CN102045411A - Method, server and system for domain name resolution - Google Patents

Method, server and system for domain name resolution Download PDF

Info

Publication number
CN102045411A
CN102045411A CN2009102357205A CN200910235720A CN102045411A CN 102045411 A CN102045411 A CN 102045411A CN 2009102357205 A CN2009102357205 A CN 2009102357205A CN 200910235720 A CN200910235720 A CN 200910235720A CN 102045411 A CN102045411 A CN 102045411A
Authority
CN
China
Prior art keywords
domain name
service server
server
request message
sensing point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2009102357205A
Other languages
Chinese (zh)
Inventor
樊川
李伟
秦越
翁啸华
陈曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Mobile Communications Group Co Ltd
Original Assignee
China Mobile Communications Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Mobile Communications Group Co Ltd filed Critical China Mobile Communications Group Co Ltd
Priority to CN2009102357205A priority Critical patent/CN102045411A/en
Publication of CN102045411A publication Critical patent/CN102045411A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses a method, a server and a system for domain name resolution. The method comprises that: a domain name server (DNS) selects a service server according to a received domain name resolution request message; the DNS sends a service server availability detection request to a detection point which is in the same network domain as the party transmitting the message; and the DNS determines the result of the domain name resolution corresponding to the request message according to the detection result fed back by the detection point. In the embodiments of the invention, the availability of the service server can be detected before feeding back the domain name resolution, so as to avoid resolving a domain name to a failed internet protocol (IP) address of the service server and improve user experience.

Description

A kind of domain name analytic method, server and system
Technical field
The present invention relates to data communication technology field, particularly, relate to a kind of domain name analytic method, server and system.
Background technology
Domain name system (Domain Name System is hereinafter to be referred as DNS) server is used to domain name is converted to Internet protocol (Internet Protocol is hereinafter to be referred as the IP) address that machine can be discerned.Such as user's input network address when surfing the Net, network address is domain name just, at this moment dns server need be corresponding IP address with domain name mapping, so just can make subscriber computer be connected to correct service server, and promptly dns server will be domain name mapping the IP address of service server.
In the prior art, in order to provide better service quality to the user, the service provider tends to network area many service servers of deployment different in network and shares same domain name.In the prior art domain name resolved two kinds of implementations generally arranged:
1. Fig. 1 is first kind of method schematic diagram that domain name is resolved, and as shown in Figure 1, dns server is selected a service server according to the attribute of subscriber computer, and its IP address is returned to subscriber computer.The defective of this implementation is: dns server may be with domain name mapping to the IP address of the service server that had lost efficacy, cause subscriber computer need send the domain name mapping request once more like this, reduce the efficient of domain name mapping, strengthened the workload of subscriber computer, influenced user experience.
2. application number is that 200480041163.9 application documents have proposed a kind of method to domain name mapping, dns server will all offer subscriber computer with the IP address and the state information of corresponding at least one service server of domain name, will be connected on which service server by the state information decision of subscriber computer according to service server.If service server lost efficacy, then subscriber computer will can not be connected to this service server.The defective of this implementation is: because dns server need all send to subscriber computer with the IP address and the state information of at least one service server, can cause data traffic bigger; Subscriber computer need be after receiving the information that dns server sends over again decision be connected to which service server, improved the workload of subscriber computer, and the quantity of working as service server is bigger, the information that dns server sends over more for a long time, analyzing efficiency is lower, thereby causes bad user experience.
Summary of the invention
First purpose of the present invention is to propose a kind of domain name analytic method, with the workload that realizes improving the efficient of domain name mapping and reduce subscriber computer.
Second purpose of the present invention is to propose a kind of domain name resolution server, with the workload that realizes improving the efficient of domain name mapping and reduce subscriber computer.
The 3rd purpose of the present invention is to propose a kind of domain name analysis system, with the workload that realizes improving the efficient of domain name mapping and reduce subscriber computer.
For realizing above-mentioned first purpose, according to an aspect of the present invention, provide a kind of domain name analytic method, comprising: dns server is selected service server according to the domain name mapping request message that receives; Dns server detects to the availability of the sensing point request that is in the consolidated network territory with the request message transmit leg to this service server; The testing result that dns server returns according to sensing point is determined the domain name mapping result of request message correspondence.
Preferably, the testing result that dns server returns according to sensing point determines that the domain name mapping result of request message correspondence specifically can comprise: if the testing result that sensing point returns is that service server is unavailable, then dns server is reselected new service server, and new service server is carried out availability detect; Can use if the testing result that sensing point returns is a service server, then dns server returns the domain name mapping response message that comprises service server IP address to the request message transmit leg.
Wherein, service server can be for being positioned at the service server in consolidated network territory with this request message transmit leg.
For realizing above-mentioned second purpose, according to another aspect of the present invention, provide a kind of domain name resolution server, comprising: receiver module is used for acceptance domain name analysis request message; Control module, be used for the domain name mapping request message that receives according to receiver module, select service server, and detect, and determine the domain name mapping result of request message correspondence according to the testing result that sensing point returns to the availability of the sensing point request that is in the consolidated network territory with the request message transmit leg to service server; Sending module is used for the domain name mapping result is sent to the transmit leg of request message.
Preferably, control module specifically can comprise: judging unit is used for judging according to the testing result that sensing point returns whether service server is available, if unavailable, then reselect a new service server, detect to the availability of sensing point request to new service server; Otherwise the domain name mapping response message that will comprise service server IP address sends to sending module.
For realizing above-mentioned the 3rd purpose, according to another aspect of the present invention, a kind of domain name analysis system is provided, comprise: dns server, be used for according to the domain name mapping request message that receives, select service server, detect to the availability of the sensing point request that is in the consolidated network territory with the request message transmit leg, and determine the domain name mapping result of request message correspondence according to the testing result that sensing point returns service server; Sensing point is used to receive the availability that comprises service server IP address that dns server sends and detects request, the availability of service server is detected, and return testing result.
The domain name analytic method of various embodiments of the present invention, server and system, dns server is when carrying out domain name mapping, before domain name mapping request message transmit leg returns the domain name mapping result, detect by the availability of sensing point to service server in advance, the testing result of returning according to sensing point determines the domain name mapping result that returns to the request message transmit leg again.Like this, dns server can be guaranteed the IP address of an effective traffic server is sent to subscriber computer, has improved the efficient of domain name mapping, has reduced the workload of subscriber computer, has improved user experience.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the first method schematic diagram according to domain name mapping in the prior art;
Fig. 2 is embodiment one flow chart of the domain name analytic method according to the present invention;
Fig. 3 is embodiment two flow charts of the domain name analytic method according to the present invention;
Fig. 4 is the communication protocol example structure figure that step S308-S312 uses among Fig. 3;
Fig. 5 is domain name resolution server embodiment one internal structure schematic diagram according to the present invention;
Fig. 6 is domain name resolution server embodiment two internal structure schematic diagrames according to the present invention;
Fig. 7 is the structural representation of the domain name analysis system according to the present invention;
Fig. 8 is the domain name analytic method flow chart of the domain name analysis system according to the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 2 is embodiment one flow chart of the domain name analytic method according to the present invention, and as shown in Figure 2, present embodiment comprises:
Step S202, dns server are selected service server according to the domain name mapping request message that receives;
Step S204, dns server detect to the availability of the sensing point request that is in the consolidated network territory with this request message transmit leg to this service server;
The testing result that step S206, dns server return according to this sensing point is determined the domain name mapping result of this request message correspondence.
In the present embodiment, dns server is when carrying out domain name mapping, before domain name mapping request message transmit leg returns the domain name mapping result, detect by the availability of sensing point to service server in advance, the testing result of returning according to sensing point determines the domain name mapping result that returns to the request message transmit leg again.Like this, dns server can be guaranteed effective domain name mapping result is sent to subscriber computer, has improved the efficient of domain name mapping, has reduced the workload of subscriber computer, has improved user experience.
Fig. 3 is embodiment two flow charts of the domain name analytic method according to the present invention, and as shown in Figure 3, present embodiment comprises:
Step S302, dns server receive the domain name mapping request message that subscriber computer sends;
When the user capture domain name, such as visit a certain website, the user imports network address on subscriber computer, and this network address is exactly a domain name.Subscriber computer sends the domain name mapping request message to dns server, carries the attribute of subscriber computer and the domain name that subscriber computer will be visited in this message.The attribute of subscriber computer can comprise the IP address of subscriber computer;
Step S304, dns server are determined and corresponding at least one service server of this domain name;
Store the domain name of service server and the corresponding relation between the IP address in the dns server, each domain name is to there being at least one service server, and dns server is determined and corresponding at least one service server of this domain name according to this corresponding relation;
Step S306, dns server are selected service server according to the IP address of subscriber computer from least one service server of determining;
If there is the service server with this subscriber computer consolidated network territory, dns server can select one to be positioned at the service server of same network domains with subscriber computer.If all service servers and subscriber computer are not in the consolidated network territory, then dns server can be selected service server according to the attribute of subscriber computer, for example:, resolve for the subscriber computer in different provinces and to economize in one's duty address of service server separately according to the classification of countries of subscriber computer; Perhaps according to the classification of the employed operator of subscriber computer, for the subscriber computer analysis unit is deployed in address of service server in the different operators network.If dns server utilizes said method not select service server, dns server can be chosen first service server from analysis result so.The IP address of the service server that dns server preparation afterwards will be selected sends to subscriber computer;
Step S308, dns server to subscriber computer consolidated network territory in sensing point send the availability that comprises service server IP address and detect request, indicate this sensing point that the availability of this service server is detected;
Sensing point can detect service server in application layer, really verifies the availability of service server in service layer.Simultaneously, sensing point is deployed in each network domains, therefore can guarantee to choose the sensing point that is positioned at the consolidated network territory with subscriber computer and carry out business detection.For fear of dns server to the path between the service server be communicated with and subscriber computer leads to the situation that blocking-up appears in the path of service server, sensing point that detects and subscriber computer and service server need be positioned at the consolidated network territory, and the Operational Visit path that can guarantee to detect path and subscriber computer like this is more approaching.In actual applications, sensing point can be deployed in each province's network domains of operator, when selecting sensing point, at first preferred and subscriber computer is positioned at the sensing point of same districts and cities network domains, if not then selection and subscriber computer are positioned at the sensing point of same province network domains.
Dns server sends availability to the sensing point of selecting and detects request, communication between dns server and the sensing point can rely on privately owned communication protocol, can also can the expanding communication agreement carry out type, length, value (Type, Length, Value to some, abbreviation TLV) finishes communication after the field extension, for example Border Gateway Protocol, Internet protocol IP v6 etc.
Use Border Gateway Protocol (BorderGateway Protocol with the communication between dns server and the sensing point below, hereinafter to be referred as BGP) Routing Protocol is example, as shown in Figure 4, " Type " field extension in the BGP message packet head can be gone out carry out availability detects request and detects two fields of response." Type " field of existing bgp protocol has defined 1,2,3,4, is expressed as respectively: " 1-OPEN, 2-UPDATE, 3-NOTIFICATION, 4-KEEPALIVE ".Each method embodiment of the present invention can be 5 or 6 with " Type " field extension, can represent that when " Type " Field Definition is 5 availability detects request field, can comprise the testing goal address, detect type of service and sign.When the type field is defined as 6, represent to detect response field, can comprise the testing goal address, detect type of service, corresponding to the professional testing result and the sign that detect type of service.
In carrying out availability detection request field form, the testing goal address is the address that dns server parses according to the domain name mapping request message of subscriber computer, the detection type of service can define 0 and be network layer, 1 is the http business, 2 is the 3rd version (Post Office Protocol3 is hereinafter to be referred as POP3) of post office protocol, and 3 is Simple Mail Transfer protocol (Simple Mail Transfer Protocol, hereinafter to be referred as SMTP) etc., specifically also can expand according to type of service.
In actual applications, subscriber computer is after dns server sends the domain name mapping request message, dns server can not determine fully which kind of business the user need visit, therefore dns server can indicate sensing point that a service server of domain name correspondence is carried out the application layer detection, can also indicate sensing point that two above service servers of domain name correspondence are carried out the network layer detection, be network layer time delay and the packet loss between test probes point and the service server, contrast draws an optimum relatively service server and its address is fed back to the user from test result.
Dns server can also be determined the business service content of user to domain name request according to the domain name mapping request message.For example: if carried the MX parameter in the 1 domain name mapping request message, indicate that then subscriber computer need use SMTP or POP3 agreement, illustrate that simultaneously subscriber computer need visit the SMTP or the POP3 port of the domain name of asking, i.e. 25 or 110 ports, dns server can require sensing point that 25 or 110 ports of service server are carried out business to detect in this case; If carried the www field in the domain name in the 2 domain name mapping request messages, indicate that then subscriber computer need use the web service, because the port of web service is 80, then can require sensing point that 80 ports of service server are carried out the business detection in this case;
Step S310, sensing point send service request to service server;
Step S312, according to the replying of service server, sensing point returns testing result to dns server;
Equally, as step S308, can communicate by the bgp protocol of proprietary protocol or expansion between sensing point and the dns server, as shown in Figure 4, when the type field is defined as 6, represent the detection response field expanded, can comprise the testing goal address, detect type of service, corresponding to the professional testing result and the sign that detect type of service.Sensing point can return testing result to dns server by the detection response field of expansion, in detecting response field, detect type of service at each of carrying out in the availability detection request, all enclosing the professional testing result of 2 bytes thereafter, detect type of service at each, the form of its professional testing result is explained all inconsistent, for example, detect request responding at network layer, can define first byte is average delay, and second byte is an average packet loss ratio.At the professional request responding that detects of http, first byte can be defined as the first byte receive time delay, second byte is defined as speed of download or the like, specifically can expand as required;
Step S314, dns server receive the testing result that this sensing point returns;
Step S316, judge testing result is whether service server is available, if, turn to step S318, if not, turn to step S306;
If dns server indication sensing point only detects a service server, after the testing result that receives this service server,, then select to return the IP address of this service server to subscriber computer if this service server can be used in application layer.
If dns server indication sensing point detects two above service servers, dns server can be chosen service server according to following mode:
If a application layer is to the detection success of service server, that is to say that service server can use in application layer, then no matter network layer detects success or not, all only consider the testing result of application layer, and will the speed of download of designated port index as a comparison be chosen the high service server of speed of download and feed back to subscriber computer;
If the b application layer detects unsuccessful, and network layer detects successfully, then the packet loss in the network layer testing result is used as mainly relatively index, as the packet loss unanimity, then adopt time delay to be used as the comparison index, the service server that time delay is little feeds back to subscriber computer;
If c network layer and application layer detect all failures, then choose one and subscriber computer and be positioned at the service server in consolidated network territory, as do not have, return step 306;
Step S318, dns server return the domain name mapping response message that comprises this service server IP address to subscriber computer.
Behind step S318, subscriber computer just can be visited through the sensing point testing, be verified the service server of availability.
In the present embodiment, dns server is before IP address from service server to subscriber computer that return, earlier the availability of service server is verified, if service server can be used, just return the IP address of service server to subscriber computer, to the proof procedure of service server be combined with the domain name mapping process, guaranteed to return the IP address of effective service server to subscriber computer.Be deployed in the sensing point in each network area, can finish detection according to the requirement of dns server to the application of service server.Subscriber computer only need be directly connected to the IP address that dns server returns, and has improved the efficient of domain name mapping, has reduced the workload of subscriber computer, has improved user experience.
Fig. 5 is the internal structure schematic diagram of the domain name resolution server embodiment one according to the present invention, and as shown in Figure 5, this device comprises:
Receiver module 10 is used for acceptance domain name analysis request message;
Control module 20, be used for the domain name mapping request message that receives according to receiver module 10, select service server, and detect, and determine the domain name mapping result of this request message correspondence according to the testing result that this sensing point returns to the availability of the sensing point request that is in the consolidated network territory with this request message transmit leg to this service server; Concrete request availability detects can be referring to the related description of Fig. 3 among the method embodiment, how to detect availability and determine and select the service server can be referring to Fig. 3 method embodiment related description, no longer repeated description according to testing result as the domain name mapping result of subscriber computer according to the result;
Sending module 40, the domain name mapping result who is used for that control module 20 is obtained is sent to the transmit leg of this request message.
In the present embodiment, dns server is when carrying out domain name mapping, before domain name mapping request message transmit leg returns the domain name mapping result, detect by the availability of sensing point to service server in advance, the testing result of returning according to sensing point determines the domain name mapping result that returns to the request message transmit leg again.Like this, dns server is guaranteed the IP address of an effective service server is sent to subscriber computer, has improved the efficient of domain name mapping, has reduced the workload of subscriber computer, has improved user experience.The technical scheme that present embodiment provides can effectively be avoided when a certain service server breaks down, and dns server causes the large tracts of land customer service to use the situation of being obstructed thereby the address of this service server is fed back to subscriber computer under unwitting situation.
Fig. 6 is the internal structure schematic diagram of the domain name mapping device embodiment two according to the present invention, and as shown in Figure 6, the control module 20 of present embodiment further can comprise:
Selected cell is used for the domain name mapping request message that receives according to receiver module 10, selects service server;
Detecting unit, the availability that is used for the service server selected cell selected to the sensing point request that is in the consolidated network territory with this request message transmit leg detects, specifically can be referring to the related description of Fig. 3 step S308;
Judging unit is used to judge the testing result that this sensing point returns is whether this service server is available, specifically can be referring to the related description of step S312-S316.If the testing result that this sensing point returns is unavailable for this service server, then reselect a new service server, detect to the availability of the sensing point request that is in the consolidated network territory with this request message transmit leg to this new service server according to the attribute of this request message transmit leg and the domain name that will visit; If the testing result that this sensing point returns can be used for this service server, then return the domain name mapping response message that comprises this service server IP address to this request message transmit leg by sending module 40.
A kind of domain name analysis system that Fig. 7 provides for the embodiment of the invention.As shown in Figure 7, this system comprises:
Dns server 60, be used for according to the domain name mapping request message that receives, select service server, detect to the availability of the sensing point request that is in the consolidated network territory with this request message transmit leg, and determine the domain name mapping result of this request message correspondence according to the testing result that this sensing point returns this service server;
Sensing point 62 is used to receive the availability of carrying out that dns server 60 sends and detects request, and the availability of the service server that dns server 60 is selected detects, and returns testing result to dns server 60.
Wherein, subscriber computer is not the assembly in the system of the present invention, and subscriber computer will send the domain name mapping request to dns server in the process of access service, obtains access service server behind the service server IP address that dns server returns.
The assembly of service server in neither system of the present invention, dns server will select to share at least one the service server of same domain name one according to the attribute of subscriber computer, by sensing point it be carried out the testing of service application aspect.
After dns server receives the domain name mapping request message, determine and corresponding at least one service server of this domain name, from least one service server of determining, select a service server according to the IP address of subscriber computer afterwards.If there is the service server with this subscriber computer consolidated network territory, dns server can select one to be positioned at the service server of same network domains with subscriber computer.If be not positioned at the service server of same network domains with subscriber computer, then dns server can be selected service server according to the attribute of subscriber computer, for example:, resolve for the subscriber computer in different provinces and to economize in one's duty address of service server separately according to the classification of countries of subscriber computer; Perhaps according to the classification of the employed operator of subscriber computer, for the subscriber computer analysis unit is deployed in address of service server in the different operators network.If dns server utilizes said method not select service server, dns server is just selected first service server in the analysis result so.Before returning the domain name mapping response message, dns server will send availability and detect request to being in sensing point under the consolidated network territory with subscriber computer, the request sensing point is verified the service availability of the service server of selection, prevents to return to subscriber computer the server address of service failure.
The detection request of sensing point response dns server also provides testing result.Sensing point can carry out testing to service server in application layer, and real authentication server is in the availability of service layer.Wherein, sensing point is deployed in each network domains, therefore can guarantee to choose the sensing point that is positioned at the consolidated network territory with subscriber computer and carry out business detection.For fear of dns server to the path between the service server be communicated with and subscriber computer leads to the situation that blocking-up appears in the path of service server, sensing point that detects and subscriber computer and service server need be positioned at the consolidated network territory, and the Operational Visit path that can guarantee to detect path and subscriber computer like this is more approaching.
In the embodiment of the invention, the internal structure of dns server 60 can be with reference to figure 5 and Fig. 6.
Fig. 8 is the domain name analytic method flow chart of the domain name analysis system according to the present invention, and Fig. 8 resolves domain name with subscriber computer by dns server, and the process of final access service server is an example, in conjunction with Fig. 7, illustrates that dns server carries out the idiographic flow of domain name mapping.
Specify as follows:
Step 1, subscriber computer sends the domain name mapping request message to dns server;
Step 2, dns server is according to the corresponding service server IP of user attribute inquiry address;
Step 3, dns server sends the specified services server is carried out the request that availability detects to being in sensing point in the consolidated network territory with this user;
Step 4, sensing point can carry out testing in the face of service server at service application layer, promptly sends service request to service server;
Step 5, according to replying of service server, the availability of sensing point checking service server;
Step 6, sensing point returns testing result to the specified services server to dns server;
If service server can not echo probe point in step 5 to the testing of business, sensing point will be returned as the disabled testing result of this service server to dns server, return step 2 by dns server and select new service server for the user.
Step 7, dns server returns the domain name mapping response message to subscriber computer, to the IP address of subscriber computer informing business server;
Step 8, subscriber computer visit detect, verified the service server of availability through sensing point.
So far, the domain name mapping flow process of dns server finishes.
In embodiments of the present invention, verified the availability of service server, further, the embodiment of the invention can also be verified the service quality of service server by sensing point, carry the service quality of service server in the testing result of returning to dns server, dns server can be that subscriber computer is selected service server according to the service quality of service server.
In the present embodiment, dns server is before IP address from service server to subscriber computer that return, earlier the availability of service server is verified, if service server can be used, just return the IP address of service server to subscriber computer, to the proof procedure of service server be combined with the domain name mapping process, guaranteed to return the IP address of effective service server to subscriber computer.Be deployed in the sensing point in each network area, can finish testing according to the requirement of dns server to the application of service server.Subscriber computer only need be directly connected to the IP address that dns server returns, and has improved the efficient of domain name mapping, has reduced the workload of subscriber computer, has improved user experience.
The present invention can have multiple multi-form embodiment; be that example illustrates technical scheme of the present invention in conjunction with the accompanying drawings with Fig. 1-Fig. 8 above; this and do not mean that the present invention due instantiation can only be confined in the specific flow process or example structure; those of ordinary skill in the art should understand; above the specific embodiments that is provided is some examples in the multiple its preferred usage, and the execution mode that any process that will verify the service server availability combines with the domain name mapping process of dns server is all within technical solution of the present invention scope required for protection.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (12)

1. a domain name analytic method is characterized in that, comprising:
Dns server is selected service server according to the domain name mapping request message that receives;
Described dns server detects to the availability of the sensing point request that is in the consolidated network territory with the described request message sender to described service server;
The testing result that described dns server returns according to described sensing point is determined the domain name mapping result of described request message correspondence.
2. domain name analytic method according to claim 1 is characterized in that, the testing result that described dns server returns according to described sensing point determines that the domain name mapping result of described request message correspondence comprises:
If the testing result that described sensing point returns is that described service server is unavailable, then described dns server is reselected new service server, and described new service server is carried out availability detect;
Can use if the testing result that described sensing point returns is described service server, then described dns server returns the domain name mapping response message that comprises described service server IP address to the described request message sender.
3. domain name analytic method according to claim 2 is characterized in that described dns server is reselected new service server, and described new service server is carried out availability detect and to comprise:
Described dns server is reselected a new service server according to the attribute of described request message sender and the domain name that will visit;
Described dns server detects to the availability of the sensing point request that is in the consolidated network territory with the described request message sender to described new service server.
4. domain name analytic method according to claim 1 is characterized in that, the testing result that described dns server returns according to described sensing point determines that the domain name mapping result of described request message correspondence comprises:
Described dns server receives the testing result of described sensing point to two the above service servers, and selects service server:
Can use if described testing result is described service server application layer, then described dns server is selected the highest service server of speed of download, and returns the described request message sender;
If described testing result is that described service server application layer is unavailable, network layer can be used, then described dns server is selected the service server that packet loss is minimum or time delay is minimum, and returns the described request message sender;
If described testing result is that two the above service server application layers and network layer are all unavailable, then reselects new service server and carry out the availability detection.
5. according to each described domain name analytic method among the claim 1-4, it is characterized in that described dns server detects the availability of described service server to the sensing point request that is in the consolidated network territory with the described request message sender and comprises: the bgp protocol of described dns server by expansion sends the availability that comprises described address of service server and detect type of service to described sensing point and detects request;
The testing result that described dns server returns according to described sensing point determines that the domain name mapping result of described request message correspondence comprises: described sensing point returns the availability testing result that comprises described address of service server, detects type of service and testing result by the bgp protocol of expansion to described dns server.
6. domain name analytic method according to claim 5 is characterized in that, described detection type of service comprises: network layer, http business, POP3 business or SMTP business.
7. according to each described domain name analytic method among the claim 1-4, it is characterized in that described service server is the service server that is positioned at the consolidated network territory with the described request message sender.
8. a domain name resolution server is characterized in that, comprising:
Receiver module is used for acceptance domain name analysis request message;
Control module, be used for the domain name mapping request message that receives according to described receiver module, select service server, and detect, and determine the domain name mapping result of described request message correspondence according to the testing result that described sensing point returns to the availability of the sensing point request that is in the consolidated network territory with the described request message sender to described service server;
Sending module is used for the domain name analysis result is sent to the transmit leg of described request message.
9. domain name resolution server according to claim 8 is characterized in that, described control module comprises:
Judging unit, be used for judging according to the testing result that described sensing point returns whether described service server is available, if unavailable, then reselect a new service server, detect to the availability of described sensing point request described new service server; Otherwise the domain name mapping response message that will comprise described service server IP address sends to described sending module.
10. a domain name analysis system is characterized in that, comprising:
Dns server, be used for according to the domain name mapping request message that receives, select service server, detect to the availability of the sensing point request that is in the consolidated network territory with the described request message sender, and determine the domain name mapping result of described request message correspondence according to the testing result that described sensing point returns described service server;
Sensing point is used to receive the availability that comprises described service server IP address that described dns server sends and detects request, the availability of described service server is detected, and return testing result.
11. domain name analysis system according to claim 10 is characterized in that, described dns server comprises:
Receiver module is used for acceptance domain name analysis request message;
Control module, be used for the domain name mapping request message that receives according to described receiver module, select service server, and detect, and determine the domain name mapping result of described request message correspondence according to the testing result that described sensing point returns to the availability of the sensing point request that is in the consolidated network territory with the described request message sender to described service server;
Sending module is used for the domain name analysis result is sent to the transmit leg of described request message.
12. domain name analysis system according to claim 11 is characterized in that, described control module comprises:
Judging unit, be used for judging according to the testing result that described sensing point returns whether described service server is available, if unavailable, then reselect a new service server, detect to the availability of described sensing point request described new service server; Otherwise the domain name mapping response message that will comprise described service server IP address sends to described sending module.
CN2009102357205A 2009-10-13 2009-10-13 Method, server and system for domain name resolution Pending CN102045411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102357205A CN102045411A (en) 2009-10-13 2009-10-13 Method, server and system for domain name resolution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102357205A CN102045411A (en) 2009-10-13 2009-10-13 Method, server and system for domain name resolution

Publications (1)

Publication Number Publication Date
CN102045411A true CN102045411A (en) 2011-05-04

Family

ID=43911169

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009102357205A Pending CN102045411A (en) 2009-10-13 2009-10-13 Method, server and system for domain name resolution

Country Status (1)

Country Link
CN (1) CN102045411A (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102223422A (en) * 2011-08-02 2011-10-19 杭州迪普科技有限公司 Domain name system (DNS) message processing method and network safety equipment
CN102647341A (en) * 2012-03-28 2012-08-22 北京星网锐捷网络技术有限公司 Message processing method, device and system
CN103237089A (en) * 2013-05-16 2013-08-07 广东睿江科技有限公司 Method and device for repairing domain name system (DNS) polling mode-based webpages and server
CN103347062A (en) * 2013-06-24 2013-10-09 北京汉柏科技有限公司 Virtual computing resource distribution method
CN104144123A (en) * 2013-05-10 2014-11-12 中国电信股份有限公司 Method and system for having access to internet and routing type gateway device
CN104519148A (en) * 2013-09-30 2015-04-15 中国电信股份有限公司 Method and system for detecting accessibility of addresses of application servers
CN104660727A (en) * 2015-02-10 2015-05-27 深圳市博瑞得科技有限公司 Service identification method based on DNS (Domain Name Server) and system of method
CN104852999A (en) * 2015-04-14 2015-08-19 鹤壁西默通信技术有限公司 Method for processing continuous service of servers based on DNS resolution
CN104954507A (en) * 2015-06-23 2015-09-30 中国互联网络信息中心 Domain name resolution method and system adopting data optimization
CN105025114A (en) * 2014-04-17 2015-11-04 中国电信股份有限公司 Domain name resolution method and domain name resolution system
CN105472051A (en) * 2014-09-02 2016-04-06 中国电信股份有限公司 Method, device and system for improving domain name resolution reliability
CN103916332B (en) * 2014-04-01 2017-02-08 珠海市君天电子科技有限公司 Method and server for allocating network resources
CN106713503A (en) * 2017-02-17 2017-05-24 北京趣拿软件科技有限公司 Method and device for acquiring information of business server in real time
CN107395783A (en) * 2017-07-25 2017-11-24 北京奇艺世纪科技有限公司 A kind of IP address processing method, system, device and electronic equipment
CN107592291A (en) * 2017-07-25 2018-01-16 北京奇艺世纪科技有限公司 A kind of IP address detection method, system, device and electronic equipment
CN108199926A (en) * 2018-01-31 2018-06-22 维沃移动通信有限公司 A kind of building method, relevant device and the system of mobile terminal virtual system
CN109391703A (en) * 2017-08-10 2019-02-26 阿里巴巴集团控股有限公司 Domain name analytic method, device, equipment and computer storage medium
CN110098978A (en) * 2019-04-12 2019-08-06 网宿科技股份有限公司 A kind of test method, device and the network equipment of DNS scheduling
CN110635965A (en) * 2019-08-19 2019-12-31 北京基调网络股份有限公司 IPv6 network quality monitoring method, equipment and storage medium
CN113364873A (en) * 2021-06-08 2021-09-07 中国联合网络通信集团有限公司 Traffic scheduling method and equipment
CN113497727A (en) * 2020-04-01 2021-10-12 中国移动通信集团辽宁有限公司 SAE gateway fault processing method and system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030055954A1 (en) * 2001-09-18 2003-03-20 Alan Kavanagh Adaptive node selection
CN101287011A (en) * 2008-05-26 2008-10-15 蓝汛网络科技(北京)有限公司 Method, system and device for responding service request from user in content distributing network
CN101494659A (en) * 2008-01-24 2009-07-29 中国移动通信集团公司 Method and relevant equipment for selecting session control device
CN101542463A (en) * 2006-08-04 2009-09-23 泰克莱克公司 Inhibiting message traffic to an unavailable terminating SIP server

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030055954A1 (en) * 2001-09-18 2003-03-20 Alan Kavanagh Adaptive node selection
CN101542463A (en) * 2006-08-04 2009-09-23 泰克莱克公司 Inhibiting message traffic to an unavailable terminating SIP server
CN101494659A (en) * 2008-01-24 2009-07-29 中国移动通信集团公司 Method and relevant equipment for selecting session control device
CN101287011A (en) * 2008-05-26 2008-10-15 蓝汛网络科技(北京)有限公司 Method, system and device for responding service request from user in content distributing network

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102223422B (en) * 2011-08-02 2014-07-09 杭州迪普科技有限公司 Domain name system (DNS) message processing method and network safety equipment
CN102223422A (en) * 2011-08-02 2011-10-19 杭州迪普科技有限公司 Domain name system (DNS) message processing method and network safety equipment
CN102647341A (en) * 2012-03-28 2012-08-22 北京星网锐捷网络技术有限公司 Message processing method, device and system
CN102647341B (en) * 2012-03-28 2014-10-29 北京星网锐捷网络技术有限公司 Message processing method, device and system
CN104144123B (en) * 2013-05-10 2017-06-16 中国电信股份有限公司 Access method, system and the route type gateway apparatus of internet
CN104144123A (en) * 2013-05-10 2014-11-12 中国电信股份有限公司 Method and system for having access to internet and routing type gateway device
CN103237089A (en) * 2013-05-16 2013-08-07 广东睿江科技有限公司 Method and device for repairing domain name system (DNS) polling mode-based webpages and server
CN103347062A (en) * 2013-06-24 2013-10-09 北京汉柏科技有限公司 Virtual computing resource distribution method
CN104519148B (en) * 2013-09-30 2019-02-26 中国电信股份有限公司 The accessible detecting method and system of application server address
CN104519148A (en) * 2013-09-30 2015-04-15 中国电信股份有限公司 Method and system for detecting accessibility of addresses of application servers
CN103916332B (en) * 2014-04-01 2017-02-08 珠海市君天电子科技有限公司 Method and server for allocating network resources
CN105025114A (en) * 2014-04-17 2015-11-04 中国电信股份有限公司 Domain name resolution method and domain name resolution system
CN105472051A (en) * 2014-09-02 2016-04-06 中国电信股份有限公司 Method, device and system for improving domain name resolution reliability
CN104660727A (en) * 2015-02-10 2015-05-27 深圳市博瑞得科技有限公司 Service identification method based on DNS (Domain Name Server) and system of method
CN104852999A (en) * 2015-04-14 2015-08-19 鹤壁西默通信技术有限公司 Method for processing continuous service of servers based on DNS resolution
CN104954507B (en) * 2015-06-23 2018-09-18 中国互联网络信息中心 The preferred domain name analytic method of data and system
CN104954507A (en) * 2015-06-23 2015-09-30 中国互联网络信息中心 Domain name resolution method and system adopting data optimization
CN106713503A (en) * 2017-02-17 2017-05-24 北京趣拿软件科技有限公司 Method and device for acquiring information of business server in real time
CN107592291A (en) * 2017-07-25 2018-01-16 北京奇艺世纪科技有限公司 A kind of IP address detection method, system, device and electronic equipment
CN107395783A (en) * 2017-07-25 2017-11-24 北京奇艺世纪科技有限公司 A kind of IP address processing method, system, device and electronic equipment
CN107395783B (en) * 2017-07-25 2020-08-28 北京奇艺世纪科技有限公司 IP address processing method, system, device and electronic equipment
CN109391703A (en) * 2017-08-10 2019-02-26 阿里巴巴集团控股有限公司 Domain name analytic method, device, equipment and computer storage medium
CN108199926A (en) * 2018-01-31 2018-06-22 维沃移动通信有限公司 A kind of building method, relevant device and the system of mobile terminal virtual system
CN110098978A (en) * 2019-04-12 2019-08-06 网宿科技股份有限公司 A kind of test method, device and the network equipment of DNS scheduling
CN110098978B (en) * 2019-04-12 2021-02-26 网宿科技股份有限公司 DNS scheduling test method and device, network equipment and storage medium
CN110635965A (en) * 2019-08-19 2019-12-31 北京基调网络股份有限公司 IPv6 network quality monitoring method, equipment and storage medium
CN113497727A (en) * 2020-04-01 2021-10-12 中国移动通信集团辽宁有限公司 SAE gateway fault processing method and system
CN113497727B (en) * 2020-04-01 2024-02-27 中国移动通信集团辽宁有限公司 SAE gateway fault processing method and system
CN113364873A (en) * 2021-06-08 2021-09-07 中国联合网络通信集团有限公司 Traffic scheduling method and equipment

Similar Documents

Publication Publication Date Title
CN102045411A (en) Method, server and system for domain name resolution
US7467203B2 (en) System and methods for robust discovery of servers and services in a heterogeneous environment
CN103501486B (en) A kind of information push method and push server
KR101154799B1 (en) Dns wildcard beaconing to determine client location and resolver load for global traffic load balancing
CN102148752B (en) Routing implementing method based on content distribution network and related equipment and system
US7228359B1 (en) Methods and apparatus for providing domain name service based on a client identifier
CN103856436B (en) Method, home gateway and the Internet of selecting network by user equipment layer protocol
US20090222582A1 (en) Failover in an internet location coordinate enhanced domain name system
CN101800760B (en) Realization method and system for accessing data service
CN110493366B (en) Method and device for adding access point into network management
CN104519148B (en) The accessible detecting method and system of application server address
CN103581351B (en) The method and apparatus of network access
CN101771604B (en) Routing detection method, system and intermediate routing device
CN102055816A (en) Communication method, business server, intermediate equipment, terminal and communication system
CN103685590A (en) Method and system for obtaining IP (internet protocol) address
CN103685584A (en) Method and system of resisting domain name hijacking based on tunnelling
US20070274274A1 (en) Open wireless access point detection and identification
US20120189022A1 (en) User access method, system, access server, and access device
CN106302384A (en) DNS message processing method and device
CN102387083B (en) Network access control method and system
CN103841159B (en) Offline file transmission system and method
CN100414936C (en) Method for balancing load between multi network cards of network file system server
CN106411727A (en) Message processing method and device and autonomous system
CN102801745B (en) Method and system for accessing local area network WEB site by using wide area network browser
CN111600929B (en) Transmission line detection method, routing strategy generation method and proxy server

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20110504