CN104702705A - Domain name resolution method, domain name resolution equipment and domain name resolution system - Google Patents
Domain name resolution method, domain name resolution equipment and domain name resolution system Download PDFInfo
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- CN104702705A CN104702705A CN201310646670.6A CN201310646670A CN104702705A CN 104702705 A CN104702705 A CN 104702705A CN 201310646670 A CN201310646670 A CN 201310646670A CN 104702705 A CN104702705 A CN 104702705A
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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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Abstract
The invention discloses a domain name resolution method, a piece of domain name resolution equipment, and a domain name resolution system. In the invention, on one hand, a GPRS DNS for a GPRS service is deployed, a GPRS user terminal sends a domain name resolution request to the GPRS DNS when needing to make domain name analysis, and the GPRS DNS forwards the domain name resolution request to an extranet DNS; and on the other hand, a Cache system side is transformed, the Cache system determines whether the domain name resolution request needs processing according to a source IP of the domain name resolution request instead of directly processing the domain name resolution request after capturing the domain name resolution request forwarded by the GPRS DNS, and the Cache system does not process the domain name resolution request when determining that the domain name resolution request does not need processing, so that the GPRS DNS can forward a domain name resolution response returned by the extranet DNS to the GPRS user terminal. The problem that a GPRS user terminal cannot carry out page adaptation in a scene in which a Cache system is deployed is effectively avoided.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of domain name analytic method, equipment and system.
Background technology
In today of scientific and technological develop rapidly, also there is change with rapid changepl. never-ending changes and improvements in network technology.Nowadays, various for user provides, the colourful data service of network, user can access network whenever and wherever possible, inquiry information needed.But along with the continuous growth of data service, the randomness of the service characteristic done one's best in the Internet and flux and flow direction, brings great challenge to the network O&M of operator.In order to alleviate the flow of growth fast to the impact of network, current each operator starts to introduce Cache(cache memory energetically) system.But progressively expand along with Cache system Construction scale, some flows that cannot carry out Cache have also been tackled by Cache system, and cause this part user normally cannot access the Internet.
As shown in Figure 1, for a kind of in prior art configuration diagram of typical Cache system group network, based on this system architecture, Intranet DNS(Domain Name Server, name server) receive the DNS query request of user, direct inquiry local cache, as local cache does not have, then carries out falling generation inquiry to outer net.The re-positioning device of Cache system can pass through DPI(Deep Packet Inspection, deep-packet detection) light splitting obtains this analysis request, because Cache system can respond quickly, first Intranet DNS will receive the Cache system business address list of Cache system feedback, and feedback user, cause user to access Cache system resource.
Because Cache system can only be tackled for designated domain name at present, this certainly will will cause broadband user and GPRS(General Packet Radio Service, GPRS) cellphone subscriber is all redirected to Cache system.Especially when GPRS cellphone subscriber accesses Cache, the information (as the information such as browser version, operating system) that cannot provide according to mobile phone due to Cache system carries out adaptation to the page, causes mobile phone terminal cannot normal display page the most at last.
Summary of the invention
The invention provides a kind of domain name analytic method, equipment and system, in order to evade be deployed with Cache system scene in GPRS user terminal cannot carry out the problem of page adaptation.
In order to reach above object, the invention provides a kind of domain name analysis system, comprising: general packet radio service gprs domain name server (DNS), cache memory Cache system, outer net DNS; Wherein:
Described GPRS DNS, for receiving the domain name mapping request that GPRS user terminal sends, and when not inquiring corresponding record in local cache according to the domain name of carrying in this domain name mapping request, by this domain name mapping request forward to outer net DNS; When receiving the domain name mapping response that described outer net DNS returns, this domain name mapping response is transmitted to described GPRS user terminal;
Described Cache system, for capturing the domain name mapping request that GPRS DNS forwards, and when determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, does not respond this domain name mapping request;
Described outer net DNS, for when receiving domain name mapping request, resolves the domain name of carrying in this domain name mapping request, and the response of returns to field name analysis.
The embodiment of the present invention additionally provides a kind of domain name analytic method, is applied to and comprises general packet radio service gprs domain name server (DNS), cache memory Cache system, and the domain name analysis system of outer net DNS, and the method comprises:
GPRS DNS receives the domain name mapping request that GPRS user terminal sends, and when not inquiring corresponding record in local cache according to the domain name of carrying in this domain name mapping request, by this domain name mapping request forward to outer net DNS;
The domain name mapping request that GPRS DNS described in Cache system grabs forwards, and when determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, this domain name mapping request is not responded;
When described outer net DNS receives domain name analysis request, the domain name of carrying in this domain name mapping request is resolved, and the response of returns to field name analysis;
Described GPRS DNS receives the domain name mapping response that described outer net DNS returns, and this domain name mapping response is transmitted to described GPRS user terminal.
The embodiment of the present invention additionally provides a kind of domain name analytic method, is applied to and comprises general packet radio service gprs domain name server (DNS), cache memory Cache system, and the domain name analysis system of outer net DNS, and the method comprises:
The domain name mapping request that Cache system grabs GPRS DNS forwards; Wherein, domain name analysis request is the domain name mapping request that described GPRS DNS receives the transmission of GPRS user terminal, and when not inquiring corresponding record according to the domain name of carrying in this domain name mapping request in local cache, forwards to outer net DNS;
When described Cache system is determined not need to process this domain name mapping request according to the source IP address of this domain name mapping request, this domain name mapping request is not responded, when receiving the domain name mapping response that described outer net DNS returns to make described GPRS DNS, domain name resolution response is transmitted to described GPRS user terminal.
The embodiment of the present invention additionally provides a kind of cache memory Cache system, is applied to and comprises general packet radio service gprs domain name server (DNS), and the domain name analysis system of outer net DNS, and this Cache system comprises:
Placement unit, for capturing the domain name mapping request that GPRS DNS forwards; Wherein, domain name analysis request is the domain name mapping request that described GPRS DNS receives the transmission of GPRS user terminal, and when not inquiring corresponding record according to the domain name of carrying in this domain name mapping request in local cache, forwards to outer net DNS;
Processing unit, during for determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, this domain name mapping request is not responded, when receiving the domain name mapping response that described outer net DNS returns to make described GPRS DNS, domain name resolution response is transmitted to described GPRS user terminal.
In the above embodiment of the present invention, GPRS DNS receives the domain name mapping request that GPRS user terminal sends, and when not inquiring corresponding record in local cache according to the domain name of carrying in this domain name mapping request, by this domain name mapping request forward to outer net DNS; The domain name mapping request that Cache system grabs GPRS DNS forwards, and when determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, this domain name mapping request is not responded; When outer net DNS receives domain name analysis request, the domain name of carrying in this domain name mapping request is resolved, and the response of returns to field name analysis; GPRS DNS receives the domain name mapping response that outer net DNS returns, and this domain name mapping response is transmitted to described GPRS user terminal, has effectively evaded GPRS user terminal in the scene being deployed with Cache system and cannot carry out the problem of page adaptation.
Accompanying drawing explanation
Fig. 1 is the configuration diagram of a kind of typical Cache system group network in prior art;
A kind of configuration diagram being deployed with the domain name analysis system of Cache system that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of domain name analytic method that Fig. 3 provides for the embodiment of the present invention;
The domain name analytic method that Fig. 4 provides for the embodiment of the present invention is at the schematic flow sheet of a kind of processing method of Cache system side;
The structural representation of a kind of Cache system that Fig. 5 provides for the embodiment of the present invention.
Embodiment
Embodiments provide a kind of technical scheme of domain name mapping, application comprises GPRS DNS, Cache system, and the domain name analysis system of outer net DNS.In this technical scheme, GPRS DNS receives the domain name mapping request that GPRS user terminal sends, and when not inquiring corresponding record in local cache according to the domain name of carrying in this domain name mapping request, by this domain name mapping request forward to outer net DNS; The domain name mapping request that Cache system grabs GPRS DNS forwards, and when determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, this domain name mapping request is not responded; When outer net DNS receives domain name analysis request, the domain name of carrying in this domain name mapping request is resolved, and the response of returns to field name analysis; GPRS DNS receives the domain name mapping response that outer net DNS returns, and this domain name mapping response is transmitted to described GPRS user terminal.
In embodiments of the present invention, on the one hand, by disposing for the GPRS DNS of gprs service, when GPRS user terminal needs to carry out domain name mapping, to the request of GPRS DNS sending domain name analysis, by GPRSDNS by domain name mapping request forward to outer net DNS, on the other hand, Cache system side is transformed, after the domain name mapping request that Cache system grabs forwards to GPRS DNS, directly this domain name mapping request is not processed, but need to determine whether to need to process this domain name mapping request according to the source IP of this domain name mapping request, and when being defined as not needing, not to this domain name mapping request process, thus the domain name mapping making GPRS DNS outer net DNS can be returned response is transmitted to GPRS user terminal, effectively evade GPRS user terminal in the scene being deployed with Cache system and cannot carry out the problem of page adaptation.
Below in conjunction with the accompanying drawing in the application, carry out clear, complete description to the technical scheme in the application, obviously, described embodiment is a part of embodiment of the application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the application's protection.
See Fig. 2, be a kind of configuration diagram being deployed with the domain name analysis system of Cache system that the embodiment of the present invention provides, this system architecture comprises: GPRS DNS, Cache system, and outer net DNS; Wherein:
GPRS DNS, for receiving the domain name mapping request that GPRS user terminal sends, and when not inquiring corresponding record in local cache according to the domain name of carrying in this domain name mapping request, by this domain name mapping request forward to outer net DNS; When receiving the domain name mapping response that described outer net DNS returns, this domain name mapping response is transmitted to described GPRS user terminal;
Cache system, for capturing the domain name mapping request that GPRS DNS forwards, and when determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, does not respond this domain name mapping request;
Outer net DNS, for when receiving domain name mapping request, resolves the domain name of carrying in this domain name mapping request, and the response of returns to field name analysis.
Wherein, Cache system can be specifically for, and according to the configuration information prestored, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, described configuration information is used to indicate domain name mapping request that the DPI equipment of described Cache system is only assigned ip address to source IP address and carries out light splitting and be redirected; Or described configuration information is used to indicate the domain name mapping request that the DPI equipment of described Cache system is not assigned ip address to source IP address to carry out light splitting and is redirected.
Wherein, institute Cache system can be specifically for, and according to the configuration information prestored, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, the re-positioning device that described configuration information is used to indicate described Cache system only responds the domain name mapping request that source IP address is assigned ip address; Or the re-positioning device that described configuration information is used to indicate described Cache system does not respond the domain name mapping request that source IP address is assigned ip address.
Based on the system architecture shown in Fig. 2, the schematic flow sheet of the domain name analytic method that the embodiment of the present invention provides can see Fig. 3.
As shown in Figure 3, be the schematic flow sheet of a kind of domain name analytic method that the embodiment of the present invention provides, can comprise the following steps:
Step 301, the request of GPRS user terminal sending domain name analysis.
Concrete, when GPRS user needs accesses network, GPRS user terminal can be passed through according to the domain name of network to be visited to the request of GPRS DNS sending domain name analysis.Wherein, this domain name mapping request comprises the domain name of network to be visited.
Step 302, GPRS DNS are according to the inquiry of the domain name local cache carried in domain name mapping request; If inquire corresponding record, then go to step 307; If do not inquire corresponding record, then go to step 303.
Concrete, after GPRS DNS receives domain name mapping request, can the domain name of carrying in this domain name mapping request be resolved, according to this inquiry of the domain name local cache, to determine whether there is corresponding record in local cache.If inquire corresponding record, then GPRS DNS can directly respond to user's returns to field name analysis according to the record inquired; If do not inquire corresponding record, then need to inquire about to outer net DNS further.
Step 303, GPRS DNS by this domain name mapping request forward to outer net DNS.
The domain name mapping request that step 304, Cache system grabs GPRS DNS forward, and when determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, this this domain name mapping request is not responded.
Concrete, in embodiments of the present invention, after grabbing the domain name mapping request of GPRS DNS forwarding in Cache system, directly the domain name of carrying in this domain name mapping request is not resolved, but need to determine whether to need to process this domain name mapping request according to the source IP address of this domain name mapping request.
Wherein, in order to achieve the above object, can correspondingly configure in Cache system in advance, its concrete configuration mode at least can comprise following two kinds:
The DPI equipment of mode one, configuration Cache system only carries out light splitting to the DNS request (namely source IP address is the DNS request of assigned ip address, lower same) of assigned ip address and is redirected; Or light splitting do not carried out to the DNS request of assigned ip address and be redirected.
Such as, the DPI equipment of pre-configured Cache system only the IP address D NS request outside the IP address of GPRS user can be carried out light splitting and is redirected; Or, light splitting do not carried out to the DNS request of the IP address of GPRS user and be redirected.
Mode two
The re-positioning device of configuration Cache system only responds the DNS request of assigned ip address; Or the DNS request of assigned ip address is not responded.
Such as, can the re-positioning device of pre-configured Cache system only the DNS request of IP address outside the IP address of GPRS user be responded; Or, the DNS request of the IP address of GPRS user is not responded.
Correspondingly, after the domain name mapping request that Cache system grabs forwards to GPRS DNS, can according to the configuration information prestored, and the source IP address of domain name mapping request determines whether to need to process this domain name mapping request.
Wherein, the DPI equipment that this configuration information is used to indicate Cache system only carries out light splitting to the domain name mapping request that (or not to) source IP address is assigned ip address and is redirected; Or/and the re-positioning device that this configuration information is used to indicate Cache system only responds the domain name mapping request that (or not to) source IP address is assigned ip address.
When Cache system is determined not need to process this domain name mapping request, this domain name mapping request is not responded.
When step 305, outer net DNS receive domain name mapping request, the domain name of carrying in this domain name mapping request is resolved, and the response of returns to field name analysis.
Concrete, when outer net DNS receives domain name mapping request, the domain name of carrying in this domain name mapping request can be resolved, and respond to GPRS DNS returns to field name analysis.
It should be noted that in embodiments of the present invention, there is not inevitable sequential relationship in step 304 and step 305, namely in embodiments of the present invention, first can perform step 304, rear execution step 305; Also first step 305 can be performed, rear execution step 304.
The domain name mapping of outer net DNS response is transmitted to GPRS user terminal by step 306, GPRS DNS, goes to step 308.
Step 307, GPRS DNS, according to the record inquired, respond to GPRS user terminal returns to field name analysis.
Step 308, GPRS user terminal initiate HTTP(HyperText Transport Protocol, HTML (Hypertext Markup Language) according to the domain name mapping response received) request.
In the domain name analytic method flow process that the embodiment of the present invention provides, the handling process of Cache system can see Fig. 4.
As shown in Figure 4, the domain name analytic method provided for the embodiment of the present invention, at the schematic flow sheet of a kind of processing method of Cache system side, can comprise the following steps:
The domain name mapping request that step 401, Cache system grabs GPRS DNS forward.
Wherein, domain name analysis request is the domain name mapping request that described GPRS DNS receives the transmission of GPRS user terminal, and when not inquiring corresponding record according to the domain name of carrying in this domain name mapping request in local cache, forwards to outer net DNS.
Step 402, when Cache system is determined not need to process this domain name mapping request according to the source IP address of this domain name mapping request, this domain name mapping request not to be responded.
Concrete, when Cache system is determined not need to process this domain name mapping request according to the source IP address of this domain name mapping request, this domain name mapping request is not responded, thus during GPRSDNS is received domain name mapping response that outer net DNS returns, this domain name mapping response can be transmitted to GPRS user terminal, respond initiation HTTP request by GPRS user terminal according to the domain name mapping of outer net DNS.
Known by describing above, in the technical scheme that the embodiment of the present invention provides, on the one hand, by disposing the GPRS DNS for gprs service, when GPRS user terminal needs to carry out domain name mapping, to the request of GPRS DNS sending domain name analysis, by GPRS DNS by domain name mapping request forward to outer net DNS, on the other hand, Cache system side is transformed, after the domain name mapping request that Cache system grabs forwards to GPRS DNS, directly this domain name mapping request is not processed, but need to determine whether to need to process this domain name mapping request according to the source IP of this domain name mapping request, and when being defined as not needing, not to this domain name mapping request process, thus the domain name mapping making GPRS DNS outer net DNS can be returned response is transmitted to GPRS user terminal, initiation HTTP request is responded according to the domain name mapping of outer net DNS by GPRS user terminal, effectively evade GPRS user terminal in the scene being deployed with Cache system and cannot carry out the problem of page adaptation.
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of Cache system, can be applied to said method embodiment.
As shown in Figure 5, for the structural representation of a kind of Cache system that the embodiment of the present invention provides, this Cache system can be applied to and comprise general packet radio service gprs domain name server (DNS), and the domain name analysis system of outer net DNS, and this Cache system can comprise:
Placement unit 51, for capturing the domain name mapping request that GPRS DNS forwards; Wherein, domain name analysis request is the domain name mapping request that described GPRS DNS receives the transmission of GPRS user terminal, and when not inquiring corresponding record according to the domain name of carrying in this domain name mapping request in local cache, forwards to outer net DNS;
Processing unit 52, during for determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, this domain name mapping request is not responded, when receiving the domain name mapping response that described outer net DNS returns to make described GPRS DNS, domain name resolution response is transmitted to described GPRS user terminal.
Wherein, described processing unit 52 comprises deep-packet detection DPI subelement 521;
Described DPI subelement 521 for, according to the configuration information prestored, and the source IP address of domain name analysis request determine whether need this domain name mapping request is processed; Wherein, described configuration information is used to indicate domain name mapping request that described DPI subelement is only assigned ip address to source IP address and carries out light splitting and be redirected; Or described configuration information is used to indicate the domain name mapping request that described DPI subelement is not assigned ip address to source IP address to carry out light splitting and is redirected.
Wherein, described processing unit 52 comprises redirected subelement 522;
Described redirected subelement 522, for the configuration information that basis prestores, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, described configuration information is used to indicate described redirected subelement and only responds the domain name mapping request that source IP address is assigned ip address; Or described configuration information is used to indicate described redirected subelement and does not respond the domain name mapping request that source IP address is assigned ip address.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a station terminal equipment (can be mobile phone, personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (12)
1. a domain name analysis system, is characterized in that, comprising: general packet radio service gprs domain name server (DNS), cache memory Cache system, outer net DNS; Wherein:
Described GPRS DNS, for receiving the domain name mapping request that GPRS user terminal sends, and when not inquiring corresponding record in local cache according to the domain name of carrying in this domain name mapping request, by this domain name mapping request forward to outer net DNS; When receiving the domain name mapping response that described outer net DNS returns, this domain name mapping response is transmitted to described GPRS user terminal;
Described Cache system, for capturing the domain name mapping request that GPRS DNS forwards, and when determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, does not respond this domain name mapping request;
Described outer net DNS, for when receiving domain name mapping request, resolves the domain name of carrying in this domain name mapping request, and the response of returns to field name analysis.
2. the method for claim 1, is characterized in that,
Described Cache system specifically for, according to the configuration information prestored, and the source IP address of domain name analysis request determine whether need this domain name mapping request is processed; Wherein, described configuration information is used to indicate domain name mapping request that the DPI equipment of described Cache system is only assigned ip address to source IP address and carries out light splitting and be redirected; Or described configuration information is used to indicate the domain name mapping request that the DPI equipment of described Cache system is not assigned ip address to source IP address to carry out light splitting and is redirected.
3. the method for claim 1, is characterized in that,
Described Cache system specifically for, according to the configuration information prestored, and the source IP address of domain name analysis request determine whether need this domain name mapping request is processed; Wherein, the re-positioning device that described configuration information is used to indicate described Cache system only responds the domain name mapping request that source IP address is assigned ip address; Or the re-positioning device that described configuration information is used to indicate described Cache system does not respond the domain name mapping request that source IP address is assigned ip address.
4. a domain name analytic method, is characterized in that, is applied to and comprises general packet radio service gprs domain name server (DNS), cache memory Cache system, and the domain name analysis system of outer net DNS, and the method comprises:
GPRS DNS receives the domain name mapping request that GPRS user terminal sends, and when not inquiring corresponding record in local cache according to the domain name of carrying in this domain name mapping request, by this domain name mapping request forward to outer net DNS;
The domain name mapping request that GPRS DNS described in Cache system grabs forwards, and when determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, this domain name mapping request is not responded;
When described outer net DNS receives domain name analysis request, the domain name of carrying in this domain name mapping request is resolved, and the response of returns to field name analysis;
Described GPRS DNS receives the domain name mapping response that described outer net DNS returns, and this domain name mapping response is transmitted to described GPRS user terminal.
5. method as claimed in claim 4, is characterized in that, described Cache system determines whether to need to process this domain name mapping request according to the source IP address of domain name mapping request, is specially:
Described Cache system is according to the configuration information prestored, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, described configuration information is used to indicate domain name mapping request that the DPI equipment of described Cache system is only assigned ip address to source IP address and carries out light splitting and be redirected; Or described configuration information is used to indicate the domain name mapping request that the DPI equipment of described Cache system is not assigned ip address to source IP address to carry out light splitting and is redirected.
6. method as claimed in claim 4, is characterized in that, described Cache system determines whether to need to process this domain name mapping request according to the source IP address of domain name mapping request, is specially:
Described Cache system is according to the configuration information prestored, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, the re-positioning device that described configuration information is used to indicate described Cache system only responds the domain name mapping request that source IP address is assigned ip address; Or the re-positioning device that described configuration information is used to indicate described Cache system does not respond the domain name mapping request that source IP address is assigned ip address.
7. a domain name analytic method, is characterized in that, is applied to and comprises general packet radio service gprs domain name server (DNS), cache memory Cache system, and the domain name analysis system of outer net DNS, and the method comprises:
The domain name mapping request that Cache system grabs GPRS DNS forwards; Wherein, domain name analysis request is the domain name mapping request that described GPRS DNS receives the transmission of GPRS user terminal, and when not inquiring corresponding record according to the domain name of carrying in this domain name mapping request in local cache, forwards to outer net DNS;
When described Cache system is determined not need to process this domain name mapping request according to the source IP address of this domain name mapping request, this domain name mapping request is not responded, when receiving the domain name mapping response that described outer net DNS returns to make described GPRS DNS, domain name resolution response is transmitted to described GPRS user terminal.
8. method as claimed in claim 7, is characterized in that, described Cache system determines whether to need to process this domain name mapping request according to the source IP address of domain name mapping request, is specially:
Described Cache system is according to the configuration information prestored, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, described configuration information is used to indicate domain name mapping request that the DPI equipment of described Cache system is only assigned ip address to source IP address and carries out light splitting and be redirected; Or described configuration information is used to indicate the domain name mapping request that the DPI equipment of described Cache system is not assigned ip address to source IP address to carry out light splitting and is redirected.
9. method as claimed in claim 7, is characterized in that, described Cache system determines whether to need to process this domain name mapping request according to the source IP address of domain name mapping request, is specially:
Described Cache system is according to the configuration information prestored, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, the re-positioning device that described configuration information is used to indicate described Cache system only responds the domain name mapping request that source IP address is assigned ip address; Or the re-positioning device that described configuration information is used to indicate described Cache system does not respond the domain name mapping request that source IP address is assigned ip address.
10. a cache memory Cache system, is characterized in that, is applied to and comprises general packet radio service gprs domain name server (DNS), and the domain name analysis system of outer net DNS, and this Cache system comprises:
Placement unit, for capturing the domain name mapping request that GPRS DNS forwards; Wherein, domain name analysis request is the domain name mapping request that described GPRS DNS receives the transmission of GPRS user terminal, and when not inquiring corresponding record according to the domain name of carrying in this domain name mapping request in local cache, forwards to outer net DNS;
Processing unit, during for determining according to the source IP address of this domain name mapping request not need to process this domain name mapping request, this domain name mapping request is not responded, when receiving the domain name mapping response that described outer net DNS returns to make described GPRS DNS, domain name resolution response is transmitted to described GPRS user terminal.
11. Cache systems as claimed in claim 10, it is characterized in that, described processing unit comprises deep-packet detection DPI subelement;
Described DPI subelement is used for, and according to the configuration information prestored, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, described configuration information is used to indicate domain name mapping request that described DPI subelement is only assigned ip address to source IP address and carries out light splitting and be redirected; Or described configuration information is used to indicate the domain name mapping request that described DPI subelement is not assigned ip address to source IP address to carry out light splitting and is redirected.
12. Cache systems as claimed in claim 10, it is characterized in that, described processing unit comprises redirected subelement;
Described redirected subelement, for the configuration information that basis prestores, and the source IP address of domain name analysis request determines whether to need to process this domain name mapping request; Wherein, described configuration information is used to indicate described redirected subelement and only responds the domain name mapping request that source IP address is assigned ip address; Or described configuration information is used to indicate described redirected subelement and does not respond the domain name mapping request that source IP address is assigned ip address.
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| CN102571997A (en) * | 2010-12-29 | 2012-07-11 | 中国移动通信集团北京有限公司 | Method, system and device for data access |
| CN102685259A (en) * | 2011-03-09 | 2012-09-19 | 中国移动通信集团公司 | Method, system and intelligent DNS (Domain Name Server) for analyzing DNS analysis request |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090262741A1 (en) * | 2000-06-23 | 2009-10-22 | Jungck Peder J | Transparent Provisioning of Services Over a Network |
| CN102014173A (en) * | 2010-11-01 | 2011-04-13 | 蓝汛网络科技（北京）有限公司 | Domain name redirecting control method, module and system |
| CN102571997A (en) * | 2010-12-29 | 2012-07-11 | 中国移动通信集团北京有限公司 | Method, system and device for data access |
| CN102685259A (en) * | 2011-03-09 | 2012-09-19 | 中国移动通信集团公司 | Method, system and intelligent DNS (Domain Name Server) for analyzing DNS analysis request |
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