transferred to destination server, and the return of data is carried out
Same operation, continuous data of forwarding, hop count is more, and there is the delay of route centre, will result in transmission time
Extension.
Proxy server is another server between client and destination server, and browser is not directly to contact mesh
Mark server, but request is sent to proxy server, data can first be sent to proxy server, be fetched by proxy server
Information required for browser simultaneously sends browser to.Proxy server is equivalent to transmitting number between client and destination server
According to terminal.
All there is the function of buffering due to most of proxy server, just look like a big caching, constantly by the new net for obtaining
Page resource is stored on the memory of the machine, if the web page resources that browser is asked have existed on the memory of the machine
And be newest, then it is not just obtained from destination server again, but directly by the web page resources transmission on memory
To the browser of user, surfing and efficiency can be thus significantly improved.
The complexity of Network Environment, separate unit proxy server cannot meet the network being continually changing, then generate generation
Reason server cluster, user's request can obtain web page resources by any one proxy server.
The content of the invention
But, problems of the prior art are when user accesses same destination server, to use proxy server collection
Different proxy servers is conducted interviews in group, and response speed is simultaneously differed, it is impossible to know the response speed of which platform proxy server
Spend faster, it is thus impossible to obtain optimal response speed.
Additionally, the web access requests that client is initiated are usually that user is sent by network browsing device, generally only include
Domain name, but want to determine the corresponding destination server of the web access requests, in addition it is also necessary to by DNS
The parsing of (Domain Name System, domain name analysis system) server obtains the IP address of destination server.However,
Frequent and substantial amounts of web access requests, can cause repeatedly to initiate identical domain name mapping request to dns server, take
The resolving resource of dns server, and network traffics consumption, it is often more important that had a strong impact on obtain info web speed
Degree.
In order to overcome problem above, this application provides a kind of Network Access Method, device and system, to improve access network
Response speed.
In the first aspect of embodiment of the present invention, there is provided a kind of Network Access Method, including：
When receiving the web access requests that client sends, the web page access is searched in the DNS database for localling create please
The IP address corresponding to domain name asked；
The IP address corresponding to domain name in the web access requests, determines destination server；
According to the time for receiving the web access requests and/or the positional information of the client, by the destination server
One in corresponding each proxy server is defined as optimal proxy server；
The web access requests are sent to the optimal proxy server, so that the optimal proxy server is by the mesh
The web page resources for marking server are sent to the client.
In the second aspect of embodiment of the present invention, there is provided a kind of network access device, including：
Receiver module, is arranged to receive the web access requests that client sends；
DNS database, is arranged to store domain name and its corresponding IP address；
IP address finds module, and the domain name institute for being arranged to be searched in the DNS database in the web access requests is right
The IP address answered；
Destination server determining module, is arranged to the IP address corresponding to the domain name in the web access requests, really
Set the goal server；
Optimal proxy server determining module, is arranged to basis and receives the time of the web access requests and/or the visitor
The positional information at family end, optimal agency service is defined as by corresponding each proxy server of the destination server
Device；
Sending module, is arranged to for the web access requests to be sent to the optimal proxy server, so that described optimal
The web page resources of the destination server are sent to the client by proxy server.
In the second aspect of embodiment of the present invention, there is provided a kind of network access system, including：Network as described above
Access mechanism, destination server, and corresponding one or more proxy servers of the destination server.
The present invention creates DNS database by local one, and the domain name and its IP address for obtaining are inquired about in storage from dns server,
Only need to be the IP address that can determine that destination server by local DNS database when web access requests are received, can be big
It is big to reduce the number of times that domain name analysis request is initiated to dns server, the resource consumption and network traffics of dns server are saved,
And improve the speed for obtaining info web.In addition, the present invention is according to time and/or the client for receiving web access requests
Positional information, Response to selection is fastest in the corresponding server proxy cluster of destination server one is used as optimal generation
Then web access requests are transmitted to the optimal proxy server by reason server, finally by the optimal proxy server by mesh
The web page resources for marking server are sent to the client, and treatment is remarkably improved the speed for obtaining info web more than,
Improve the online experience of user.
Brief description of the drawings
Detailed description below, the above-mentioned and other purposes of exemplary embodiment of the invention, spy are read by reference to accompanying drawing
Advantage of seeking peace will become prone to understand.In the accompanying drawings, some realities of the invention are shown by way of example, and not by way of limitation
Mode is applied, wherein：
Fig. 1 is application scenarios schematic diagram of the invention；
Fig. 2 is the schematic flow sheet of the Network Access Method that the present invention is provided；
Fig. 3 is a kind of method schematic diagram of determination optimal service device that the present invention is provided；
Fig. 4 is another method schematic diagram for determining optimal service device that the present invention is provided；
Fig. 5 is the method schematic diagram of another determination optimal service device that the present invention is provided；
Fig. 6 is the block diagram of the network access device that the present invention is provided；
In the accompanying drawings, identical or corresponding label represents identical or corresponding part.
Specific embodiment
Principle of the invention and spirit are described below with reference to some illustrative embodiments.It should be appreciated that providing these realities
Mode is applied just for the sake of better understood when those skilled in the art and then realize the present invention, and not by any way
Limitation the scope of the present invention.Conversely, these embodiments are provided so that the disclosure is more thorough and complete, and can
The scope of the present disclosure is intactly conveyed into those skilled in the art.
Art technology technical staff knows that embodiments of the present invention can be implemented as a kind of system, device, equipment, side
Method or computer program product.Therefore, the disclosure can be implemented as following form, i.e.,：It is complete hardware, complete
Software (including firmware, resident software, microcode etc.), or the form that hardware and software is combined.
According to the embodiment of the present invention, it is proposed that a kind of Network Access Method, device and system.
Herein, any number of elements in accompanying drawing is used to example and unrestricted, and any name is only used for distinguishing,
Without any limitation.
Below with reference to some representative embodiments of the invention, principle of the invention and spirit are explained in detail.
Summary of the invention
The inventors discovered that, problems of the prior art are when user accesses same destination server, to use agency
Different proxy servers is conducted interviews in server cluster, and response speed is simultaneously differed, it is impossible to know which platform proxy server
Response speed faster, it is thus impossible to obtain optimal response speed.
Additionally, the web access requests that client is initiated are usually that user is sent by network browsing device, generally only include
Domain name, but want to determine the corresponding destination server of the web access requests, in addition it is also necessary to by DNS
The parsing of (Domain Name System, domain name analysis system) server obtains the IP address of destination server.However,
Frequent and substantial amounts of web access requests, can cause repeatedly to initiate identical domain name mapping request to dns server, take
The resolving resource of dns server, and network traffics consumption, it is often more important that had a strong impact on obtain info web speed
Degree.
Problem above all leverages network access speed, and in order to solve the above problems, one aspect of the present invention is by local
One creates DNS database, storage from dns server the inquiry domain name and its IP address that obtain, when receiving web access requests
When, only need to be the IP address that can determine that destination server by local DNS database, can greatly reduce to dns server
The number of times of domain name analysis request is initiated, the resource consumption and network traffics of dns server is saved, and improves acquisition webpage letter
The speed of breath.
On the other hand, the present invention takes according to the time of web access requests and/or the positional information of client is received in target
Response to selection is fastest in the business corresponding server proxy cluster of device one as optimal proxy server, then by webpage
Access request is transmitted to the optimal proxy server, is finally sent out the web page resources of destination server by the optimal proxy server
The client is given, treatment is remarkably improved the speed for obtaining info web more than, improves the online experience of user.
After general principle of the invention is described, lower mask body introduces various non-limiting embodiments of the invention.
Application scenarios overview
Fig. 1 is application scenarios of the invention, including client 100, network access device 200, proxy server 300, target
Server 400.Wherein, client 100 can be desktop computer or portable intelligent device；Network access device 200 can
It is the private server or personal computer or portable intelligent device for performing the Network Access Method that the present invention is provided；Target takes
Business device 400 has corresponding relation with proxy server 300, and a destination server 400 may correspond to one or more agency's clothes
Business device 300, the different proxy servers 300 corresponding to same destination server 400 may be according to belonging network, institute possession
Domain etc. is arranged in different geographical position；Destination server 400 is the true terminal of offer web page resources, proxy server 300
From its cache web pages resource of corresponding destination server 400 and client 100 can be supplied to.
Portable intelligent device alleged by the present invention be not limited to mobile phone, personal digital aid (PDA) (PDA,
Personal Digital Assistant), handheld computer (Pocket PC), panel computer etc..These portable intelligents
Operating system is fitted with equipment, including but not limited to：Android operation system, Symbian operating systems,
Windows mobile operating systems and apple iPhone OS operating systems etc..
In the application scenarios of Fig. 1, domain name or touch that client 100 can be input into according to user in network information browsing apparatus
Web page interlinkage of access operation or click of hair etc., sends a web access requests, is contained in the web access requests corresponding
Domain name.Network access device 200 receives the web access requests, and the domain name is then inquired about in local DNS database
Corresponding IP address, so that it is determined that destination server 400.Network access device 200 is according to receiving the web access requests
Time and/or the positional information of client 100, by one in corresponding each proxy server 300 of the destination server 400
It is defined as optimal proxy server 300.The web access requests are sent to the optimal proxy server by network access device 200
300.The web page resources of the destination server 400 are sent to the client 100 by the optimal proxy server 300, wherein, should
Web page resources can be cached in the local resource of the optimal proxy server 300, or in real time from destination server 400
The resource of acquisition.
Illustrative methods
With reference to the application scenarios of Fig. 1, the Network Access Method of present invention offer is described with reference to Figure 2.It should be noted that
Above-mentioned application scenarios are for only for ease of and understand spirit and principles of the present invention and show, embodiments of the present invention are in this regard
It is unrestricted.Conversely, embodiments of the present invention can apply to applicable any scene.
Step S21, when receiving the web access requests that client 100 sends, net is searched in the DNS database for localling create
The IP address corresponding to domain name in access to web page request.
The local network access device 200 for referring to perform the Network Access Method in the step, i.e. visited the network is performed
DNS database is created in the network access device 200 for asking method, to preserve the corresponding relation of domain name and IP address, these domain names
With IP address obtained by dns server, for the domain name in web access requests, first in the DNS database
Its corresponding IP address is inquired about, if can find, directly destination server 400 is determined using the IP address for finding so that
Domain name mapping task can be locally completed, without domain name analysis request must be sent to DNS database.
Using the DNS database for localling create, can substantially reduce and initiate the secondary of inquiry request to the dns server on network
Number, saves the resource consumption of dns server, is the saving network flow of client 100, it is often more important that due to locally looking into
Asking the speed of IP address will be significantly faster than the speed that IP address is inquired about by dns server, therefore can greatly improve webpage letter
Cease the speed for obtaining.
In order to enrich the information content of the DNS database for localling create, alternatively, if not having in the DNS database for localling create
The IP address corresponding to domain name in web access requests is then right from the domain name institute in dns server query webpage access request
The IP address answered, and the domain name in web access requests and its corresponding IP address are stored in the DNS database for localling create.
Situations such as there is failure, expired, change in view of domain name in network and its IP address, in order to ensure the DNS for localling create
The reliability of database, alternatively, is being stored in what is locallyd create by the domain name in web access requests and its corresponding IP address
Before in DNS database, also include：The corresponding IP address of each domain name in the DNS database that locallys create is carried out time
Go through, judge that whether effectively the corresponding IP address of each domain name, if invalid, deletes the domain name and its corresponding IP address.
By this treatment, invalid, expired domain name and its IP address data can be in time rejected and left out, retain effective domain
Name and its IP address corresponding relation, reducing locally is carrying out the error rate of IP address inquiry, further improves to target web
Access speed.
It is alternatively possible to judge whether the corresponding IP address of each domain name is effective as follows：For each domain name, really
Whether the fixed domain name is stored in the time of the DNS database for localling create and the time difference of current time, judge the time difference beyond the domain
Name corresponding one presets life cycle, if it was exceeded, the corresponding IP address of the domain name is judged for invalid, if without departing from,
Then judge that the corresponding IP address of the domain name is effective.For the life cycle that each domain name and its IP address are set is usually according to warp
Test value and come default, such as the usual domain name/IP address correspondence time-to-live is 1 day to 7 days, if the domain name pair of large-scale website
The IP address answered, its time-to-live can lengthen significantly.
Step S22, the IP address corresponding to domain name in web access requests, determines destination server 400.
Because each equipment is owned by unique IP address in internet, therefore destination server 400 can be determined therefrom that.
Step S23, according to the positional information of the time and/or client 100 for receiving the web access requests, by destination service
One in corresponding each proxy server 300 of device 400 is defined as optimal proxy server 300.
The web access requests are sent to optimal proxy server 300 by step S24, so that optimal proxy server 300 will
The web page resources of destination server 400 are sent to client 100.
The present invention is according to the time of web access requests and/or the positional information of client 100 is received, from destination server
Response to selection is fastest in 400 corresponding each proxy server 300 one as optimal proxy server 300, by this
Individual optimal proxy server 300 is that client 100 provides web page resources.
In one embodiment, step S23 can determine optimal agency service according only to the time for receiving web access requests
Device 300, specifically includes step S31~step S33 as shown in Figure 3.
Step S31, to the proxy log of corresponding each proxy server 300 of destination server 400 in the predetermined period of past one
Counted.
Because proxy server 300 is all recorded in proxy log to the access situation of destination server 400, therefore the step can
The proxy log (for example pass by 7 days or 15 days) in a predetermined period in the past is extracted on each proxy server 300 first,
Then to extract proxy log parse, can obtain when time access relevant information, including destination server 400 I
The response time of P address and destination server 400.In concrete implementation, the information for parsing can also include client
100 IP address, access time, reference address URL and/or responsive state.
Step S32, it is determined that corresponding with the time for the receiving web access requests time period in the predetermined period accesses looking over so as to check
Mark all proxy servers 300 of server 400.
The step need to determine to receive the time (such as 15 of the web access requests first:20) time period belonging to is (for example
15:00~17:00), then determined in past predetermined period (for example pass by 7 days or 15 days) according to the proxy log for extracting
The time period in (such as 15:00~17:00) all proxy servers 300 of destination server 400 were accessed.
During specific implementation, some time can be divided into by 24 hours one day in advance, for example, can be divided according to following table, then
It is determined that currently receiving the time period belonging to time of the web access requests.
Table 1
| 0:00~2:00 |
| 3:00~5:00 |
| 6:00~8:00 |
| 9:00~11:00 |
| 12:00~14:00 |
| 15:00~17:00 |
| 18:00~20:00 |
| 21:00~24:00 |
Step S33, the most fast proxy server 300 of access speed determines in all proxy servers 300 that step S32 is determined
It is optimal proxy server 300.
The step is needed in all proxy servers 300 that comparison step S322 first determines, accesses the destination server 400
Response time, wherein response time most short proxy server 300 is defined as optimal proxy server 300.
Step S31~step S33 is that the data transmission bauds between proxy server 300 and destination server 400 considers, choosing
Take the most fast proxy server 300 of a response speed.According to the agency within the past period day of proxy server 300
Will, for the time period for receiving the web access requests, determines the fastest proxy server of access target server 400
300 used as optimal proxy server 300.The historical proxy situation of each proxy server 300 is reflected due to proxy log,
Therefore the optimal proxy server 300 selected is the most fast agency's clothes of response speed in the time period for receive the web access requests
The probability of business device 300 can be very high, so as to improve the webpage access speed of user.
In another embodiment, step S23 can determine optimal proxy server according only to the positional information of client 100
300, specifically include step S41~step S43 as shown in Figure 4.
Step S41, determines the positional information of corresponding each proxy server 300 of destination server 400.
During specific implementation, the positional information being related in this step can be geographical location information or network location information.
Step S42, the positional information of client 100 is matched with the positional information of each proxy server 300.
Alternatively, if geographical location information, then the step can as follows judge whether matching：Respectively will be each
Compare with the geographical position of client 100 in the geographical position of individual proxy server 300；If the geography of proxy server 300
Position coincides with the geographical position of client 100, or, apart from the geographical position of client 100 in a preset range, then
It is defined as matching.
Step S43, optimal proxy server 300 is defined as by the proxy server 300 that the match is successful.
It is possible to more than 1 in view of the quantity of proxy server 300 that the match is successful, alternatively, in this case, will wherein
The proxy server 300 nearest apart from the geographical position of client 100 is defined as optimal proxy server 300.
Step S41~step S43 is that the data transmission bauds between client 100 and proxy server 300 considers, chooses one
The most fast proxy server 300 of response speed.According to the positional information of proxy server 300, selected distance client 100 is most
Near proxy server 300, to shorten the distance of data transfer, saves data transmission period, so as to improve acquisition webpage
The speed of information.
In another embodiment, step S23 can both according to receiving time of the web access requests, and according to client
Hold 100 positional information to determine optimal proxy server 300, specifically include step S51~step S53 as shown in Figure 5.
Step S51, to the proxy log of corresponding each proxy server 300 of destination server 400 in the predetermined period of past one
Counted；It is determined that corresponding with the time for receiving the web access requests time period in the predetermined period accessed target
All proxy servers 300 of server 400；All proxy servers 300 are sorted from fast to slow according to access speed；Will
One or more proxy servers 300 for wherein sorting forward are defined as first and treat election server, and according to the first Weight Algorithm
To each first treat election server assign weight.
The specific implementation process of the step may be referred to the foregoing explanation to step S31~step S32.
The purpose of the step is in each proxy server 300 of destination server 400, to be chosen at special time period and (receive
Time period belonging to the time of the web access requests) in access target server 400 fastest top agency clothes
Business device 300.
During specific implementation, the first Weight Algorithm can be successively decreased successively weighted value according to the clooating sequence of proxy server 300,
Can certainly assign weight according to other strategies, such as according to the clooating sequence of proxy server 300, every two generations
Reason server 300, weighted value reduces a grade.To the specific strategy of the first Weight Algorithm, the present invention is not limited, only
The fastest top that special time period wherein access target server 400 is chosen according to weight can be reached and act on behalf of clothes
The purpose of business device 300.
Step S52, determines the positional information of corresponding each proxy server 300 of destination server 400；Respectively by each generation
Compare with the geographical position of client 100 in the geographical position for managing server 300；To each proxy server 300 according to away from
Sort from the near to the remote in geographical position from client 100；One or more proxy servers 300 for wherein sorting forward are determined
Election server is treated for second, and second election server assigns weight to be treated to each according to the second Weight Algorithm；Wherein, if second
Election server is treated while being first to treat election server, then its weight be the weight that is assigned according to the first Weight Algorithm with according to second
The weight sum that Weight Algorithm is assigned.
The purpose of the step is the ground of selected distance client 100 in each proxy server 300 of destination server 400
The nearest top proxy server 300 in reason position.
During specific implementation, the second Weight Algorithm can be successively decreased successively weighted value according to the clooating sequence of proxy server 300,
Can certainly assign weight according to other strategies, such as according to the clooating sequence of proxy server 300, every two generations
Reason server 300, weighted value reduces a grade.To the specific strategy of the second Weight Algorithm, the present invention is not limited, only
The purpose according to the nearest top proxy server 300 in the geographical position of weight selected distance client 100 can be reached
.
Step S53, the maximum proxy server 300 of weight in corresponding each proxy server 300 of destination server 400 is true
It is set to optimal proxy server 300.
Each determined by the first Weight Algorithm first treats election server, is from proxy server 300 and destination server 400
Between data transmission bauds consider, choose the wherein most fast top proxy server 300 of response speed.By the second power
Weight strategy determine each second treat election server, be in the most fast top proxy server of the response speed of foregoing determination
On the basis of 300, further the data transmission bauds between client 100 and proxy server 300 considers, chooses again
The wherein most fast top proxy server 300 of response speed.That is, step S51~step S52 both considers agency's clothes
Data transmission bauds between business device 300 and destination server 400, it is contemplated that between client 100 and proxy server 300
Data transmission bauds, the maximum proxy server 300 of the weight that finally gives is each agency's clothes of destination server 400
The most fast proxy server 300 of comprehensive response speed in business device 300, by the proxy server 300 as optimal proxy server
300, it is possible to achieve while obtaining most fast response speed and destination server 400 between, can obtain again and client 100
Between most fast response speed, so as to improve webpage access speed on the whole, improve user's online experience.
Example devices
After the Network Access Method for describing present invention offer, next, with reference to the application scenarios of Fig. 1, introducing this hair
The network access device 200 of bright offer.
As shown in fig. 6, the network access device 200 includes：
Receiver module 601, is arranged to receive the web access requests that client 100 sends；
DNS database 602, is arranged to store domain name and its corresponding IP address；
IP address finds module 603, is arranged to be searched in DNS database 602 corresponding to the domain name in web access requests
IP address；
Destination server determining module 604, is arranged to the IP address corresponding to the domain name in web access requests, it is determined that
Destination server 400；
Optimal proxy server determining module 605, is arranged to according to time and/or the client for receiving web access requests
100 positional information, optimal agency's clothes are defined as by corresponding each proxy server 300 of destination server 400
Business device 300；
Sending module 606, is arranged to for web access requests to be sent to optimal proxy server 300, so that optimal agency's clothes
The web page resources of destination server 400 are sent to client 100 by business device 300.
Alternatively, the network access device 200, can also include：
IP address request module, is arranged to the IP corresponding to the domain name in not having web access requests in DNS database 602
During address, from the IP address corresponding to the domain name in dns server query webpage access request；
The update module of DNS database 602, is arranged to be stored in the domain name in web access requests and its corresponding IP address
In DNS database 602.
Alternatively, the update module of DNS database 602 can also be arranged to：By the domain name in web access requests and its right
Before the IP address answered is stored in DNS database 602, the corresponding IP address of each domain name in DNS database 602 is carried out
Whether effectively traversal, judge each domain name and its corresponding IP address, if invalid, deletes the domain name and its corresponding IP
Address.
Alternatively, the update module of DNS database 602 can also be arranged to：For each domain name, determine that the domain name is stored in DNS
The time of database 602 and the time difference of current time, whether the time difference is judged beyond a domain name corresponding default time-to-live,
If it was exceeded, judge the corresponding IP address of the domain name for invalid, if without departing from judging the corresponding IP address of the domain name
For effective.
Alternatively, optimal proxy server determining module 605 can be further arranged to：To target in the predetermined period of past one
The proxy log of corresponding each proxy server 300 of server 400 is counted；It is determined that in predetermined period with receive webpage
Corresponding time period time of access request accessed all proxy servers 300 of destination server 400；By all agencies
The most fast proxy server 300 of access speed is defined as optimal proxy server 300 in server 300.
Alternatively, optimal proxy server determining module 605 can be further arranged to：Determine that destination server 400 is corresponding
The positional information of each proxy server 300；The position of the positional information of client 100 and each proxy server 300 is believed
Breath is matched；The proxy server 300 that the match is successful is defined as optimal proxy server 300.
Alternatively, optimal proxy server determining module 605 can be further arranged to：Respectively by each proxy server 300
Geographical position compare with the geographical position of client 100；If the geographical position of proxy server 300 and client 100
Geographical position coincide, or, apart from the geographical position of client 100 in a preset range, it is determined that be matching.
Alternatively, optimal proxy server determining module 605 can be further arranged to：If judging agency's clothes that the match is successful
The quantity of business device 300 is more than 1, then be defined as most proxy server 300 wherein nearest apart from the geographical position of client 100
Excellent proxy server 300.
Alternatively, optimal proxy server determining module 605 can be further arranged to：
Proxy log to corresponding each proxy server 300 of destination server 400 in the predetermined period of past one is counted；
It is determined that corresponding with the time for the receiving web access requests time period in predetermined period accessed the institute of destination server 400
There is proxy server 300；All proxy servers 300 are sorted from fast to slow according to access speed；It is forward by wherein sorting
One or more proxy servers 300 are defined as first and treat election server, and first to be selected to each according to the first Weight Algorithm
Server assigns weight；
Determine the positional information of corresponding each proxy server 300 of destination server 400；Respectively by each proxy server
Compare with the geographical position of client 100 in 300 geographical position；To each proxy server 300 according to apart from client
Sort from the near to the remote in 100 geographical position；One or more proxy servers 300 for wherein sorting forward are defined as into second to treat
Election server, and according to the second Weight Algorithm to each second treat election server assign weight；Wherein, if the second service to be selected
Device is simultaneously first to treat election server, then its weight be the weight that is assigned according to the first Weight Algorithm with according to the second Weight Algorithm
The weight sum of imparting；
The maximum proxy server 300 of weight in corresponding each proxy server 300 of destination server 400 is defined as optimal
Proxy server 300.
Alternatively, the first Weight Algorithm treats that the weight of election server is successively decreased successively according to its clooating sequence including first；Second power
Weight strategy treats that the weight of election server is successively decreased successively according to its clooating sequence including second.
The network access device 200 that the present invention is provided is based on identical invention thought reality with the Network Access Method that the present invention is provided
Existing, its specific embodiment can refer to the foregoing introduction to Network Access Method, and here is omitted.
Although it should be noted that being referred to some modules of network access device in above-detailed, this division is only
It is only not enforceable.In fact, according to the embodiment of the present invention, the feature of above-described two or more modules and
Function can embody in a module.Conversely, the feature and function of an above-described module can be divided further
It is to be embodied by multiple modules.
Additionally, although the operation of the inventive method is described with particular order in the accompanying drawings, this is not required that or secretly
Showing must perform these operations according to the particular order, or the operation having to carry out shown in whole could realize desired knot
Really.Additionally or alternatively, it is convenient to omit some steps, multiple steps are merged into a step to perform, and/or by one
Step is decomposed into execution of multiple steps.
Although describing spirit and principles of the present invention by reference to some specific embodiments, it should be appreciated that, the present invention
Disclosed specific embodiment is not limited to, the division to each side does not mean that the feature in these aspects can not be combined yet
It is this to divide merely to the convenience of statement to be benefited.It is contemplated that covering spirit and scope of the appended claims
Interior included various modifications and equivalent arrangements.
Example system
With reference to the application scenarios of Fig. 1, the present invention provides a network access system, including network access device 200, destination service
Device 400, and corresponding one or more proxy servers 300 of the destination server 400.
The present invention provide network access system with the present invention provide Network Access Method be based on identical invention thought realization,
Its specific embodiment can refer to the foregoing introduction to Network Access Method, and here is omitted.
Embodiment of the invention discloses that：
A1, a kind of Network Access Method, including：
When receiving the web access requests that client sends, the web page access is searched in the DNS database for localling create please
The IP address corresponding to domain name asked；
The IP address corresponding to domain name in the web access requests, determines destination server；
According to the time for receiving the web access requests and/or the positional information of the client, by the destination server
One in corresponding each proxy server is defined as optimal proxy server；
The web access requests are sent to the optimal proxy server, so that the optimal proxy server is by the mesh
The web page resources for marking server are sent to the client.
A2, the Network Access Method according to claim A1, also include：
If there is no the IP address corresponding to the domain name in the web access requests in the DNS database for localling create, from
The IP address corresponding to domain name that dns server is inquired about in the web access requests, and by the web access requests
Domain name and its corresponding IP address are stored in the DNS database for localling create.
A3, the Network Access Method according to claim A2, by the domain name and its correspondence in the web access requests
IP address be stored in the DNS database for localling create before, also include：To each in the DNS database that locallys create
Whether the corresponding IP address of domain name is traveled through, and effectively to judge the corresponding IP address of each domain name, if invalid, deleting should
Domain name and its corresponding IP address.
A4, the Network Access Method according to claim A3, wherein, the corresponding IP address of described each domain name of judgement
It is whether effective, including：
For each domain name, determine that the domain name is stored in the time of the DNS database for localling create and the time difference of current time, sentence
Whether the disconnected time difference presets life cycle beyond the domain name corresponding, if it was exceeded, judging the corresponding IP address of the domain name
For invalid, if without departing from judging that the corresponding IP address of the domain name is effective.
A5, the Network Access Method according to claim A1, wherein, described basis receives the web page access please
The time asked and/or the positional information of the client, by one in corresponding each proxy server of the destination server
It is defined as optimal proxy server, including：
Proxy log to corresponding each proxy server of the destination server in the predetermined period of past one is counted；
It is determined that corresponding with the time for receiving the web access requests time period in the predetermined period accessed described
All proxy servers of destination server；
The most fast proxy server of access speed in all proxy servers is defined as optimal proxy server.
A6, the Network Access Method according to claim A1, wherein, described basis receives the web page access please
The time asked and/or the positional information of the client, by one in corresponding each proxy server of the destination server
It is defined as optimal proxy server, including：
Determine the positional information of corresponding each proxy server of the destination server；
The positional information of the client is matched with the positional information of each proxy server；
The proxy server that the match is successful is defined as optimal proxy server.
A7, the Network Access Method according to claim A6, wherein, the described positional information by the client with
The positional information of each proxy server is matched, including：
The geographical position of each proxy server is compared with the geographical position of the client respectively；
If the geographical position of proxy server coincides with the geographical position of the client, or, apart from the ground of the client
Reason position is in a preset range, it is determined that be matching.
A8, the Network Access Method according to claim A7, wherein, if the quantity of the proxy server that the match is successful is big
In 1, then proxy server wherein nearest apart from the geographical position of the client is defined as optimal proxy server.
A9, the Network Access Method according to claim A1, wherein, described basis receives the web page access please
The time asked and/or the positional information of the client, by one in corresponding each proxy server of the destination server
It is defined as optimal proxy server, including：
Proxy log to corresponding each proxy server of the destination server in the predetermined period of past one is counted；Really
Being scheduled in the predetermined period time period corresponding with the time for receiving the web access requests accessed the target clothes
All proxy servers of business device；All proxy servers are sorted from fast to slow according to access speed；To wherein sort
One or more forward proxy servers are defined as first and treat election server, and each first is treated according to the first Weight Algorithm
Election server assigns weight；
Determine the positional information of corresponding each proxy server of the destination server；Respectively will described each proxy server
Geographical position compare with the geographical position of the client；To each proxy server according to apart from the client
Sort from the near to the remote in geographical position；One or more proxy servers for wherein sorting forward are defined as the second service to be selected
Device, and according to the second Weight Algorithm to each second treat election server assign weight；Wherein, if described second treats election server
It is simultaneously first to treat election server, then its weight is that the weight assigned according to the first Weight Algorithm is assigned with according to the second Weight Algorithm
The weight sum given；
The maximum proxy server of weight in corresponding each proxy server of the destination server is defined as optimal agency
Server.
A10, the Network Access Method according to claim A9, wherein,
First Weight Algorithm treats that the weight of election server is successively decreased successively according to its clooating sequence including first；
Second Weight Algorithm treats that the weight of election server is successively decreased successively according to its clooating sequence including second.
B1, a kind of network access device, including：
Receiver module, is arranged to receive the web access requests that client sends；
DNS database, is arranged to store domain name and its corresponding IP address；
IP address finds module, and the domain name institute for being arranged to be searched in the DNS database in the web access requests is right
The IP address answered；
Destination server determining module, is arranged to the IP address corresponding to the domain name in the web access requests, really
Set the goal server；
Optimal proxy server determining module, is arranged to basis and receives the time of the web access requests and/or the visitor
The positional information at family end, optimal agency service is defined as by corresponding each proxy server of the destination server
Device；
Sending module, is arranged to for the web access requests to be sent to the optimal proxy server, so that described optimal
The web page resources of the destination server are sent to the client by proxy server.
B2, the network access device according to claim B1, also include：
IP address request module, is arranged to do not have the domain name institute in the web access requests right in the DNS database
During the IP address answered, from the IP address corresponding to the domain name that dns server is inquired about in the web access requests；
DNS database update module, is arranged to be stored in the domain name in the web access requests and its corresponding IP address
In the DNS database.
B3, the network access device according to claim B2, wherein, the DNS database update module is also set
For：Before the domain name in the web access requests and its corresponding IP address are stored in the DNS database, to institute
The corresponding IP address of each domain name stated in DNS database is traveled through, and judges whether are each domain name and its corresponding IP address
Effectively, if invalid, the domain name and its corresponding IP address are deleted.
B4, the network access device according to claim B3, wherein, the DNS database update module is also set
For：For each domain name, determine that the domain name is stored in the time of the DNS database and the time difference of current time, when judging this
Whether difference is beyond a domain name corresponding default time-to-live, if it was exceeded, the corresponding IP address of the domain name is judged for invalid,
If without departing from judging that the corresponding IP address of the domain name is effective.
B5, the network access device according to claim B1, wherein, optimal proxy server determining module further by
It is set to：Proxy log to corresponding each proxy server of the destination server in the predetermined period of past one is united
Meter；It is determined that corresponding with the time for receiving the web access requests time period in the predetermined period accessed the mesh
Mark all proxy servers of server；The most fast proxy server of access speed in all proxy servers is defined as
Optimal proxy server.
B6, the network access device according to claim B1, wherein, optimal proxy server determining module further by
It is set to：Determine the positional information of corresponding each proxy server of the destination server；The position of the client is believed
Breath is matched with the positional information of each proxy server；The proxy server that the match is successful is defined as optimal agency
Server.
B7, the network access device according to claim B6, wherein, optimal proxy server determining module further by
It is set to：The geographical position of each proxy server is compared with the geographical position of the client respectively；If generation
The geographical position for managing server coincides with the geographical position of the client, or, existing apart from the geographical position of the client
In one preset range, it is determined that be matching.
B8, the network access device according to claim B7, wherein, optimal proxy server determining module further by
It is set to：If judging, the quantity of the proxy server that the match is successful is more than 1, by wherein apart from the geographical position of the client
Put nearest proxy server and be defined as optimal proxy server.
B9, the network access device according to claim B1, wherein, optimal proxy server determining module further by
It is set to：
Proxy log to corresponding each proxy server of the destination server in the predetermined period of past one is counted；Really
Being scheduled in the predetermined period time period corresponding with the time for receiving the web access requests accessed the target clothes
All proxy servers of business device；All proxy servers are sorted from fast to slow according to access speed；To wherein sort
One or more forward proxy servers are defined as first and treat election server, and each first is treated according to the first Weight Algorithm
Election server assigns weight；
Determine the positional information of corresponding each proxy server of the destination server；Respectively will described each proxy server
Geographical position compare with the geographical position of the client；To each proxy server according to apart from the client
Sort from the near to the remote in geographical position；One or more proxy servers for wherein sorting forward are defined as the second service to be selected
Device, and according to the second Weight Algorithm to each second treat election server assign weight；Wherein, if described second treats election server
It is simultaneously first to treat election server, then its weight is that the weight assigned according to the first Weight Algorithm is assigned with according to the second Weight Algorithm
The weight sum given；
The maximum proxy server of weight in corresponding each proxy server of the destination server is defined as optimal agency
Server.
B10, the network access device according to claim B9, wherein,
First Weight Algorithm treats that the weight of election server is successively decreased successively according to its clooating sequence including first；
Second Weight Algorithm treats that the weight of election server is successively decreased successively according to its clooating sequence including second.
C1, a kind of network access system, including：Network access device as described in claim B1~B10, destination service
Device, and corresponding one or more proxy servers of the destination server.
Particular embodiments described above, has been carried out further specifically to the purpose of the present invention, technical scheme and beneficial effect
It is bright, should be understood that and the foregoing is only specific embodiment of the invention, the protection being not intended to limit the present invention
Scope, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc., should be included in
Within protection scope of the present invention.
Those skilled in the art will also be appreciated that the various illustrative components, blocks (illustrative that the embodiment of the present invention is listed
Logical block), unit, and step can be realized by the combination of electronic hardware, computer software, or both.For
Clearly show that the replaceability (interchangeability) of hardware and software, above-mentioned various illustrative components (illustrative
Components), unit and step universally describe their function.Such function is by hardware or soft
Part realizes depending on the design requirement of specific application and whole system.Those skilled in the art can be specific for every kind of
Using, it is possible to use various methods realize described function, but this realization is understood not to be protected beyond the embodiment of the present invention
The scope of shield.
Various illustrative logical block described in the embodiment of the present invention, or unit, or device can be by general procedure
Device, digital signal processor, application specific integrated circuit (ASIC), field programmable gate array or other programmable logic devices,
The design of discrete gate or transistor logic, discrete hardware components, or any of the above described combination is come the function realized or described by operate.
General processor can be microprocessor, alternatively, the general processor can also for any traditional processor, controller,
Microcontroller or state machine.Processor can also be realized by the combination of computing device, for example digital signal processor and micro-
Processor, multi-microprocessor, one or more microprocessors combine a Digital Signal Processor Core, or any other class
As configuration realize.
The step of method or algorithm described in the embodiment of the present invention, can be directly embedded into the software mould of hardware, computing device
Block or the combination of both.Software module can be stored in RAM memory, flash memory, ROM memory, EPROM
Other arbitrary shapes in memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area
In the storage medium of formula.Exemplarily, storage medium can be connected with processor, to allow processor from storage medium
Middle reading information, it is possible to deposit write information to storage medium.Alternatively, storage medium can also be integrated into processor.Place
Reason device and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and deposit
Storage medium can also be arranged in the different part in user terminal.
In one or more exemplary designs, above-mentioned functions described by the embodiment of the present invention can hardware, software,
Any combination of firmware or this three is realized.If realized in software, these functions can store the matchmaker with computer-readable
On Jie, or it is transmitted on the medium of computer-readable with one or more instructions or code form.Computer readable medium includes computer
Store medium and be easy to so that allowing computer program to be transferred to other local telecommunication medias from a place.Storing medium can be
Any general or special computer can be with the useable medium of access.For example, such computer readable media can include but not
It is limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storages, disk storage or other magnetic storage devices,
Other it is any can be used for carrying or store with instruct or data structure and other can by general or special computer or it is general or
Special processor reads the medium of the program code of form.Additionally, any connection can be properly termed computer-readable
Medium, if for example, software is to pass through coaxial cable, a light from web-site, server or other remote resources
Fiber-optic cable, twisted-pair feeder, Digital Subscriber Line (DSL) or with the wireless way for transmitting such as example infrared, wireless and microwave also by
It is included in defined computer readable medium.Described disk (disk) and disk (disc) include Zip disk, radium-shine
Disk, CD, DVD, floppy disk and Blu-ray Disc, disk is generally with magnetic duplication data, and disk generally carries out light with laser
Learn replicate data.Combinations of the above can also be included in computer readable medium.
Claims (10)
1. a kind of Network Access Method, including：
When receiving the web access requests that client sends, the web page access is searched in the DNS database for localling create please
The IP address corresponding to domain name asked；
The IP address corresponding to domain name in the web access requests, determines destination server；
According to the time for receiving the web access requests and/or the positional information of the client, by the destination server
One in corresponding each proxy server is defined as optimal proxy server；
The web access requests are sent to the optimal proxy server, so that the optimal proxy server is by the mesh
The web page resources for marking server are sent to the client.
2. Network Access Method according to claim 1, also includes：
If there is no the IP address corresponding to the domain name in the web access requests in the DNS database for localling create, from
The IP address corresponding to domain name that dns server is inquired about in the web access requests, and by the web access requests
Domain name and its corresponding IP address are stored in the DNS database for localling create.
3. Network Access Method according to claim 2, by the domain name in the web access requests and its corresponding
Before IP address is stored in the DNS database for localling create, also include：To each domain in the DNS database that locallys create
The corresponding IP address of name is traveled through, and judges that whether effectively the corresponding IP address of each domain name, if invalid, deletes the domain
Name and its corresponding IP address.
4. Network Access Method according to claim 3, wherein, the corresponding IP address of described each domain name of judgement is
It is no effective, including：
For each domain name, determine that the domain name is stored in the time of the DNS database for localling create and the time difference of current time, sentence
Whether the disconnected time difference presets life cycle beyond the domain name corresponding, if it was exceeded, judging the corresponding IP address of the domain name
For invalid, if without departing from judging that the corresponding IP address of the domain name is effective.
5. Network Access Method according to claim 1, wherein, described basis receives the web access requests
Time and/or the client positional information, by one in corresponding each proxy server of the destination server really
It is set to optimal proxy server, including：
Proxy log to corresponding each proxy server of the destination server in the predetermined period of past one is counted；
It is determined that corresponding with the time for receiving the web access requests time period in the predetermined period accessed described
All proxy servers of destination server；
The most fast proxy server of access speed in all proxy servers is defined as optimal proxy server.
6. Network Access Method according to claim 1, wherein, described basis receives the web access requests
Time and/or the client positional information, by one in corresponding each proxy server of the destination server really
It is set to optimal proxy server, including：
Determine the positional information of corresponding each proxy server of the destination server；
The positional information of the client is matched with the positional information of each proxy server；
The proxy server that the match is successful is defined as optimal proxy server.
7. Network Access Method according to claim 6, wherein, it is described by the positional information of the client and institute
The positional information for stating each proxy server is matched, including：
The geographical position of each proxy server is compared with the geographical position of the client respectively；
If the geographical position of proxy server coincides with the geographical position of the client, or, apart from the ground of the client
Reason position is in a preset range, it is determined that be matching.
8. Network Access Method according to claim 1, wherein, described basis receives the web access requests
Time and/or the client positional information, by one in corresponding each proxy server of the destination server really
It is set to optimal proxy server, including：
Proxy log to corresponding each proxy server of the destination server in the predetermined period of past one is counted；Really
Being scheduled in the predetermined period time period corresponding with the time for receiving the web access requests accessed the target clothes
All proxy servers of business device；All proxy servers are sorted from fast to slow according to access speed；To wherein sort
One or more forward proxy servers are defined as first and treat election server, and each first is treated according to the first Weight Algorithm
Election server assigns weight；
Determine the positional information of corresponding each proxy server of the destination server；Respectively will described each proxy server
Geographical position compare with the geographical position of the client；To each proxy server according to apart from the client
Sort from the near to the remote in geographical position；One or more proxy servers for wherein sorting forward are defined as the second service to be selected
Device, and according to the second Weight Algorithm to each second treat election server assign weight；Wherein, if described second treats election server
It is simultaneously first to treat election server, then its weight is that the weight assigned according to the first Weight Algorithm is assigned with according to the second Weight Algorithm
The weight sum given；
The maximum proxy server of weight in corresponding each proxy server of the destination server is defined as optimal agency
Server.
9. a kind of network access device, including：
Receiver module, is arranged to receive the web access requests that client sends；
DNS database, is arranged to store domain name and its corresponding IP address；
IP address finds module, and the domain name institute for being arranged to be searched in the DNS database in the web access requests is right
The IP address answered；
Destination server determining module, is arranged to the IP address corresponding to the domain name in the web access requests, really
Set the goal server；
Optimal proxy server determining module, is arranged to basis and receives the time of the web access requests and/or the visitor
The positional information at family end, optimal agency service is defined as by corresponding each proxy server of the destination server
Device；
Sending module, is arranged to for the web access requests to be sent to the optimal proxy server, so that described optimal
The web page resources of the destination server are sent to the client by proxy server.
10. a kind of network access system, including：Network access device, destination server as claimed in claim 9, with
And corresponding one or more proxy servers of the destination server.
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