CN109561167A - A kind of domain name analytic method and device - Google Patents
A kind of domain name analytic method and device Download PDFInfo
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- CN109561167A CN109561167A CN201811423493.4A CN201811423493A CN109561167A CN 109561167 A CN109561167 A CN 109561167A CN 201811423493 A CN201811423493 A CN 201811423493A CN 109561167 A CN109561167 A CN 109561167A
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- dns
- domain name
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- query
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/15—Flow control; Congestion control in relation to multipoint traffic
Abstract
Disclose a kind of domain name analytic method and device.A kind of domain name analytic method, it is characterized in that, 1 multicast group is added at least two target UE and dns server by the method, this method comprises: any target UE is in the case where determination needs to carry out domain name mapping, in local pre-stored domain name mapping result, whether inquiry has stored the domain name for needing to parse；For the either objective user equipment in the case where inquiring not stored, Xiang Suoshu dns server sends DNS request message；Dns server replys DNS response message in the case where receiving DNS request message, with multicast mode；Any target UE obtains the DNS response message in the case where listening to multicast DNS response message, and the domain name mapping result being locally stored is updated according to the DNS response message.
Description
Technical field
This specification embodiment is related to network communication technology field more particularly to a kind of domain name analytic method and device.
Background technique
DNS (Domain Name System, domain name system) is one the domain name of host in network and IP address is mutual
The distributed data base of mapping, by the domain name convenient for people's memory, input and convenient for the mapping between the IP address of computer disposal
Relationship makes people more easily access network.
Domain name to IP address mapping storage in the dns server, in the prior art, when user needs to pass through user equipment
When accessing certain domain name, user equipment will send request message to dns server, and dns server is closed according to the mapping stored
System, returning to user equipment includes the response message for corresponding to IP address or upstream dns server.
But exist in the network environment of a large amount of similar domain name mapping demands, each user equipment may be in the short time
It is interior, the analysis request of a large amount of same domain names is sent to dns server, dns server carries out response by the scheme of the prior art,
It may result in low, waste network bandwidth of reply efficiency etc..
Summary of the invention
In view of this, this specification embodiment provides a kind of domain name analytic method and device, technical solution are as follows:
A kind of domain name analytic method, which is characterized in that the method is by least two target UE and dns server
1 multicast group is added, this method comprises:
Any target UE is in the case where determination needs to carry out domain name mapping, in local pre-stored domain
In name parsing result, whether inquiry has stored the domain name for needing to parse；
For the either objective user equipment in the case where inquiring not stored, Xiang Suoshu dns server sends DNS request
Message；
The dns server replys DNS response message in the case where receiving DNS request message, with multicast mode；
Any target UE obtains the DNS response report in the case where listening to multicast DNS response message
Text, and the domain name mapping result being locally stored is updated according to the DNS response message.
A kind of domain name analysis system, which is characterized in that the system comprises at least two target UE and DNS services
Device, and 1 multicast group is added in the target UE and dns server:
Any target UE is in the case where determination needs to carry out domain name mapping, in local pre-stored domain
In name parsing result, whether inquiry has stored the domain name for needing to parse；
For the either objective user equipment in the case where inquiring not stored, Xiang Suoshu dns server sends DNS request
Message；
The dns server replys DNS response message in the case where receiving DNS request message, with multicast mode；
Any target UE obtains the DNS response report in the case where listening to multicast DNS response message
Text, and the domain name mapping result being locally stored is updated according to the DNS response message.
Technical solution provided by this specification embodiment, by the user equipment with similar domain name analysis request, and
Dns server is added in same multicast group, and dns server returns to DNS response message by multicast mode, so that multicast group
In each user equipment less can request identical domain name mapping to dns server as a result, to save network bandwidth
With the time of user equipment access webpage.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
This specification embodiment can be limited.
In addition, any embodiment in this specification embodiment does not need to reach above-mentioned whole effects.
Detailed description of the invention
In order to illustrate more clearly of this specification embodiment or technical solution in the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
The some embodiments recorded in this specification embodiment for those of ordinary skill in the art can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the domain name analysis system of this specification embodiment；
Fig. 2 is the flow diagram of this specification embodiment domain name analytic method；
Fig. 3 is a kind of structural schematic diagram of this specification embodiment domain name mapping device；
Fig. 4 is another structural schematic diagram of this specification embodiment domain name mapping device；
Fig. 5 is the structural schematic diagram for configuring a kind of equipment of this specification embodiment device.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in this specification embodiment, below in conjunction with this
Attached drawing in specification embodiment is described in detail the technical solution in this specification embodiment, it is clear that described
Embodiment is only a part of the embodiment of this specification, instead of all the embodiments.The embodiment of base in this manual,
Those of ordinary skill in the art's every other embodiment obtained, all should belong to the range of protection.
In view of the problems of the existing technology, this specification provides a kind of domain name mapping scheme.
In the embodiment of this specification, domain name mapping process is related at least 2 target UEs and DNS service
Device, corresponding system architecture schematic diagram as shown in Figure 1, include user equipment 11,12 ... 1n and dns server 20.It can
With understanding, so-called user equipment in this specification embodiment, can for mobile phone, tablet computer, laptop, etc.
A specific server or clothes can be can be by the electronic equipment of domain name access website, the concrete form of dns server
The forms such as business device cluster.
The domain name mapping scheme of this specification embodiment can be applied to the network that there are a large amount of similar domain name mapping demands
It, can at least 2 users set by this for 2 with similar domain name mapping demand or more platform user equipmenies in environment
Standby and dns server is added in a multicast group, and dns server sends DNS response message using multicasting technology, owns simultaneously
User equipment monitors the DNS response message of multicast, to save massive band width by multicast.
In addition, determining the target UE that same multicast group is added (i.e. with the user of similar domain name mapping demand
Equipment) when, similar regions can be judged whether there is by operation personnel according to each user and the domain name mapping demand of individual device
Name parsing demand and same multicast group whether is added etc.；It can also be as usual to access by the feature of extraction domain name mapping demand
Network address or frequentation ask type of webpage, etc., relative user equipment is determined by certain and its algorithm (such as training pattern)
With the presence or absence of similar domain name mapping demand and same multicast group whether is added etc.；This specification embodiment does not limit this.
Fig. 2 is the interaction diagrams for the domain name analytic method that this specification embodiment provides, and can specifically include following step
It is rapid:
S201, any target UE are deposited in the case where determination needs to carry out domain name mapping locally in advance
In the domain name mapping result of storage, whether inquiry has stored the domain name for needing to parse；
The user equipment of multicast group is added, the common domain name mapping in part can locally be stored in advance as a result, user sets
There are many standby determination needs the case where carrying out domain name mapping, for example, user equipment is laptop, when user opens in computer
The browser of installation, when inputting domain name in address field and accessing, user equipment can determine the domain name for needing to input to user
It is parsed；For another example, user equipment is smart phone, when user clicks some web page interlinkage (domain by certain application software
Name), then user equipment, which can determine, needs the domain name clicked to user to parse, to access the webpage；Etc..
It, can be first in local pre-stored domain name mapping result when user equipment, which determines, needs to carry out domain name mapping
In searched, whether inquiry, which has stored, needs the domain name that parses that can not need if stored to DNS service
Device sends domain name analysis request, and directly may have access to corresponding website using pre-stored parsing result.
S202, in the case where inquiring not stored, Xiang Suoshu dns server is sent the either objective user equipment
DNS request message；
If user equipment does not inquire the domain name parsed in local pre-stored domain name mapping result
Corresponding IP address, then can send DNS request message to the dns server in same multicast group, and request dns server returns
The parsing result of the domain name.
S203, the dns server reply DNS response report in the case where receiving DNS request message, with multicast mode
Text；
Dns server, specifically can be by a variety of in the case where receiving DNS request message in this specification embodiment
Mode replys DNS response message with multicast mode.
In a kind of specific embodiment of this specification embodiment, can first according to the DNS request message that receives,
Determine the domain name for needing to parse, then in the local domain name mapping result with existing storage of dns server, whether inquiry has been stored
The parsing result of the domain name for needing to parse and the domain name, has stored if inquired, and dns server can be returned with multicast mode
DNS response message is answered, includes the domain name mapping result inquired in the response message.
And stored if do not inquired, it is possible to further determine the DNS query mode of this dns server system,
Then according to identified DNS query mode, the query result information returned to user equipment is obtained, and reply with multicast mode
Query result information.
It, specifically, can be first according to receiving for example, in the case where determining DNS query result is recursive query
DNS request message, upstream dns server sends dns resolution request, then in the DNS for receiving the return of upstream dns server
In the case where parsing result, according to the dns resolution as a result, replying DNS response message with multicast mode, wrapped in the response message
Include the domain name mapping result of the return.
For another example, in the case where determining DNS query result is iterative query, specifically, upstream DNS clothes can be obtained first
The address of business device, then returns to upstream dns server obtained to the target UE for sending the DNS request message
Address, so that the target UE is according to the address upstream dns server nslookup parsing result.
S204, any target UE obtain the DNS in the case where listening to multicast DNS response message
Response message, and the domain name mapping result being locally stored is updated according to the DNS response message.
As previously described, in this specification embodiment, each user equipment of same multicast group is added, all has similar domain
Name parsing demand, therefore dns server returns to DNS response message in the form of multicast, and each target user in multicast group
Equipment monitors the DNS response message of multicast.
Any user equipment in multicast group can obtain the message in the case where listening to multicast DNS response message,
And the domain name mapping being locally stored is updated as a result, for example, if preparatory not stored domain name and its solution according to the DNS response message
Analysis as a result, can then be added to and be locally stored in；For another example, if the corresponding parsing result of pre-stored domain name is answered with the DNS
Inconsistent in message, then can be locally stored by the update of the parsing result in message parsing result is answered, so that it is guaranteed that
It is accessible to arrive correct IP address when accessing the domain name again, avoid waste flow access errors again.
As it can be seen that can be deposited by multicast DNS response message, the local that timely updates using the scheme of this specification embodiment
The modes such as storage save user equipment and obtain domain name mapping result, the bandwidth for accessing webpage and time.
Corresponding to above method embodiment, this specification embodiment also provides a kind of domain name mapping device, is applied to target
User equipment, it is shown in Figure 3, the apparatus may include:
Inquiry of the domain name module 110, for determine need to carry out domain name mapping in the case where, in local pre-stored domain
In name parsing result, whether inquiry has stored the domain name for needing to parse；
Message sending module 120, in the case where inquiring not stored, Xiang Suoshu dns server to send DNS request
Message, so that dns server replys DNS response message in the case where receiving DNS request message with multicast mode；
Message monitoring module 130 for monitoring the DNS response message of multicast, and is listening to multicast DNS response message
In the case of, the DNS response message is obtained, and the domain name mapping result being locally stored is updated according to the DNS response message.
This specification embodiment also provides a kind of domain name mapping device, is applied to dns server, shown in Figure 4, the dress
It sets and may include:
Request message receiving module 210, for receiving the DNS request message of target UE transmission；The DNS request
Message is any target UE in the case where inquiring local not stored domain name mapping result, Xiang Suoshu DNS clothes
The message that business device is sent；
Response message group broadcasting module 220, for replying DNS response message with multicast mode, so that either objective user sets
It is standby to obtain the DNS response message in the case where listening to multicast DNS response message and this is updated according to the DNS response message
The domain name mapping result of ground storage.
The function of each unit and the realization process of effect are specifically detailed in the above method and correspond to step in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
The purpose for needing to select some or all of the modules therein to realize this specification example scheme.Ordinary skill people
Member can understand and implement without creative efforts.
Fig. 5 shows one kind provided by this specification embodiment and more specifically calculates device hardware structural schematic diagram,
The equipment may include: processor 1010, memory 1020, input/output interface 1030, communication interface 1040 and bus
1050.Wherein processor 1010, memory 1020, input/output interface 1030 and communication interface 1040 are real by bus 1050
The now communication connection inside equipment each other.
Processor 1010 can use general CPU (Central Processing Unit, central processing unit), micro- place
Reason device, application specific integrated circuit (Application Specific Integrated Circuit, ASIC) or one
Or the modes such as multiple integrated circuits are realized, for executing relative program, to realize technical side provided by this specification embodiment
Case.
Memory 1020 can use ROM (Read Only Memory, read-only memory), RAM (Random Access
Memory, random access memory), static storage device, the forms such as dynamic memory realize.Memory 1020 can store
Operating system and other applications are realizing technical solution provided by this specification embodiment by software or firmware
When, relevant program code is stored in memory 1020, and execution is called by processor 1010.
Input/output interface 1030 is for connecting input/output module, to realize information input and output.Input and output/
Module can be used as component Configuration (not shown) in a device, can also be external in equipment to provide corresponding function.Wherein
Input equipment may include keyboard, mouse, touch screen, microphone, various kinds of sensors etc., output equipment may include display,
Loudspeaker, vibrator, indicator light etc..
Communication interface 1040 is used for connection communication module (not shown), to realize the communication of this equipment and other equipment
Interaction.Wherein communication module can be realized by wired mode (such as USB, cable etc.) and be communicated, can also be wirelessly
(such as mobile network, WIFI, bluetooth etc.) realizes communication.
Bus 1050 include an access, equipment various components (such as processor 1010, memory 1020, input/it is defeated
Outgoing interface 1030 and communication interface 1040) between transmit information.
It should be noted that although above equipment illustrates only processor 1010, memory 1020, input/output interface
1030, communication interface 1040 and bus 1050, but in the specific implementation process, which can also include realizing normal fortune
Other assemblies necessary to row.In addition, it will be appreciated by those skilled in the art that, it can also be only comprising real in above equipment
Component necessary to existing this specification example scheme, without including all components shown in figure.
Although this specification includes many specific implementation details, these are not necessarily to be construed as the model for limiting any invention
It encloses or range claimed, and is primarily used for describing the feature of the specific embodiment of specific invention.In this specification
Certain features described in multiple embodiments can also be combined implementation in a single embodiment.On the other hand, individually implementing
Various features described in example can also be performed separately in various embodiments or be implemented with any suitable sub-portfolio.This
Outside, although feature can work in certain combinations as described above and even initially so be claimed, institute is come from
One or more features in claimed combination can be removed from the combination in some cases, and claimed
Combination can be directed toward the modification of sub-portfolio or sub-portfolio.
Similarly, although depicting operation in the accompanying drawings with particular order, this is understood not to require these behaviour
Make the particular order shown in execute or sequentially carry out or require the operation of all illustrations to be performed, to realize desired knot
Fruit.In some cases, multitask and parallel processing may be advantageous.In addition, the various system modules in above-described embodiment
Separation with component is understood not to be required to such separation in all embodiments, and it is to be understood that described
Program assembly and system can be usually integrated in together in single software product, or be packaged into multiple software product.
The specific embodiment of theme has been described as a result,.Other embodiments are within the scope of the appended claims.?
In some cases, the movement recorded in claims can be executed in different order and still realize desired result.This
Outside, the processing described in attached drawing and it is nonessential shown in particular order or sequential order, to realize desired result.In certain realities
In existing, multitask and parallel processing be may be advantageous.
The foregoing is merely the preferred embodiments of this specification embodiment, do not implement to limit this specification
Example, all within the spirit and principle of this specification embodiment, any modification, equivalent substitution, improvement and etc. done should all include
Within the scope of the protection of this specification embodiment.
Claims (10)
1. a kind of domain name analytic method, which is characterized in that the method adds at least two target UE with dns server
Enter 1 multicast group, this method comprises:
Any target UE is in the case where determination needs to carry out domain name mapping, in local pre-stored domain name solution
It analyses in result, whether inquiry has stored the domain name for needing to parse；
For the either objective user equipment in the case where inquiring not stored, Xiang Suoshu dns server sends DNS request report
Text；
The dns server replys DNS response message in the case where receiving DNS request message, with multicast mode；
Any target UE obtains the DNS response message in the case where listening to multicast DNS response message,
And the domain name mapping result being locally stored is updated according to the DNS response message.
2. the method according to claim 1, wherein described in the case where receiving DNS request message, with group
Broadcast mode replys DNS response message, comprising:
According to the DNS request message received, the domain name for needing to parse is determined；
In the local domain name mapping result with existing storage, whether inquiry has stored the parsing for needing the domain name and the domain name that parse
As a result；
It include the domain name mapping result inquired in the response message if so, replying DNS response message with multicast mode.
3. according to the method described in claim 2, it is characterized in that, whether having stored the domain name for needing to parse and the domain in inquiry
After the parsing result of name, further includes:
If not, it is determined that the DNS query mode of this dns server system；
According to identified DNS query mode, the query result information returned to user equipment is obtained, and reply with multicast mode
Query result information.
4. according to the method described in claim 3, it is characterized in that, determine DNS query result be recursive query in the case where,
The DNS query mode according to determined by is obtained the query result information returned to user equipment, and is replied with multicast mode
Query result information, comprising:
According to the DNS request message received, upstream dns server sends dns resolution request；
In the case where receiving the dns resolution result of upstream dns server return, according to the dns resolution as a result, with multicast side
Formula replys DNS response message, includes the domain name mapping result of the return in the response message.
5. according to the method described in claim 3, it is characterized in that, determine DNS query result be iterative query in the case where,
The DNS query mode according to determined by is obtained the query result information returned to user equipment, and is replied with multicast mode
Query result information, comprising:
Obtain the address of upstream dns server；
The address of upstream dns server obtained is returned to the target UE for sending the DNS request message, so that should
Target UE is according to the address upstream dns server nslookup parsing result.
6. a kind of domain name analysis system, which is characterized in that the system comprises at least two target UE and dns server,
And 1 multicast group is added in the target UE and dns server:
Any target UE is in the case where determination needs to carry out domain name mapping, in local pre-stored domain name solution
It analyses in result, whether inquiry has stored the domain name for needing to parse；
For the either objective user equipment in the case where inquiring not stored, Xiang Suoshu dns server sends DNS request report
Text；
The dns server replys DNS response message in the case where receiving DNS request message, with multicast mode；
Any target UE obtains the DNS response message in the case where listening to multicast DNS response message,
And the domain name mapping result being locally stored is updated according to the DNS response message.
7. device according to claim 6, which is characterized in that the dns server is being received especially by following manner
In the case where DNS request message, DNS response message is replied with multicast mode:
According to the DNS request message received, the domain name for needing to parse is determined；
In the local domain name mapping result with existing storage, whether inquiry has stored the parsing for needing the domain name and the domain name that parse
As a result；
It include the domain name mapping result inquired in the response message if so, replying DNS response message with multicast mode.
8. device according to claim 7, which is characterized in that the dns server needs to solve whether inquiry has stored
After the parsing result of the domain name of analysis and the domain name, DNS response message is also replied with multicast mode especially by following manner:
If not, it is determined that the DNS query mode of this dns server system；
According to identified DNS query mode, the query result information returned to user equipment is obtained, and reply with multicast mode
Query result information.
9. device according to claim 8, which is characterized in that in the case where determining DNS query result is recursive query,
The DNS query mode according to determined by is obtained the query result information returned to user equipment, and is replied with multicast mode
Query result information, comprising:
According to the DNS request message received, upstream dns server sends dns resolution request；
In the case where receiving the dns resolution result of upstream dns server return, according to the dns resolution as a result, with multicast side
Formula replys DNS response message, includes the domain name mapping result of the return in the response message.
10. device according to claim 8, which is characterized in that the dns server is especially by following manner, true
In the case where determining DNS query result for iterative query, according to identified DNS query mode, obtain to user equipment return
Query result information, and query result information is replied with multicast mode:
Obtain the address of upstream dns server；
The address of upstream dns server obtained is returned to the target UE for sending the DNS request message, so that should
Target UE is according to the address upstream dns server nslookup parsing result.
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| CN114465791A (en) * | 2022-01-25 | 2022-05-10 | 杭州盈高科技有限公司 | Method and device for establishing white list in network management equipment, storage medium and processor |
| CN114465791B (en) * | 2022-01-25 | 2024-04-30 | 杭州盈高科技有限公司 | Method and device for establishing white list in network management equipment, storage medium and processor |
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