CN105610993B - A kind of domain name analytic method, apparatus and system - Google Patents
A kind of domain name analytic method, apparatus and system Download PDFInfo
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Abstract
The present invention relates to domain name mapping field, in particular to a kind of domain name analytic method, apparatus and system determine the domain name list for needing to optimize by domain name mapping optimization device first；The request of the first recurrence of n times is initiated to authorization DNS according to the domain name in domain name list, response result is screened to obtain the corresponding parsing result of domain name；Receive the second recurrence request that local dns are initiated, the local dns will be sent to parsing result corresponding to the domain name to match, to pass through the same DNS domain name of continuous several times recurrence, obtain domain name IP address information more as far as possible, and multiple IP address informations of acquisition screen according to optimisation strategy, select the IP address for the condition of being best suitable for, and the IP address is returned into local dns, the terminal user of request is transmitted to by local dns, it therefore, can be by best parsing result response to terminal user.
Description
Technical field
The present invention relates to domain name mapping field, in particular to the method, apparatus and system of a kind of domain name mapping.
Background technique
Component part of the DNS (Domain Name System, domain name system) as Internet service, provides domain name and IP
Mapping relations.DNS system is a distributed system, is erected at operator end, and configuration receives broadband at broadband user end
The dns server of user's domain name request is referred to as local dns；By ICP (Internet Content Provider, Web content
Service provider) it sets up, or the tissue by specially providing domain name resolution service is set up, and realizes the DNS of domain name configuration relation corresponding with IP
Server is referred to as to authorize DNS.
Currently, the widely applied scheme with optimization dns resolution result is SORTLIST (Category List) sequence,
The process of SORTLIST sequencing schemes, as shown in Figure 1.
The specific operation flow of SORTLIST sequence is as follows:
Step 1: terminal user initiates dns resolution request to local dns；
Step 2: local dns judge whether there is parsing result corresponding with dns resolution request in caching；
Step 3: if parsing result corresponding with dns resolution request is preserved in caching, by the parsing result of caching
Response terminates to user, process；If parsing result corresponding with dns resolution request is not preserved in caching, by dns resolution
Request is transmitted to the recurrence module of local dns；
Step 4: recurrence module initiates inquiry request to authorization DNS, and obtain response result；
Step 5: the response result of acquisition is passed to intelligent sequencing module by recurrence module；
Step 6: intelligent sequencing module arranges the IP address in response message according to scheduled IP address priority rule
Sequence；
Step 7: ranking results are write in caching；
Step 8: process terminates by the result response of caching to terminal user.
However, be can only be right for the problem of being parsed using domain name of the SORTLIST sequencing schemes to end-user request
Result in one recurrence response bag is parsed, and cannot be parsed to the result in multiple recurrence response bags, meeting in this way
Existing domain name analysis system response is caused to terminal user not to be very likely optimal parsing result.
Summary of the invention
The embodiment of the present invention provides the method, apparatus and system of a kind of domain name mapping, ties optimal parsing to realize
Fruit is sent to terminal user
Domain name analytic method provided in an embodiment of the present invention, comprising:
Domain name mapping optimization device analyzes the DNS log in the local domain name system DNS period 1, determines to need
The domain name list to be optimized；Wherein, it is described need the domain name list that optimizes refer to dispatched within the period 1 it is devious
The set of domain name；
The request of the first recurrence of n times is initiated to authorization DNS according to the domain name in domain name list, is receiving the authorization
After DNS is for the response result of domain name, the response result is screened to obtain the corresponding parsing result of domain name,
And save domain name and corresponding parsing result；
The second recurrence request that local dns are initiated is received, includes domain name to be visited in the second recurrence request；
It, will if there is the domain name to match with the domain name to be visited in the domain name and corresponding parsing result that save
The local dns are sent to parsing result corresponding to the domain name to match.
Preferably, before receiving the second recurrence request that local dns are initiated, further includes:
Terminal initiates domain name analysis request to local dns, includes the domain name to be visited in domain name analysis request；
If there is no the parsing results to match with the domain name to be visited in the current caching of local dns, local
DNS initiates the second recurrence request to domain name analytical optimization device and the authorization DNS.
Preferably, the scheduling domain name devious refers to the solution of the domain name in the DNS log in the period 1
Analysis address includes on-net location and the outer address of net.
Preferably, being sieved after receiving response result of the authorization DNS for domain name to the response result
Choosing obtains the corresponding parsing result of domain name, specifically:
Receive it is described authorization DNS for domain name M response result after, judge be in the M response result
It is no there are on-net location, on-net location if it exists, then using the on-net location as the corresponding parsing result of domain name；With/
Or,
When there are multiple on-net locations, then out of selection is best suitable for screening strategy in the multiple on-net location net
Location is as the corresponding parsing result of domain name.
It is passed preferably, initiating n times first to authorization DNS according to the domain name in domain name list within each second round
Return request；The second round is identical as the caching period of local dns.
Domain name mapping provided in an embodiment of the present invention optimizes device, which is characterized in that the device includes: analysis module, is passed
Return module and drainage module；
The analysis module is determined for analyzing the DNS log in the local domain name system DNS period 1
The domain name list for needing to optimize；Wherein, described that the domain name list optimized is needed to refer to that scheduling has deviation within the period 1
Domain name set；
The recurrence module is asked for initiating the first recurrence of n times to authorization DNS according to the domain name in domain name list
It asks, after receiving response result of the authorization DNS for domain name, the response result is screened to obtain the domain
The corresponding parsing result of name, and save domain name and corresponding parsing result；
The drainage module, the second recurrence for receiving local dns initiation are requested, and include in the second recurrence request
Domain name to be visited；
If there is the domain name to match with the domain name to be visited in the domain name and corresponding parsing result that save,
The local dns will be sent to parsing result corresponding to the domain name to match.
Preferably, the scheduling domain name devious refers to the solution of the domain name in the DNS log in the period 1
Analysis address includes on-net location and the outer address of net.
Preferably, the recurrence module, is specifically used for:
Receive it is described authorization DNS for domain name M response result after, judge be in the M response result
It is no there are on-net location, on-net location if it exists, then using the on-net location as the corresponding parsing result of domain name；With/
Or,
When there are multiple on-net locations, then out of selection is best suitable for screening strategy in the multiple on-net location net
Location is as the corresponding parsing result of domain name.
Preferably, the recurrence module, within each second round according to the domain name in domain name list to awarding
It weighs DNS and initiates the request of the first recurrence of n times；The second round is identical as the caching period of local dns.
Domain name mapping optimization system provided in an embodiment of the present invention, which is characterized in that including local dns and 6~9 above-mentioned
Domain name mapping described in one optimizes device, and the local dns are used to receive the domain name mapping request of terminal initiation, domain name
It include domain name to be visited in analysis request；And judge in Current buffer with the presence or absence of matching with the domain name to be visited
Parsing result, the parsing result to match if it does not exist with the domain name to be visited, then to domain name analytical optimization device
And authorization DNS initiates the request of the second recurrence.
Domain name analytic method provided by the above embodiment, apparatus and system, first by domain name mapping optimization device to local
DNS log in the domain name system DNS period 1 is analyzed, and determines the domain name list for needing to optimize；Then according to
Domain name in domain name list initiates the request of the first recurrence of n times to authorization DNS, is receiving the authorization DNS for domain name
After response result, the response result is screened to obtain the corresponding parsing result of domain name, and save domain name and
Corresponding parsing result；The second recurrence request that local dns are initiated is received, includes domain to be visited in the second recurrence request
Name；It, will be with institute if there is the domain name to match with the domain name to be visited in the domain name and corresponding parsing result that save
It states parsing result corresponding to the domain name to match and is sent to the local dns, to pass through the same DNS of continuous several times recurrence
Domain name obtains IP address informations more as far as possible, and screens to multiple IP address informations of acquisition according to optimisation strategy, selects
It is best suitable for the IP address of condition out, and the IP address is returned into local dns, the terminal user of request is transmitted to by local dns,
It therefore, can be by best parsing result response to terminal user.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the flow chart of SORTLIST sequencing schemes in the prior art；
Fig. 2 is domain name analytic method flow chart provided in an embodiment of the present invention；
Fig. 3 is that domain name mapping provided in an embodiment of the present invention optimizes apparatus structure schematic diagram；
Fig. 4 is domain name optimization system structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Fig. 2 is domain name analytic method flow chart provided in an embodiment of the present invention.Referring to fig. 2, this method comprises:
S201, domain name mapping optimization device analyze the DNS log in the local domain name system DNS period 1, really
Make the domain name list for needing to optimize；Wherein, described that the domain name list optimized is needed to refer to that scheduling has deviation within the period 1
Domain name set, go to S202.
The time span of above-mentioned period 1 can be set to 24 hours.
S202, the request of the first recurrence of n times is initiated to authorization DNS according to the domain name in domain name list, is receiving authorization DNS needle
After the response result of domain name, the response result is screened to obtain the corresponding parsing result of domain name, and protect
Domain name and corresponding parsing result are deposited, S203 is gone to.
S203, the second recurrence request that local dns are initiated is received, includes domain to be visited in the second recurrence request
Name, goes to S204.
It whether there is in the domain name and corresponding parsing result that S204, judgement save and match with the domain name to be visited
Domain name turn if there is the domain name that matches with the domain name to be visited in the domain name and corresponding parsing result that save
To S205；If the domain name to match with the domain name to be visited is not present in the domain name and corresponding parsing result that save,
Terminate.
S205, the local dns will be sent to parsing result corresponding to the domain name to match.
In above-mentioned steps S201, dispatches domain name devious and refer to that the parsing address of the domain name in DNS log includes net
Interior address and the outer address of net.For example, mobile terminal user carries out domain name www.sina.com on the local dns server in Shanghai
Access, if authorization server returns to the IP of the mobile terminal user, (Internet Protocol is interconnected between network
Agreement) address is sometimes the IP address that mobile operator is possessed, and it is not the IP address that mobile operator is possessed, example sometimes
Such as, the IP address possessed by telecommunication carrier or connection operator, then domain name mapping optimization device can be by above-mentioned domain name
In the domain name list that www.sina.com deposit needs to optimize.
In above-mentioned steps S202, the request of n times recurrence is initiated to authorization DNS according to the domain name in domain name list, is awarded receiving
After DNS is weighed for the response result of domain name, the response result is screened to obtain the corresponding parsing result of domain name, and
Domain name and corresponding parsing result are saved, in the specific implementation, the value of N can be set to 50.For example, domain name list only includes
One domain name www.sina.com and www.baidu.com, then domain name mapping optimization device according to domain name www.sina.com and
Www.baidu.com respectively initiates 50 recurrence requests to authorization DNS.
Further, after receiving M response result of the authorization DNS for domain name, the value of M can be 50, then sentence
It whether there is on-net location in disconnected M response result, on-net location, then corresponding as domain name using the on-net location if it exists
Parsing result；When there are multiple on-net locations, then the on-net location for being best suitable for screening strategy is chosen from multiple on-net locations
As the corresponding parsing result of domain name.
Below only to include a domain name www.sina.com in domain name list to the response result obtained from authorization DNS
How to carry out screening be described in detail, for convenience of description for the sake of, it is assumed that domain name mapping optimize device with domain name
Www.sina.com initiates 5 recurrence requests to authorization DNS, it is assumed that the response result that 5 recurrence requests obtain is respectively as follows: (1)
Mobile IP address are as follows: 192.168.1.110, the IP address of (2) telecommunications are as follows: 202.168.1.110；(3) IP address of connection
Are as follows: 201.168.1.110, the IP address of (4) Tie Tong are as follows: 192.168.1.109；(5) mobile IP address are as follows:
192.168.1.100.When domain name mapping optimization device be mobile operator in use, the sequence that can be set is
192.168.1.110,192.168.1.100,192.168.1.109；It, can by the IP of telecommunications and connection when being screened
Location abandons, and the IP address of telecommunications and connection can also be ranked up according to default rule, for example, default rule is first
Telecommunications after connection after telecommunications, or first connection.It is further assumed that the IP address of telecommunications and connection is abandoned, the sequence after screening
It, in the specific implementation, can will be after domain name and screening for 192.168.1.110,192.168.1.100,192.168.1.109
Domain name establishes a mapping table, for example, according to the mapping relations between domain name www.sina.com and above-mentioned response result
The table that can be established is as shown in following table one:
Table one
Further, the first recurrence of n times is initiated to authorization DNS according to the domain name in domain name list within each second round
Request；TTL (the Time of second round identical as the caching period of the local dns i.e. time span of second round and cache module
To Live, life span) it is identical, it is generally the case that and the life span of default is 3600 seconds (1 hour), when the value of TTL is
The time for indicating that cache server saves the dns resolution result having requested that at 3600 seconds is 1 hour；It is long when the time of second round
When degree is arranged to 3600 seconds, indicate just to initiate n times recurrence to authorization DNS every a hour according to the domain name in domain name list
Request.
Further, terminal initiates domain name analysis request to local dns, includes domain to be visited in domain name mapping request
Name；If there is no the parsing result that matches with domain name to be visited in the current caching of local dns, local dns are to domain name
Analytical optimization device and authorization DNS initiate recurrence request.For example, terminal user sends domain name analysis request, domain name to local dns
Analysis request includes domain name to be visited, if terminal user needs to access the website BAIDU, includes: in domain name mapping request
Www.baidu.com, it is local if local dns preserve the corresponding IP address 202.108.98.132 of www.baidu.com
Corresponding IP address 202.108.98.132 is sent to terminal user by dns server；If local dns do not preserve corresponding IP
Address, then local dns optimize device to domain name mapping and authorization DNS initiates recurrence request simultaneously, it is assumed that domain name mapping optimization dress
Preserve domain name www.baidu.com in the domain name list set, due to authorization DNS usually with a distance from local dns farther out,
Local dns can preferentially receive the parsing result of domain name mapping optimization device feedback.
Domain name analytic method provided in an embodiment of the present invention, first by domain name mapping optimization device to local domain name system
DNS log in the DNS period 1 is analyzed, and determines the domain name list for needing to optimize；Then according to domain name list
In domain name to authorization DNS initiate the first recurrence of n times request, receiving it is described authorization DNS be directed to domain name response result
Afterwards, the response result is screened to obtain the corresponding parsing result of domain name, and saves domain name and corresponding solution
Analyse result；The second recurrence request that local dns are initiated is received, includes domain name to be visited in the second recurrence request；If protecting
There is the domain name to match with the domain name to be visited in the domain name and corresponding parsing result deposited, then will match with described
Domain name corresponding to parsing result be sent to the local dns, to be obtained by the same DNS domain name of continuous several times recurrence
Domain name IP address information more as far as possible is obtained, and multiple IP address informations of acquisition sieve according to optimisation strategy
Choosing, selects the IP address for the condition of being best suitable for, and the IP address is returned to local dns, the end of request is transmitted to by local dns
End subscriber therefore can be by best parsing result response to terminal user.
Based on the same technical idea, the embodiment of the present invention also provides a kind of domain name mapping optimization device, the domain name mapping
Optimizing device can be performed above method embodiment.Domain name mapping optimization device provided in an embodiment of the present invention is as shown in Figure 3.
It include: analysis module 31, recurrence module 32 and drainage module 33；
Analysis module 31 is determined to need for analyzing the DNS log in the local domain name system DNS period 1
The domain name list to be optimized；Wherein, it is described need the domain name list that optimizes refer to dispatched within the period 1 it is devious
The set of domain name；
Recurrence module 32, for initiating the request of the first recurrence of n times to authorization DNS according to the domain name in domain name list,
After receiving response result of the authorization DNS for domain name, the response result is screened to obtain domain name
Corresponding parsing result, and save domain name and corresponding parsing result；
Drain module 33, include for receiving the second recurrence request of local dns initiation, in second recurrence request to
The domain name of access；
If there is the domain name to match with the domain name to be visited in the domain name and corresponding parsing result that save,
The local dns will be sent to parsing result corresponding to the domain name to match.
Preferably, the scheduling domain name devious refers to that the domain name is analytically in the DNS log within the period 1
Location includes on-net location and the outer address of net.
Preferably, recurrence module 32, is specifically used for:
Receive it is described authorization DNS for domain name M response result after, judge be in the M response result
It is no there are on-net location, on-net location if it exists, then using the on-net location as the corresponding parsing result of domain name；With/
Or,
When there are multiple on-net locations, then out of selection is best suitable for screening strategy in the multiple on-net location net
Location is as the corresponding parsing result of domain name.
Preferably, recurrence module 32, within each second round according to the domain name in domain name list to authorization
DNS initiates the request of the first recurrence of n times；The second round is identical as the caching period of local dns.
Based on the same technical idea, the embodiment of the present invention also provides a kind of domain name mapping optimization system, the domain name mapping
Above method embodiment can be performed in optimization system.Domain name mapping optimization system provided in an embodiment of the present invention is as shown in Figure 4.Packet
It includes: local dns and domain name mapping provided in an embodiment of the present invention optimization device, wherein local dns are used to receive terminal initiation
Domain name mapping is requested, and includes domain name to be visited in domain name mapping request；
If there is no the parsing results to match with the domain name to be visited in the current caching of local dns, local
DNS initiates the second recurrence request to domain name analytical optimization device and the authorization DNS.When domain name mapping optimizes device
It is middle to there is the parsing result to match with the domain name to be visited, then return to local dns；Since domain name mapping optimizes device
In kept the parsing result and closer at a distance from local dns of optimization in advance, so parsing can must faster be fed back than authorization DNS
As a result, terminal is allowed to receive more suitable domain name mapping result；If domain name mapping optimize device in there is no with it is described to
The parsing result that the domain name of access matches, then terminal finally will receive the parsing result of authorization DNS feedback.
In conclusion domain name analytic method provided in an embodiment of the present invention, apparatus and system, are optimized by domain name mapping first
Device analyzes the DNS log in the local domain name system DNS period 1, determines the domain name list for needing to optimize；So
The request of the first recurrence of n times is initiated to authorization DNS according to the domain name in domain name list afterwards, is directed to receiving the authorization DNS
After the response result of domain name, the response result is screened to obtain the corresponding parsing result of domain name, and save
Domain name and corresponding parsing result；The second recurrence request that local dns are initiated is received, includes in the second recurrence request
Domain name to be visited；If there is the domain to match with the domain name to be visited in the domain name and corresponding parsing result that save
Name, then will be sent to the local dns with parsing result corresponding to the domain name to match, to pass by continuous several times
Return the same DNS domain name, obtain domain name IP address information more as far as possible, and to multiple IP address informations of acquisition carry out by
It is screened according to optimisation strategy, the IP address for the condition of being best suitable for is selected, and the IP address is returned into local dns, by local
DNS is transmitted to the terminal user of request, therefore, can be by best parsing result response to terminal user.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of domain name analytic method, which is characterized in that this method comprises:
Domain name mapping optimization device analyzes the DNS log in the local domain name system DNS period 1, determines to need excellent
The domain name list of change；Wherein, the domain name list that the needs optimize refers to dispatches domain name devious within the period 1
Set；
The request of the first recurrence of n times is initiated to authorization DNS according to the domain name in domain name list, is receiving the authorization DNS needle
After the response result of domain name, the response result is screened to obtain the corresponding parsing result of domain name, and protect
Deposit domain name and corresponding parsing result；
The second recurrence request that local dns are initiated is received, includes domain name to be visited in the second recurrence request；
It, will be with institute if there is the domain name to match with the domain name to be visited in the domain name and corresponding parsing result that save
It states parsing result corresponding to the domain name to match and is sent to the local dns.
2. the method as described in claim 1, which is characterized in that before receiving the second recurrence request that local dns are initiated, also wrap
It includes:
Terminal initiates domain name analysis request to local dns, includes the domain name to be visited in domain name analysis request；
If there is no the parsing result that matches with the domain name to be visited in the current caching of local dns, local dns to
Domain name analytical optimization device and the authorization DNS initiate the second recurrence request.
3. the method as described in claim 1, which is characterized in that the scheduling domain name devious referred in the period 1
The parsing address of the domain name includes on-net location and the outer address of net in interior DNS log.
4. the method as described in claim 1, which is characterized in that receiving the authorization DNS for the response knot of domain name
After fruit, the response result is screened to obtain the corresponding parsing result of domain name, specifically:
After receiving M response result of the authorization DNS for domain name, judge whether deposit in the M response result
In on-net location, on-net location if it exists, then using the on-net location as the corresponding parsing result of domain name；And/or
When there are multiple on-net locations, then the on-net location work for being best suitable for screening strategy is chosen from the multiple on-net location
For the corresponding parsing result of domain name.
5. the method as described in claim 1, which is characterized in that according to the domain in domain name list within each second round
Name initiates the request of the first recurrence of n times to authorization DNS；The second round is identical as the caching period of local dns.
6. a kind of domain name mapping optimizes device, which is characterized in that the device includes: analysis module, recurrence module and drainage module；
The analysis module is determined to need for analyzing the DNS log in the local domain name system DNS period 1
The domain name list of optimization；Wherein, the domain name list that the needs optimize refers to dispatches domain devious within the period 1
The set of name；
The recurrence module, for initiating the request of the first recurrence of n times to authorization DNS according to the domain name in domain name list,
After the authorization DNS is received for the response result of domain name, the response result is screened to obtain domain name pair
The parsing result answered, and save domain name and corresponding parsing result；
The drainage module includes wait visit in the second recurrence request for receiving the second recurrence request of local dns initiation
The domain name asked；
It, will be with if there is the domain name to match with the domain name to be visited in the domain name and corresponding parsing result that save
Parsing result corresponding to the domain name to match is sent to the local dns.
7. device as claimed in claim 6, which is characterized in that the scheduling domain name devious referred in the period 1
The parsing address of the domain name includes on-net location and the outer address of net in interior DNS log.
8. device as claimed in claim 6, which is characterized in that the recurrence module is specifically used for:
After receiving M response result of the authorization DNS for domain name, judge whether deposit in the M response result
In on-net location, on-net location if it exists, then using the on-net location as the corresponding parsing result of domain name；And/or
When there are multiple on-net locations, then the on-net location for being best suitable for screening strategy is chosen from the multiple on-net location
As the corresponding parsing result of domain name.
9. device as claimed in claim 6, which is characterized in that the recurrence module, for the basis within each second round
Domain name in domain name list initiates the request of the first recurrence of n times to authorization DNS；The caching of the second round and local dns
Period is identical.
10. a kind of domain name mapping optimization system, which is characterized in that including any one of local dns and above-mentioned 6~9 claim institute
The domain name mapping optimization device stated, the local dns are used to receive the domain name mapping request of terminal initiation, and domain name parsing is asked
It include domain name to be visited in asking；And judge in Current buffer with the presence or absence of the parsing knot to match with the domain name to be visited
Fruit, the parsing result to match if it does not exist with the domain name to be visited, then to domain name analytical optimization device and authorization
DNS initiates the request of the second recurrence.
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|---|---|---|---|---|
| CN106657432B (en) * | 2016-11-17 | 2019-10-15 | 中国移动通信集团江苏有限公司 | Domain name analytic method and device |
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