CN104468853A - Domain name resolution method, server and system - Google Patents
Domain name resolution method, server and system Download PDFInfo
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- CN104468853A CN104468853A CN201310430085.2A CN201310430085A CN104468853A CN 104468853 A CN104468853 A CN 104468853A CN 201310430085 A CN201310430085 A CN 201310430085A CN 104468853 A CN104468853 A CN 104468853A
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- domain name
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- state information
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Classifications
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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
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4552—Lookup mechanisms between a plurality of directories; Synchronisation of directories, e.g. metadirectories
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
Abstract
The invention provides a domain name resolution method, a server and a system. The method comprises the steps that a final domain name server receives a domain name resolution request; and the final domain name server performs domain name resolution by combining user information and local maintained network resource and status information. Through adoption of the domain name resolution method, the server and the system, the domain name resolution and load balancing of the network status can be sensed more precisely, and network status information can be sensed dynamically and acquired, so that the best domain name resolution service and load balancing service can be provided for users, and user service experience can be better improved.
Description
Technical field
The present invention relates to computer communication network, or rather, relate to a kind of domain name analytic method, server and system.
Background technology
DNS(Domain Name System, domain name system) technology is as internet(the Internet) key technology, always along with internet development, be the basis of the Internet high speed development.DNS technology achieves effective mapping of domain name and IP address, make user need not remember complicated IP(InternetProtocol, the agreement interconnected between network) address, only need to provide corresponding domain name just can realize the access of Internet resources, greatly facilitate the internet use of user, facilitate the Internet, especially Web(webpage) high speed development of business.
At present, existing typical domain name resolution process as shown in Figure 1: DNS domain name system includes local domain name server, root name server, secondary/tri-grade name server, final name server.Wherein, local domain name server, be generally subscription client configuration, specify or from ISP(Internet ServiceProvider, ISP) place obtain name server, the domain name record that buffer memory is commonly used and the inquiry of the domain name of proxy user; Root name server, i.e. existing network DNS root server, be responsible for storing the relevant information in root area, and provide service for all nodes in root area; Secondary/tri-grade name server, the i.e. name server in each region, such as: cn name server, edu.cn name server; Final name server referred to herein as the final name server safeguarding concrete domain name and IP address, as: the name server of sina.com.Domain name mapping business processing flow is as follows:
Step 11, the request of subscription client initiated domain name analysis; Because subscription client one general configuration specifies dns server, or during Dynamic Acquisition address, the dns server information obtained in the lump, makes subscription client can initiate domain name request to local domain name server;
Step 12, after local domain name server receives user's domain name request, inquiry local cache, as there being corresponding DNS record in local cache, then to client returns to field name analysis result, if inquiry is less than corresponding DNS record, then superior name server request domain name analysis; Herein, arrange and inquire about to root name server; Therefore, when there is not corresponding domain name record in local cache, local domain name server proxy user domain name mapping request, to the request of root name server initiated domain name analysis;
Step 13, after root name server receives domain name mapping request, returns corresponding secondary domain servers information to local domain name server, and instruction local domain name server is to the request of secondary domain servers initiated domain name analysis;
Step 14, after local domain name server obtains secondary domain servers information, to the request of secondary domain servers initiated domain name analysis;
Step 15, after secondary domain servers receives domain name mapping request, returns next stage (three grades) domain name server information to local domain name server, Recursion process like this, until provide final domain name server information for user;
Step 16, after local domain name server obtains final domain name server information, to the request of final name server initiated domain name analysis;
Step 17, after final name server receives domain name mapping request, the domain name recorded information safeguarded according to self, provides corresponding domain name mapping result, and returns this domain name mapping result to local domain name server;
Step 18, after local domain name server obtains domain name mapping result, to client returns to field name analysis result.
Along with the fast development of Internet service, the explosive growth of userbase, makes the burden of Internet service application server sharply increase, and single server and service node are difficult to the demand meeting a large number of users access, thus, there is DNS load-balancing technique.DNS load-balancing method main at present has three kinds substantially: Random Load equilibrium, poll load balancing, according to IP address section load balancing.
Random Load balanced way is that in optional server, carry out Random assignment and selection, generation analysis result returns to user by dns server according to after the user's DNS request received.A large amount of users can access and share multiple server at random by this kind of mode, but the effect of load balancing is difficult to control, and has randomness;
Poll load balancing mode, be by dns server according to after the user's DNS request received, carry out in optional server poll distribution and select generate analysis result return to user.A large amount of users access can be shared multiple server by this kind of mode fifty-fifty, thus reduces the burden of server, improves systematic function and extensibility; But still come with some shortcomings, only address only the problem of server load, the problem caused due to network quality difference cannot be solved;
According to the mode of IP address section load balancing, according to after the user's DNS request received by dns server, according to the IP address field at user place, divide the server being coordinated in heterogeneous networks, such as: for the user of operator A distributes the server being connected to operator A, user for operator B distributes and is connected to the server of operator B, thus can solve the ropy problem of application access that cross operator network brings.Concrete implementation is as shown in Figure 2:
Step 21, the request of subscription client initiated domain name analysis; Because subscription client one general configuration specifies dns server, or during Dynamic Acquisition address, the dns server information obtained in the lump, makes subscription client can initiate domain name request to local domain name server;
After step 22, local domain name server receive user's domain name request, inquiry local cache, as there being corresponding DNS record in local cache, then to client returns to field name analysis result, if inquiry is less than corresponding DNS record, then superior name server request domain name analysis; Herein, arrange and inquire about to root name server; Therefore, when there is not corresponding domain name record in local cache, local domain name server proxy user domain name mapping request, to the request of root name server initiated domain name analysis;
After step 23, root name server receive domain name mapping request, return corresponding secondary domain servers information to local domain name server, instruction local domain name server is to the request of secondary domain servers initiated domain name analysis;
After step 24, local domain name server obtain secondary domain servers information, to the request of secondary domain servers initiated domain name analysis;
After step 25, secondary domain servers receive domain name mapping request, return next stage (three grades) domain name server information to local domain name server, Recursion process like this, until provide final domain name server information for user;
After step 26, local domain name server obtain final domain name server information, to the request of final name server initiated domain name analysis;
After step 27, final name server receive domain name mapping request, according to the DNS load balancing of setting, implement load balancing; Random Load can be adopted to share mode, poll load balancing mode or carry out domain name mapping according to IP address section load balancing mode.After obtaining domain name mapping result, to local domain name server returns to field name analysis result;
After step 28, local domain name server obtain domain name mapping result, to client returns to field name analysis result.
Can find out from above analysis, current DNS load-balancing technique can solve single server, the problem of single node high load capacity, can solve cross operator network and cause the ropy problem of Operational Visit, can promote the business experience of user to a certain extent.But the mode of current DNS load balancing is still too coarse and dogmatic.On other occasions, the access quality outside net may be better than the access quality in net.In addition, when belonging to same carrier network, server may be deployed in different network areas, and the network quality in heterogeneous networks region there are differences, and directly can affect the business experience of user.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of domain name analytic method, server and system, with dynamic sensing and acquisition network state information, for user provides optimum domain name mapping and load balancing service.
In order to solve the problems of the technologies described above, the invention provides a kind of domain name analytic method, comprising:
The request of final name server acceptance domain name analysis;
The Internet resources that described final name server is safeguarded in conjunction with information and this locality of user and state information carry out domain name mapping.
Further, said method also has feature below: described final name server carries out, in the process of domain name mapping, also comprising:
The Internet resources and state information of described final name server as local maintenance detected can not meet the needs of domain name mapping, then send Internet resources and state information searching request;
After described final name server receives asked Internet resources and state information, in conjunction with user information and upgrade after Internet resources and state information carry out domain name mapping.
Further, said method also has feature below:
Described final name server is come in local maintenance Internet resources and state information by Internet resources and state information table.
In order to solve the problem, present invention also offers a kind of server, as final name server, wherein, comprise:
Receiver module, for the request of acceptance domain name analysis, is then transferred to domain name mapping module;
Domain name parsing module, after receiving domain name mapping request, the Internet resources that information and this locality in conjunction with user are safeguarded and state information table carry out domain name mapping.
Further, above-mentioned server also has feature below: also comprise enquiry module and maintenance module,
Domain name parsing module, Internet resources and state information also for local maintenance such as being detected in the process of carrying out domain name mapping can not meet the needs of domain name mapping, then notify described enquiry module; Domain name mapping is carried out for the Internet resources after upgrading in conjunction with the information of user and described maintenance module and state information;
Described enquiry module, sends Internet resources and state information searching request after receiving notice, and receives the Internet resources and state information of asking, and is transferred to described maintenance module;
Described maintenance module, in local maintenance Internet resources and state information, and upgrades local Internet resources and state information after receiving Internet resources and state information that described enquiry module transmits.
Further, above-mentioned server also has feature below:
Described maintenance module, comes maintaining network resource and state information by Internet resources and state information table.
In order to solve the problem, present invention also offers a kind of domain name analysis system, wherein, comprise: the server as described in any one of claim 4-6 is as final name server.
To sum up, the invention provides a kind of domain name analytic method, server and system can the domain name mapping of more accurate sensing network state and load balancing, can dynamic sensing and obtain network state information, for user provides optimum domain name mapping and load balancing service, the better customer service that promotes is experienced.
Accompanying drawing explanation
Fig. 1 is existing typical domain name mapping business procession figure;
Fig. 2 is existing typical domain name mapping and load balancing business procession figure;
Fig. 3 is the flow chart of a kind of domain name analytic method of the embodiment of the present invention;
Fig. 4 is the flow chart of the domain name analytic method of the present invention one application example;
Fig. 5 is the schematic diagram of the final name server of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Fig. 3 is the flow chart of a kind of domain name analytic method of the embodiment of the present invention, and as shown in Figure 3, the domain name analytic method of the present embodiment comprises:
S11, final name server acceptance domain name analysis request;
The Internet resources that S12, final name server are safeguarded in conjunction with information and this locality of user and state information carry out domain name mapping.
Final name server carries out domain name mapping in conjunction with Internet resources and state information, domain name mapping can be made can to carry out according to real-time network state, can effectively avoid network congestion node, optimized network flow, optimizing field name analysis result, effective guarantee customer service is experienced.
The method of the present embodiment can also comprise the following steps:
S13, the final Internet resources and state information of name server as local maintenance detected can not meet the needs of domain name mapping, then send Internet resources and state information searching request;
After S14, final name server receive asked Internet resources and state information, carry out domain name mapping in conjunction with the information of user and the Internet resources after upgrading and state information.
By the method for the present embodiment, domain name analysis system dynamic perception and obtain the state information of network, according to the state information of network for user provides optimum dns resolution and load balancing result.
Fig. 4 is the flow chart of the domain name analytic method of the present invention one application example.Comprise in present treatment flow process, client, local domain name server, root name server, secondary/tri-grade name server, final name server, Internet resources and status information server.Wherein, Internet resources and state server have the current resource information of network and state information, as: current network topology, the utilance of each link in current network, the information such as network port state.Concrete business processing flow step is as follows:
Step 101, the request of subscription client initiated domain name analysis; Because subscription client one general configuration specifies dns server, or during Dynamic Acquisition address, the dns server information obtained in the lump, makes subscription client can initiate domain name request to local domain name server;
After step 102, local domain name server receive user's domain name request, proxy user domain name mapping request, to the request of root name server initiated domain name analysis;
After step 103, root name server receive domain name mapping request, return corresponding secondary domain servers information to local domain name server, instruction local domain name server is to the request of secondary domain servers initiated domain name analysis;
After step 104, local domain name server obtain secondary domain servers information, to the request of secondary domain servers initiated domain name analysis;
After step 105, secondary domain servers receive domain name mapping request, return next stage (three grades) domain name server information to local domain name server, Recursion process like this, until provide final domain name server information for user;
After step 106, local domain name server obtain final domain name server information, to the request of final name server initiated domain name analysis;
After step 107, final name server receive domain name mapping request, carry out domain name mapping process;
After final name server receives domain name mapping request, carry out domain name mapping process.This final name server is the domain name analysis system of state Network Based, safeguards current network resources and state information table, and can inquire about and Internet resources needed for obtaining and state information to Internet resources and status information server as required.When the information of final domain name server maintenance can meet the needs of domain name mapping and load balancing, directly domain name mapping and load balancing can be carried out according to the network state information of local maintenance; When the information of final name server local maintenance can not meet domain name mapping and load balancing, to the Internet resources needed for Internet resources and status information server inquiry and state information; Described Internet resources and status information server have the current resource information of network and state information.
Step 108, Internet resources and status information server return corresponding Internet resources and state information to final name server after receiving the network state information inquiry request of final name server;
Step 109, final name server are by after the Internet resources needed for inquiry acquisition and state information, domain name mapping and load balancing is implemented in conjunction with the information of user and Internet resources and state information, for user selects optimum service node, formative region name analysis result, and return this domain name mapping result to local domain name server;
In addition, final name server has Internet resources and state information table in local maintenance, after the Internet resources needed for inquiry acquisition and state information, upgrades the Internet resources and state information self safeguarded.
After step 110, local domain name server receive domain name mapping result, to client returns to field name analysis result.
Fig. 5 is the schematic diagram of the final name server of the embodiment of the present invention, and as shown in Figure 5, the final name server of the present embodiment comprises:
Receiver module, for the request of acceptance domain name analysis, is then transferred to domain name mapping module;
Domain name parsing module, after receiving domain name mapping request, the Internet resources that information and this locality in conjunction with user are safeguarded and state information table carry out domain name mapping.
In a preferred embodiment, described final name server can also comprise: enquiry module and maintenance module,
Domain name parsing module, Internet resources and state information also for local maintenance such as being detected in the process of carrying out domain name mapping can not meet the needs of domain name mapping, then notify described enquiry module; Domain name mapping is carried out for the Internet resources after upgrading in conjunction with the information of user and described maintenance module and state information;
Described enquiry module, sends Internet resources and state information searching request after receiving notice, and receives the Internet resources and state information of asking, and is transferred to described maintenance module;
Described maintenance module, in local maintenance Internet resources and state information, and upgrades the local Internet resources safeguarded and state information after receiving Internet resources and state information that described enquiry module transmits.
Wherein, described maintenance module, is come in local maintenance Internet resources and state information by Internet resources and state information table.
Enquiry module is responsible for Internet resources externally and the Internet resources needed for status information server inquiry and state information, and by internal interface and domain name mapping module alternately, this internal interface can self-defining as required.
After final name server receives the domain name mapping request of user, according to the strategy of configuration, determine whether implement domain name mapping and load balancing according to network state information.When needs carry out domain name mapping and load balancing in conjunction with network state information, final name server can carry out resolving and load balancing according to the network state information of local maintenance, or after the Internet resources needed for Internet resources and status information server inquiry and state information, carries out domain name mapping and load balancing in real time.
A kind of domain name analysis system that the embodiment of the present invention provides and method, in the process of domain name mapping, add the process of Internet resources and status poll and acquisition, and be optimized according to the Business Processing of network state information to domain name mapping and load balancing, the domain name mapping providing more suitable for user and optimize and load balancing result, promote the experience that user uses business.
The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize.Correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
These are only the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (7)
1. a domain name analytic method, comprising:
The request of final name server acceptance domain name analysis;
The Internet resources that described final name server is safeguarded in conjunction with information and this locality of user and state information carry out domain name mapping.
2. the method for claim 1, is characterized in that: described final name server carries out, in the process of domain name mapping, also comprising:
The Internet resources and state information of described final name server as local maintenance detected can not meet the needs of domain name mapping, then send Internet resources and state information searching request;
After described final name server receives asked Internet resources and state information, in conjunction with user information and upgrade after Internet resources and state information carry out domain name mapping.
3. method as claimed in claim 1 or 2, is characterized in that:
Described final name server is come in local maintenance Internet resources and state information by Internet resources and state information table.
4. a server, as final name server, is characterized in that, comprising:
Receiver module, for the request of acceptance domain name analysis, is then transferred to domain name mapping module;
Domain name parsing module, after receiving domain name mapping request, the Internet resources that information and this locality in conjunction with user are safeguarded and state information table carry out domain name mapping.
5. server as claimed in claim 4, is characterized in that: also comprise enquiry module and maintenance module,
Domain name parsing module, Internet resources and state information also for local maintenance such as being detected in the process of carrying out domain name mapping can not meet the needs of domain name mapping, then notify described enquiry module; Domain name mapping is carried out for the Internet resources after upgrading in conjunction with the information of user and described maintenance module and state information;
Described enquiry module, sends Internet resources and state information searching request after receiving notice, and receives the Internet resources and state information of asking, and is transferred to described maintenance module;
Described maintenance module, in local maintenance Internet resources and state information, and upgrades local Internet resources and state information after receiving Internet resources and state information that described enquiry module transmits.
6. the server as described in claim 4 or 5, is characterized in that:
Described maintenance module, comes maintaining network resource and state information by Internet resources and state information table.
7. a domain name analysis system, is characterized in that, comprising: the server as described in any one of claim 4-6 is as final name server.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430085.2A CN104468853A (en) | 2013-09-18 | 2013-09-18 | Domain name resolution method, server and system |
| PCT/CN2014/080647 WO2015039475A1 (en) | 2013-09-18 | 2014-06-24 | Method, server, and system for domain name resolution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430085.2A CN104468853A (en) | 2013-09-18 | 2013-09-18 | Domain name resolution method, server and system |
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| CN104468853A true CN104468853A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310430085.2A Withdrawn CN104468853A (en) | 2013-09-18 | 2013-09-18 | Domain name resolution method, server and system |
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| CN (1) | CN104468853A (en) |
| WO (1) | WO2015039475A1 (en) |
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| CN105872125A (en) * | 2016-03-30 | 2016-08-17 | 中国联合网络通信集团有限公司 | Domain name resolution method and apparatus |
| CN106487840A (en) * | 2015-08-27 | 2017-03-08 | 中国移动通信集团公司 | A kind of determination method of content server, platform and dispatch server |
| CN107317880A (en) * | 2017-08-08 | 2017-11-03 | 郑州云海信息技术有限公司 | A kind of method and device for realizing load balancing |
| CN110474994A (en) * | 2018-05-10 | 2019-11-19 | 中国移动通信集团有限公司 | Domain name analytic method, device, electronic equipment and storage medium |
| CN111049943A (en) * | 2019-12-05 | 2020-04-21 | 北京小米移动软件有限公司 | Method, device, equipment and medium for analyzing domain name |
| CN111064822A (en) * | 2019-12-23 | 2020-04-24 | 北京丁牛科技有限公司 | User tracking method and device and electronic equipment |
| CN111711716A (en) * | 2020-08-20 | 2020-09-25 | 苏州浪潮智能科技有限公司 | Domain name resolution method, device and equipment and readable storage medium |
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| CN111064822A (en) * | 2019-12-23 | 2020-04-24 | 北京丁牛科技有限公司 | User tracking method and device and electronic equipment |
| CN111711716A (en) * | 2020-08-20 | 2020-09-25 | 苏州浪潮智能科技有限公司 | Domain name resolution method, device and equipment and readable storage medium |
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| WO2015039475A1 (en) | 2015-03-26 |
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