CN103905574B - A kind of DNS Operational Visits method, DNS data synchronous method and equipment - Google Patents
A kind of DNS Operational Visits method, DNS data synchronous method and equipment Download PDFInfo
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Abstract
The present invention discloses a kind of DNS data synchronous method, DNS Operational Visit method and apparatus, and domain name mapping DNS Operational Visit methods include：Dns server is received after the domain name mapping request of client device transmission, if not inquiring corresponding domain name mapping rule from local cache, judges that the domain name of institute's request analysis whether there is in home domain name list；If the dns server judges that the domain name of institute's request analysis is present in home domain name list, domain name analysis request is sent to content management server；The dns server is received after the domain name mapping result that the content management server is returned, and domain name analysis result is returned into the client device.
Description
Technical field
The present invention relates to technical field of communication network, more particularly to a kind of DNS Operational Visits method, DNS data synchronization side
Method and equipment.
Background technology
As network technology is continued to develop, data service constantly increases, and increasing operator is by introducing content pipe
Server is managed, DNS (Domain Name System, domain name system) domain name mapping result is managed, and then is realized to mutual
The control of networking flow.Content management server can be according to content supplier（Content Provider, CP）The domain of offer
Name resolution rules, interior each DNS system journals are netted to this operator and carry out data mining, it is focus domain in net to judge which domain name
Name, by going out net iterative resolution, or and Cache（Caching）System is interacted, and ultimately generates focus domain name in this operator net
Domain name mapping rule.Generally, Content Management Platform passes through XML（Extensible Markup Language, extensible markup
Language）Interface translates domain names into rule and is issued to each DNS equipment, and each dns server reads XML file, and changes into local
Domain name mapping rule, so as to realize that dns server is parsed according to the domain name mapping rule of content management server.
However, there are the following problems for existing scheme：CP can adjust domain name resolution rules at any time, be not introduced into Content Management
In the case of server, dns server periodically inquires about CP dns servers according to TTL, to obtain newest domain name mapping rule,
And this no function of XML interface, therefore, dns server need to monitor domain name mapping rule in real time, dns server is consumed
Resource.
Therefore, need a kind of DNS Operational Visits scheme badly and DNS data synchronization scenario occurs, to solve above-mentioned technology
Problem.
The content of the invention
The embodiments of the invention provide a kind of DNS Operational Visits method and apparatus, to avoid the resource of dns server from disappearing
Consumption, shares the pressure of dns server.
To achieve these goals, the embodiment of the present invention uses following technological means：
The embodiment of the present invention provides a kind of DNS Operational Visits method, and methods described includes：
Dns server is received after the domain name mapping request of client device transmission, if not inquired from local cache
Corresponding domain name mapping rule, then judge that the domain name of institute's request analysis whether there is in home domain name list；
If the dns server judges that the domain name of institute's request analysis is present in home domain name list, to Content Management
Server sends domain name analysis request；
The dns server is received after the domain name mapping result that the content management server is returned, by domain name
Analysis result returns to the client device.
The embodiment of the present invention also provides a kind of dns server, including：
Domain name mapping request processing module, for after the domain name mapping request of client device transmission is received, passing through
First enquiry module inquires about corresponding domain name mapping rule from local cache, if not inquiring corresponding domain name mapping rule,
The domain name for then inquiring about institute's request analysis by the second enquiry module whether there is in home domain name list, if being present in local domain
In list of file names, then domain name analysis request is sent to content management server；And, returned receiving the content management server
After the domain name mapping result returned, domain name analysis result is returned into the client device；
First enquiry module, is same as inquiring about the domain name mapping rule of institute's request analysis domain name from local cache；
Second enquiry module, the domain name for inquiring about institute's request analysis from home domain name list.
The embodiment of the present invention also provides a kind of content management server, including：
Receiving module, the domain name mapping request for receiving dns server transmission；Wherein, domain name analysis request is
The dns server does not inquire corresponding domain name mapping rule from local cache, and judges that the domain name of institute's request analysis is deposited
Sent after being in home domain name list；
Domain name mapping module, for carrying out domain name mapping according to domain name analysis request；
Sending module, for the domain name mapping result of domain name parsing module to be returned into the dns server.
Compared with prior art, the above embodiment of the present invention has following advantageous effects：
DNS Operational Visits scheme provided in an embodiment of the present invention, by configuring domain name list on a dns, is sentencing
Break institute's request analysis domain name be present in home domain name list after, to content management server send domain name mapping please
Ask, dns resolution is carried out by content management server, the embodiment of the present invention adds DNS domain name solution on content management server
The function of analysis, will transfer to content management server to handle the domain name mapping of the domain name in domain name list request, it is to avoid content
Domain name mapping rule in management server can not be handed down to what domain name mapping success rate caused by dns server was reduced in time
Problem, dns server saves the resource consumption of dns server without real-time monitoring domain name mapping rule.
The embodiments of the invention provide a kind of DNS data synchronous method and equipment, to realize dns server domain name mapping
Rule is real-time, automatically update, and improves the success rate of DNS name resolution.
To achieve these goals, the embodiment of the present invention uses following technological means：
The embodiment of the present invention also provides a kind of DNS data synchronous method, and methods described includes：
Dns server sends domain name resolution rules serial number request to content management server；
Content management server is returned according to domain name resolution rules serial number request to the content management server
The sequence number of domain name mapping rule；
The dns server is less than the content management service in the sequence number for the domain name mapping rule for judging book server
During the domain name mapping regular sequence row number that device is returned, send domain name resolution rules to the content management server and update request；
The content management server sends domain name resolution rules according to the dns server and updates request, to the DNS
Server returns to domain name resolution rules；
The local domain name mapping rule of domain name mapping Policy Updates that the dns server is returned according to the dns server
Then.
The embodiment of the present invention also provides a kind of content management server, including：
Domain name mapping regular sequence row number request processing module, for receiving the domain that its administrative dns server is sent
After name resolution rules serial number request, the sequence number of the domain name mapping rule on book server is sent to the dns server；
Domain name mapping Policy Updates request processing module, for receiving the domain name mapping that the dns server is sent
After Policy Updates request, the domain name mapping rule on book server is returned into the dns server；Wherein, domain name solution
It is the dns server to analyse Policy Updates request, and the sequence number of the domain name mapping rule on book server is judged is less than described
Sent after the sequence number of domain name mapping rule on content management server.
The embodiment of the present invention also provides a kind of dns server, including：
Domain name mapping regular sequence row number request module, for sending domain name resolution rules sequence number to content management server
After request, the sequence number for the domain name mapping rule that the content management server is returned is received；
Domain name mapping Policy Updates request module, for being less than in the sequence number for the domain name mapping rule for judging book server
During the domain name mapping regular sequence row number that the content management server is returned, domain name mapping is sent to the content management server
Policy Updates are asked, and receive the domain name mapping rule that the content management server is returned；
Domain name mapping Policy Updates module, for according to the local domain name mapping rule of the domain name mapping Policy Updates received
Then.
Compared with prior art, the above embodiment of the present invention has following advantageous effects：
DNS data synchronization scenario provided in an embodiment of the present invention, domain is obtained by dns server to content management server
Name resolution rules sequence number, and compared with the domain name mapping regular sequence row number of this equipment, judging to need to update domain name mapping
When regular, the domain name mapping rule on content management server is obtained at content management server；Once CP is managed it
DNS data is adjusted, and newest DNS data can be synchronized to dns server by content management server automatically, in time,
Domain name mapping success rate is improved, dns server monitors domain name mapping rule without real-time, saves the money of dns server
Source.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of the embodiment of the present invention；
Fig. 2 is the synchronous schematic flow sheet of DNS data provided in an embodiment of the present invention；
Fig. 3 is one of DNS Operational Visits schematic flow sheet provided in an embodiment of the present invention；
Fig. 4 is one of content management server structural representation provided in an embodiment of the present invention；
Fig. 5 is one of structural representation of dns server provided in an embodiment of the present invention；
Fig. 6 is the two of DNS Operational Visits schematic flow sheet provided in an embodiment of the present invention；
Fig. 7 is the two of dns server structural representation provided in an embodiment of the present invention；
Fig. 8 is the two of content management server structural representation provided in an embodiment of the present invention.
Embodiment
The embodiments of the invention provide a kind of DNS data synchronization scenario, to realize that dns server domain name mapping rule is real
When, automatically update, improve DNS name resolution success rate.The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Fig. 1 shows the system architecture that the embodiment of the present invention is applicable, including：CP dns servers 10, Content Management clothes
Business device 20 and dns server 30.CP dns servers 10 are used for the domain name mapping rule for storing and managing each website of CP；Content
Management server 20 is used for the domain name mapping rule for generating focus domain name in this operator net；Dns server 30 is used for for using
The domain name mapping request that family is initiated, carries out domain name mapping processing.Signified DNS data is domain name mapping in the embodiment of the present invention
Rule.
The embodiments of the invention provide a kind of synchronous flow of DNS data, the domain name mapping regular and synchronized of renewal to be arrived
In dns server, wherein, AXFR can be utilized between content management server and dns server（Full zone
Transfer, all area transmissions）Pattern or IXFR（Incremental zonetransfer, incremental area transmission）Pattern is entered
The transmission of row domain name mapping rule.Below in conjunction with Fig. 2, the synchronous flow of DNS data is described in detail, as illustrated, the flow includes
Following steps：
Step 201, content management server sends to dns server and notified（notify）Message.
Specifically, when the domain name mapping rule on content management server updates, content management server is to DNS
Server sends notify message, to notify dns server to start domain name mapping regular and synchronized flow.
For example, system journal of the content management server to dns server carries out data mining, judge and obtain this operation
Focus domain name in business's network, by going out net iterative resolution, or with caching（Cache）System is interacted, and generates this operator
Focus domain name mapping rule in network, and update local focus domain name mapping rule.
Step 202, dns server is received after notify message, and domain name resolution rules are sent to content management server
Serial number request message.
Step 203, content management server is received after the domain name mapping regular sequence row number request message, to dns server
Resolution rules serial number request response message is returned to, wherein carrying content management server domain name mapping regular sequence row number.
Step 204, dns server judges whether the domain name mapping regular sequence row number in this equipment is less than content management service
Domain name mapping regular sequence row number on device, if so, then performing step 205；Otherwise, flow is terminated.
Specifically, dns server analytically gets domain name mapping sequence of rules in regular sequence row number request response
After number, if judging the domain name mapping sequence of rules that domain name mapping regular sequence row number in this equipment is less than on content management server
Number, illustrate that the domain name mapping rule in this equipment is not latest edition, then perform step 205；Otherwise, the domain in this equipment is illustrated
Name resolution rules have been latest edition, without synchronous and renewal, can terminate flow.
Step 205, dns server sends the renewal of domain name resolution rules to content management server and asked, i.e. DNS service
Device sends domain name resolution rules to content management server and updates request message.
Step 206, the domain name mapping rule in this equipment is returned to dns server by content management server.
Specifically, content management server is received after the domain name mapping Policy Updates request message of dns server transmission,
Domain name resolution rules are returned to dns server and update response message, wherein carrying the domain name mapping rule in this equipment.
Content management server can be by the whole domain name mappings stored in this equipment rule（Including the domain name solution not updated
Analysis rule and the domain name mapping rule updated）It is sent to dns server.For example, content management server will by AXFR patterns
Whole domain name mapping rules are sent to dns server.
It is preferred that, in order to save Internet resources, and save the resource consumption of content management server and dns server,
The domain name mapping rule updated only can also be sent to DNS clothes by content management server according to the request of dns server
Business device.For example, dns server can translate domain names into the sequence number of rule less than the domain name solution on the content management server
The sequence number of analysis rule is carried in the request of domain name mapping Policy Updates, and content management server is regular more according to the domain name mapping
Sequence number in new request, corresponding domain name mapping rule is returned to dns server.It is preferred that, content management server passes through
The domain name mapping rule of renewal is sent to dns server by IXFR patterns.
It is preferred that, dns server is after the domain name mapping regular and synchronized for receiving content management server transmission is notified, if not
Receive the domain name mapping regular and synchronized notice of content management server transmission again in setting duration, then can be to content pipe
Manage server and send domain name resolution rules serial number request.
For example, timer can be set on a dns, dns server receives content management server transmission
After domain name mapping Policy Updates response message, start timer, dns server is receiving content management server transmission
After notify message, the timer is deleted.If timer expiry, illustrate that dns server fails in timer timing duration
The notify message of content management server transmission is received, in this case, dns server is actively to content management service
Device sends domain name resolution rules serial number request message, to ensure that dns server can be obtained in content management server in time
Newest domain name mapping rule.The duration of timer can be regular to domain name mapping more according to equipment performance and application scenarios
New demand is different and sets.
Need to point out, in above-mentioned flow, step 201 can also be saved, by dns server according to the setting cycle
Domain name resolution rules serial number request is sent to content management server.
Content management server can be seen that by obtaining domain name to dns server by the synchronous flow of above-mentioned DNS data
Resolution rules sequence number, and compared with the domain name mapping regular sequence row number of this equipment, judging to need to update domain name mapping rule
When then, the domain name mapping rule on content management server is obtained at content management server；Once the DNS that CP is managed it
Data are adjusted, and newest DNS data can be synchronized to dns server by content management server automatically, in time, are improved
Domain name mapping success rate, dns server monitors domain name mapping rule without real-time, saves the resource of dns server.
The embodiment of the present invention also provides a kind of DNS Operational Visit methods realized based on above-mentioned DNS data synchronous method, with
Lower combination Fig. 3, describes DNS Operational Visit flows in detail, as illustrated, the flow comprises the following steps：
Step 301, dns server receives the domain name mapping request that client device is sent.
Step 302, dns server judges corresponding domain name mapping rule whether is inquired in local cache, if inquiring,
Then perform step 303；Otherwise, step 304 is performed.
Step 303, dns server is regular by the domain name mapping inquired（Analysis result）Return to client device.
Step 304, dns server initiates domain name analysis request to CP dns servers.
Specifically, when dns server does not inquire corresponding domain name mapping rule in local cache, then being taken to CP DNS
Business device sends domain name analysis request, to ask CP dns servers to carry out domain name mapping.
Step 305, CP dns servers carry out DNS name resolution, and analysis result is returned into dns server.
Step 306, analysis result is returned to client device by dns server.
Based on identical technical concept, the embodiment of the present invention additionally provides a kind of content management server, as shown in figure 4,
The content management server includes：
Domain name mapping regular sequence row number request processing module 41, for receiving what its administrative dns server was sent
After the request of domain name mapping regular sequence row number, the sequence number of the domain name mapping rule on book server is sent to the DNS service
Device.
Domain name mapping Policy Updates request processing module 42, for receiving the domain name solution that the dns server is sent
Analyse after Policy Updates request, the domain name mapping rule on book server is returned into the dns server；Wherein, domain name
It is the dns server that resolution rules, which update request, and the sequence number of the domain name mapping rule on book server is judged is less than institute
Sent after the sequence number for stating the rule of the domain name mapping on content management server.
Content management server also includes domain name mapping regular and synchronized notification module 43, for being taken to its administrative each DNS
Business device sends domain name resolution rules synchronization notice, and domain name resolution rules synchronization notice is the domain name mapping rule on book server
Sent after then updating.
Wherein, the request of domain name mapping regular sequence row number is that dns server is receiving the content management server transmission
Synchronization notice after send.
Domain name mapping Policy Updates request processing module 42 is specifically for by whole domain name mappings rule on book server
Return to the dns server；Or, the domain name solution that the dns server is asked to update by the content management server
Analysis rule returns to the dns server, wherein, the dns server asks the sequence number of the domain name mapping rule updated
Less than the sequence number of the corresponding domain name resolution rules on the content management server.
Based on identical technical concept, the embodiment of the present invention additionally provides a kind of dns server, as shown in figure 5, the DNS
Server includes：
Domain name mapping regular sequence row number request module 51, for sending domain name resolution rules sequence to content management server
After number request, the sequence number for the domain name mapping rule that the content management server is returned is received.
Domain name mapping Policy Updates request module 52 is small for the sequence number in the domain name mapping rule for judging book server
When the domain name mapping regular sequence row number that the content management server is returned, domain name solution is sent to the content management server
Policy Updates request is analysed, and receives the domain name mapping rule that the content management server is returned.
Domain name mapping Policy Updates module 53, for according to the local domain name mapping of the domain name mapping Policy Updates received
Rule.
Dns server also includes domain name mapping regular and synchronized notification handler module 54, for receiving the Content Management clothes
The domain name mapping regular and synchronized that business device is sent is notified；Wherein, domain name resolution rules synchronization notice is the Content Management clothes
It is engaged in what is sent after domain name mapping rule of the device on book server updates.
It is preferred that, domain name mapping regular sequence row number request module 51 is specific in receiving the content management server
After the domain name mapping regular and synchronized of transmission is notified, domain name resolution rules serial number request is sent to content management server.
Domain name mapping regular sequence row number request module 51 is additionally operable to, and is receiving the domain name that the content management server is sent
After resolution rules synchronization notice, if not receiving the domain name mapping that the content management server is sent again in setting duration
Regular and synchronized is notified, then sends domain name resolution rules serial number request to content management server.
Domain name mapping regular sequence row number request module 51 according to the setting cycle to content management server specifically for sending
Domain name mapping regular sequence row number is asked.
Domain name mapping Policy Updates request module 52 to the content management server specifically for sending domain name mapping rule
Request is then updated, wherein the sequence number for the domain name mapping rule that request updates is carried, the domain name mapping rule that the request updates
Sequence number then is less than the sequence number of the domain name mapping rule on the content management server；Or, for the content
Management server sends domain name resolution rules and updates request, to ask the content management server to return to the content management service
Whole domain name mappings rule on device.
In an alternative embodiment of the invention, content management server passes through forwarding with dns server（forward）Interface is mutual
Connection, the forward interfaces are existing DNS standard interfaces.Be configured with domain name list on a dns, the domain name list by
Human configuration, the domain name included in domain name list is the domain name for needing to be carried out DNS name resolution by content management server.Due to
Content management server is the equipment in carrier network, by setting domain name list, can intercept website domain name to this fortune
Seek in business's network, DNS access services are handled by content management server, so that user can access resource in net nearby, realize
Management and control to DNS name resolution result.
Below in conjunction with the network architecture and Fig. 6 shown in Fig. 1, DNS Operational Visit flows are described in detail, as illustrated, the stream
Journey comprises the following steps：
Step 601, dns server receives the domain name mapping request that client device is sent.
Step 602, dns server inquiry local cache, if inquiring corresponding domain name mapping rule from local cache,
Then perform step 603；Otherwise, step 604 is performed.
If specifically, dns server inquires corresponding domain name mapping rule in local cache, illustrating DNS service
Device once carried out domain name mapping processing to the domain-name information, and result is still stored in caching, performs step 603；If
Record corresponding with the domain-name information is not inquired, then illustrates that dns server was not carried out at domain name mapping to the domain-name information
Reason, performs step 604.
Step 603, the analysis result inquired is returned to client device by dns server.
Step 604, dns server judges that the domain name of institute's request analysis whether there is in home domain name list, if not depositing
It is in home domain name list, then performs step 605；Otherwise, step 607 is performed.
Step 605-606, dns server sends domain name analysis request to CP dns servers, in domain name mapping request
The domain-name information is carried, and after the analysis result of CP dns servers return is received, performs step 609.
Specifically, when dns server finds the domain name not among domain name list, then to CP dns server sending domain
Name analysis request.The domain-name information that CP dns servers are carried in being asked according to domain name mapping, carries out after domain name mapping, will parse
As a result dns server is returned to.
Dns server is received after the analysis result of CP dns servers return, performs step 509.
Step 607, dns server sends domain name analysis request to content management server, with request content management service
Device carries out domain name mapping to the domain name.
Specifically, when dns server is present in home domain name list in the domain name for judging request analysis, domain name is believed
Breath is carried in domain name mapping request, is sent to content management server, and domain name mapping is carried out with request content management server.
Step 608, content management server is asked according to domain name mapping, carries out domain name mapping, and analysis result is returned
To dns server.
Specifically, after content management server is using the domain name mapping request of forward interfaces, to what is wherein carried
Domain-name information carries out domain name mapping, wherein, the implementation process of domain name mapping is same as the prior art, will not be repeated here.
Step 609, analysis result is returned to client device by dns server.
Specifically, the domain name mapping result either obtained by CP dns servers, or pass through content management service
The domain name mapping result that device is obtained, can return to dns server, and dns server, will after domain name mapping result is received
The analysis result returns to client device.
Further, in step 608, if content management server fails to obtain the analysis result of the domain name, to CP
Dns server sends domain name analysis request, to ask CP dns servers to carry out domain name mapping.
It should be noted that if content management server performance is powerful enough, dns server also on can not configure domain
List of file names, when dns server receives the DNS Operational Visits request of client device transmission, and is not inquired about in local cache
During to corresponding domain name mapping rule, dns server directly sends domain name analysis request to content management server.
It is can be seen that by above flow by configuring domain name list on a dns, the request analysis judging
Domain name be present in home domain name list after, to content management server send domain name analysis request, taken by Content Management
Business device carries out dns resolution, and the embodiment of the present invention adds the function of DNS name resolution on content management server, not light energy
Enough share the processing pressure of dns server, and avoid the domain name mapping rule on content management server can not and at present
The problem of domain name mapping success rate caused by dns server is reduced is issued, dns server is without real-time monitoring domain name mapping
Rule, saves the resource consumption of dns server；In addition, content management server uses the DNS interface and DNS service of standard
Device is interconnected, and relative to traditional XML interface, the software and hardware of existing network equipment are cost-effective without transformation, and improve performance
Stability.
Based on identical technical concept, the embodiment of the present invention additionally provides a kind of dns server, as shown in fig. 7, the DNS
Server includes：
Domain name mapping request processing module 71, for after the domain name mapping request of client device transmission is received, leading to
Cross the first enquiry module 72 and corresponding domain name mapping rule is inquired about from local cache, if not inquiring corresponding domain name mapping rule
Then, then the domain name for inquiring about institute's request analysis by the second enquiry module 73 whether there is in home domain name list, if being present in
In home domain name list, then domain name analysis request is sent to content management server；And, receiving the Content Management clothes
It is engaged in after the domain name mapping result of device return, domain name analysis result is returned into the client device.
First enquiry module 72, is same as inquiring about the domain name mapping rule of the domain name of institute's request analysis from local cache；
Second enquiry module 73, the domain name for inquiring about institute's request analysis from home domain name list.
Domain name mapping request processing module 71 is additionally operable to, and judging, the domain name of request analysis is not ranked in the local domain
When in table, domain name analysis request is sent to content supplier's CP dns servers, and return receiving the CP dns servers
After the domain name mapping result returned, domain name analysis result is returned into the client device.
Domain name mapping request processing module 71 by the second enquiry module 71 specifically for inquiring institute's request analysis
When domain name is present in home domain name list, domain name analysis request is sent to content management server using forwarding interface；And,
After the domain name mapping result that the content management server is returned is received using forwarding interface, by domain name analysis result
Return to the client device；Wherein, the forwarding interface is DNS standard interfaces.
Based on identical technical concept, the embodiment of the present invention additionally provides a kind of content management server, as shown in figure 8,
The content management server includes：
Receiving module 81, the domain name mapping request for receiving dns server transmission；Wherein, domain name analysis request
It is that the dns server does not inquire corresponding domain name mapping rule from local cache, and judges the domain name of institute's request analysis
Sent after being present in home domain name list.
Domain name mapping module 82, for carrying out domain name mapping according to domain name analysis request.
Sending module 83, for the domain name mapping result of domain name parsing module to be returned into the dns server.
Receiving module 81 using forwarding interface specifically for receiving the domain name mapping request that dns server is sent；Send mould
Block 83 is specifically for translating domain names into the domain name mapping result of the acquisition of module 82, the DNS service being returned to using forwarding interface
Device；Wherein, the forwarding interface is DNS standard interfaces.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required general hardware platform to realize, naturally it is also possible to which by hardware, but in many cases, the former is more
Good embodiment.Understood based on such, what technical scheme substantially contributed to prior art in other words
Part can be embodied in the form of software product, and the computer software product is stored in a storage medium, if including
Dry instruction is to cause a station terminal equipment（Can be mobile phone, personal computer, server, or network equipment etc.）Perform sheet
Invent the method described in each embodiment.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (16)
1. a kind of domain name mapping DNS Operational Visit methods, it is characterised in that including：
Dns server is received after the domain name mapping request of client device transmission, if not inquired from local cache corresponding
Domain name mapping rule, then judge the domain name of institute's request analysis with the presence or absence of in home domain name list；
If the dns server judges that the domain name of institute's request analysis is present in home domain name list, to content management service
Device sends domain name analysis request；
The dns server is received after the domain name mapping result that the content management server is returned, and domain name is parsed
As a result the client device is returned to；
Wherein, the update method of the domain name mapping rule of the dns server, including：
The dns server is sent to content management server obtains the request of domain name mapping regular sequence row number；
The content management server returns to domain name solution according to domain name resolution rules serial number request to the dns server
Analyse the sequence number of rule；
The sequence number of the domain name mapping rule of the return is compared with the domain name mapping regular sequence row number of local cache, sentenced
The sequence number of the domain name mapping rule of disconnected local cache is less than the domain name mapping sequence of rules that the content management server is returned
Number when, at content management server obtain update local cache domain name mapping rule.
2. the method as described in claim 1, it is characterised in that methods described also includes：
If the dns server judges the domain name of institute's request analysis not in the home domain name list, to content supplier
CP dns servers send domain name analysis request, and after the domain name mapping result that the CP dns servers are returned is received,
Domain name analysis result is returned into the client device.
3. the method as described in claim 1, it is characterised in that described to send domain name analysis request to content management server,
Specially：The dns server sends domain name analysis request using forwarding interface to content management server；
The dns server receives the domain name mapping result that the content management server is returned using forwarding interface；
Wherein, the forwarding interface is DNS standard interfaces.
4. a kind of DNS data synchronous method, it is characterised in that including：
Dns server sends domain name resolution rules serial number request to content management server；
Content management server returns to domain name according to domain name resolution rules serial number request to the content management server
The sequence number of resolution rules；
The dns server is returned in the sequence number for the domain name mapping rule for judging book server less than the content management server
During the domain name mapping regular sequence row number returned, send domain name resolution rules to the content management server and update request；
The content management server sends domain name resolution rules according to the dns server and updates request, to the DNS service
Device returns to domain name resolution rules；
The local domain name mapping rule of domain name mapping Policy Updates that the dns server is returned according to the dns server.
5. method as claimed in claim 4, it is characterised in that the dns server sends domain name to content management server
Before resolution rules serial number request, in addition to：
Dns server receives the domain name mapping regular and synchronized notice that the content management server is sent；Wherein, domain name solution
Analysis regular and synchronized notify to be sent after domain name mapping rule of the content management server on book server updates；
The dns server sends domain name resolution rules serial number request to content management server, is specially：The DNS clothes
Business device is sent out after the domain name mapping regular and synchronized notice that the content management server is sent is received to content management server
Domain name mapping regular sequence row number is sent to ask.
6. method as claimed in claim 5, it is characterised in that this method also includes：
Dns server is after the domain name mapping regular and synchronized notice that the content management server is sent is received, if not in setting
The domain name mapping regular and synchronized notice that the content management server is sent is received in duration again, then to content management service
Device sends domain name resolution rules serial number request.
7. a kind of dns server, it is characterised in that including：
Domain name mapping request processing module, for after the domain name mapping request of client device transmission is received, passing through first
Enquiry module inquires about corresponding domain name mapping rule from local cache, if not inquiring corresponding domain name mapping rule, leads to
The domain name for crossing the second enquiry module inquiry institute request analysis whether there is in home domain name list, be ranked if being present in local domain
In table, then domain name analysis request is sent to content management server；And, receiving what the content management server was returned
After domain name mapping result, domain name analysis result is returned into the client device；
First enquiry module, is same as inquiring about the domain name mapping rule of the domain name of institute's request analysis from local cache；
Second enquiry module, the domain name for inquiring about institute's request analysis from home domain name list；
The dns server, in addition to：Domain name mapping regular sequence row number request module and domain name mapping Policy Updates ask modulus
Block,
Domain name resolution rules serial number request module, for sending domain name resolution rules sequence number to content management server
After request, the sequence number for the domain name mapping rule that the content management server is returned is received；
Domain name resolution rules update request module, for being less than in the sequence number for the domain name mapping rule for judging book server
During the domain name mapping regular sequence row number that the content management server is returned, domain name mapping is sent to the content management server
Policy Updates are asked, and receive the domain name mapping rule that the content management server is returned.
8. dns server as claimed in claim 7, it is characterised in that domain name analysis request processing module is additionally operable to,
When judging the domain name of institute's request analysis not in the home domain name list, domain name is sent to content supplier's CP dns servers
Analysis request, and after the domain name mapping result that the CP dns servers are returned is received, domain name analysis result is returned
Back to the client device.
9. dns server as claimed in claim 7, it is characterised in that domain name analysis request processing module specifically for,
When the domain name that institute's request analysis is inquired by the second enquiry module is present in home domain name list, using forwarding interface to
Content management server sends domain name analysis request；And, returned receiving the content management server using forwarding interface
After the domain name mapping result returned, domain name analysis result is returned into the client device；Wherein, the forwarding interface is
DNS standard interfaces.
10. a kind of content management server, it is characterised in that including：
Receiving module, the domain name mapping request for receiving dns server transmission；Wherein, domain name analysis request is described
Dns server does not inquire corresponding domain name mapping rule from local cache, and judges that the domain name of institute's request analysis is present in
Sent after in home domain name list；
Domain name mapping module, for carrying out domain name mapping according to domain name analysis request；
Sending module, for the domain name mapping result of domain name parsing module to be returned into the dns server；
The content management server also includes：Domain name mapping regular sequence row number request processing module and domain name mapping Policy Updates
Request processing module,
Domain name resolution rules serial number request processing module, for receiving the domain that its administrative dns server is sent
After name resolution rules serial number request, the sequence number of the domain name mapping rule on book server is sent to the dns server；
Domain name resolution rules update request processing module, for receiving the domain name mapping that the dns server is sent
After Policy Updates request, the domain name mapping rule on book server is returned into the dns server；Wherein, domain name solution
It is the dns server to analyse Policy Updates request, and the sequence number of the domain name mapping rule on book server is judged is less than described
Sent after the sequence number of domain name mapping rule on content management server.
11. management server as claimed in claim 10, it is characterised in that the receiving module is specifically for utilizing forwarding
The domain name mapping request that interface dns server is sent；
The sending module is specifically for the domain name mapping result for obtaining domain name parsing module is returned using forwarding interface
Back to the dns server；
Wherein, the forwarding interface is DNS standard interfaces.
12. a kind of content management server, it is characterised in that including：
Domain name mapping regular sequence row number request processing module, for receiving the domain name solution that its administrative dns server is sent
Analyse after the request of regular sequence row number, the sequence number of the domain name mapping rule on book server is sent to the dns server；
Domain name mapping Policy Updates request processing module, for receiving the domain name mapping rule that the dns server is sent
Update after request, the domain name mapping rule on book server is returned into the dns server；Wherein, domain name parsing rule
It is the dns server then to update request, and the sequence number of the domain name mapping rule on book server is judged is less than the content
Sent after the sequence number of domain name mapping rule in management server.
13. content management server as claimed in claim 12, it is characterised in that also notified including domain name mapping regular and synchronized
Module, for sending domain name resolution rules synchronization notice to its administrative each dns server, domain name resolution rules are synchronously logical
Know what the rule of the domain name mapping on book server was sent after updating；
Domain name resolution rules serial number request is that dns server is receiving the synchronization that the content management server is sent
Sent after notice.
14. a kind of dns server, it is characterised in that including：
Domain name mapping regular sequence row number request module, for sending domain name resolution rules serial number request to content management server
Afterwards, the sequence number for the domain name mapping rule that the content management server is returned is received；
Domain name mapping Policy Updates request module, it is described for being less than in the sequence number for the domain name mapping rule for judging book server
During the domain name mapping regular sequence row number that content management server is returned, domain name resolution rules are sent to the content management server
Request is updated, and receives the domain name mapping rule that the content management server is returned；
Domain name mapping Policy Updates module, for according to the local domain name mapping rule of the domain name mapping Policy Updates received.
15. dns server as claimed in claim 14, it is characterised in that also include：
Domain name mapping regular and synchronized notification handler module, for receiving the domain name mapping rule that the content management server is sent
Synchronization notice；Wherein, domain name resolution rules synchronization notice is domain name of the content management server on book server
What resolution rules were sent after updating；
Domain name resolution rules serial number request module is specific in receiving the domain name that the content management server is sent
After resolution rules synchronization notice, domain name resolution rules serial number request is sent to content management server.
16. dns server as claimed in claim 15, it is characterised in that domain name resolution rules serial number request module
It is additionally operable to, after the domain name mapping regular and synchronized notice that the content management server is sent is received, if not in setting duration
The domain name mapping regular and synchronized notice that the content management server is sent is received again, then is sent to content management server
Domain name mapping regular sequence row number is asked.
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| CN106210158B (en) * | 2015-05-04 | 2020-03-27 | 阿里巴巴集团控股有限公司 | Domain name resolution synchronization method and device |
| CN104869182A (en) * | 2015-05-28 | 2015-08-26 | 广州华多网络科技有限公司 | Domain name resolution method and device |
| CN105162900B (en) * | 2015-09-25 | 2019-02-15 | 中国互联网络信息中心 | A kind of domain name mapping of multi-node collaboration and caching method and system |
| CN106534396A (en) * | 2016-11-08 | 2017-03-22 | 安徽马钢自动化信息技术有限公司 | Domain name analysis method and analysis system with multiple forwarding servers |
| CN106790766A (en) * | 2017-02-17 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of dns server intelligent configuration method for client |
| CN109842691A (en) * | 2017-11-24 | 2019-06-04 | 中兴通讯股份有限公司 | The domain name synchronous method and relevant device of Cache system and dns server |
| CN109600417B (en) * | 2018-11-02 | 2021-08-27 | 创新先进技术有限公司 | Method, device, equipment and system for tracking application access |
| CN110213394B (en) * | 2018-12-29 | 2023-09-01 | 上海传英信息技术有限公司 | DNS server configuration method, device and network system |
| CN110290233A (en) * | 2019-06-27 | 2019-09-27 | 广州虎牙科技有限公司 | Domain name analytic method, device, server and computer readable storage medium |
| CN114448931B (en) * | 2022-02-17 | 2023-11-21 | 浪潮思科网络科技有限公司 | Domain name resolution method, device and medium based on MLAG networking environment |
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