CN107911498A - A kind of method and device that dns resolution is realized based on DNS proxy - Google Patents
A kind of method and device that dns resolution is realized based on DNS proxy Download PDFInfo
- Publication number
- CN107911498A CN107911498A CN201711190873.3A CN201711190873A CN107911498A CN 107911498 A CN107911498 A CN 107911498A CN 201711190873 A CN201711190873 A CN 201711190873A CN 107911498 A CN107911498 A CN 107911498A
- Authority
- CN
- China
- Prior art keywords
- dns
- dns server
- request message
- server
- cryptographic hash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1012—Server selection for load balancing based on compliance of requirements or conditions with available server resources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1036—Load balancing of requests to servers for services different from user content provisioning, e.g. load balancing across domain name servers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The application provides a kind of method and device that dns resolution is realized based on DNS proxy.A kind of method that dns resolution is realized based on DNS proxy, the method are applied to DNS proxy equipment, including：Receive DNS request message；According to the address information of the DNS request message, the corresponding cryptographic Hash of described address information is calculated using hash algorithm；The DNS request message is sent to by the corresponding dns server of the cryptographic Hash based on predetermined strategy, so that the dns server parses the domain name in the DNS request message.Compared with prior art, when the application can avoid same user equipment access service server, because the IP address of the service server acquired in access process is different so that caused by the change of subsequent packet transmission path network delay or it is unstable phenomena such as.
Description
Technical field
This application involves field of communication technology, more particularly to a kind of method and dress that dns resolution is realized based on DNS proxy
Put.
Background technology
In the prior art, to realize the load balancing of DNS (Domain Name System, domain name system) server, lead to
DNS proxy equipment can be often set between user equipment and dns server.Taken in user equipment according to the corresponding business of domain name access
During business device, the DNS request message for the carrying domain name that DNS proxy equipment can send user equipment according to preset algorithm turns
Hair, corresponding DNS service is sent to for example with poll or minimum bandwidth scheduling algorithm by the DNS request message that user equipment is sent
Device is parsed, to obtain the IP address for the service server that the dns server goes out according to above-mentioned domain name mapping.
At present, usually built together due to most of dns servers by multiple operators.The corresponding business clothes of same domain name
Business device usually has multiple IP address, and the associated operator of different IP address is different.In the prior art, when same user equipment
When same service server is repeatedly accessed according to same domain name, DNS proxy equipment may send each DNS request message
Parsed to different dns servers so that the IP address for the same service server that same user equipment obtains every time can
Can be different, cause the path that user equipment subsequently sends message to the service server possible different, in fact it could happen that cross operator
The transmission of message is carried out, phenomena such as so as to cause network delay, influences user experience.
The content of the invention
In view of this, the application provides a kind of method and device that dns resolution is realized based on DNS proxy, so that same use
The DNS request message of family equipment is sent to same dns server by DNS proxy equipment and carries out domain name mapping, so that same use
Family equipment carries out message transmissions when accessing same service server by identical path, avoids accessing same service server
During because of path change and caused by network delay or phenomena such as unstable networks.
Specifically, the application is achieved by the following technical solution：
A kind of method that dns resolution is realized based on DNS proxy, the method are applied to DNS proxy equipment, including：
Receive DNS request message；
According to the address information of the DNS request message, the corresponding Hash of described address information is calculated using hash algorithm
Value；
The DNS request message is sent to by the corresponding dns server of the cryptographic Hash based on predetermined strategy, so that institute
Dns server is stated to parse the domain name in the DNS request message.
Optionally, it is described that the DNS request message is sent to by the corresponding DNS clothes of the cryptographic Hash based on predetermined strategy
Business device, so that the dns server parses the domain name in the DNS request message, including：
Judge whether the cryptographic Hash exceeds total weighted value of dns server；
If exceeding, the cryptographic Hash and total weighted value of the dns server are remmed, determine the remainder hit
Dns server weight sector, and the DNS request message is sent to the corresponding dns server of the weight sector；
If without departing from, it is determined that the weight sector of the dns server of cryptographic Hash hit, and by the DNS request report
Text is sent to the corresponding dns server of the weight sector.
Optionally, the method further includes：
Weight parameter or weighted value are configured for the dns server according to the performance information of dns server；
The weight sector of the dns server is determined according to the weighted value of the dns server.
Optionally, the performance information includes the internal memory performance and cpu performance of dns server.
Optionally, described address information includes source IP address and/or purpose IP address.
A kind of device that dns resolution is realized based on DNS proxy, described device are applied to DNS proxy equipment, including：
Receiving module, for receiving DNS request message；
Computing module, for the address information according to the DNS request message, described address letter is calculated using hash algorithm
Cease corresponding cryptographic Hash；
Sending module, for the DNS request message to be sent to the corresponding DNS of the cryptographic Hash based on predetermined strategy
Server, so that the dns server parses the domain name in the DNS request message.
Optionally, the sending module, is additionally operable to：
Judge whether the cryptographic Hash exceeds total weighted value of dns server；
If exceeding, the cryptographic Hash and total weighted value of the dns server are remmed, determine the remainder hit
Dns server weight sector, and the DNS request message is sent to the corresponding dns server of the weight sector；
If without departing from, it is determined that the weight sector of the dns server of cryptographic Hash hit, and by the DNS request report
Text is sent to the corresponding dns server of the weight sector.
Optionally, described device further includes：
Weighted value is configured for the dns server according to the performance information of dns server；
The weight sector of the dns server is determined according to the weighted value of the dns server.
Optionally, the performance information includes the internal memory performance and cpu performance of dns server.
Optionally, described address information includes source IP address and/or purpose IP address.
The technical solution of the application, the address for the DNS request message that DNS proxy equipment can be sent according to user equipment are believed
Breath, calculates the corresponding cryptographic Hash of the address information, and the DNS request message can be sent to the clothes of the DNS corresponding to the cryptographic Hash
Business device.
The address information of the DNS request message repeatedly sent due to same user equipment is usually identical, and according to default
The corresponding cryptographic Hash of the address information that hash algorithm calculates is fixed, therefore in this application, DNS proxy equipment can incite somebody to action
The DNS request message of same user equipment is sent to same dns server, and then ensures to be directed to identical domain name, Yong Hushe
The standby identical IP address that can be received same dns server and return, can make same user equipment subsequently to service server
The message of transmission is transmitted through same path, so as to avoid the same service server process of same user equipment access
In, because message transmissions path constantly change caused by network delay or it is unstable phenomena such as.
Brief description of the drawings
Fig. 1 is a kind of networking diagram of dns server load balancing shown in the embodiment of the present application；
Fig. 2 is a kind of method flow diagram that dns resolution is realized based on DNS proxy shown in the embodiment of the present application；
Fig. 3 is a kind of hardware structure diagram of DNS proxy equipment shown in the embodiment of the present application；
Fig. 4 is a kind of structure diagram of device that dns resolution is realized based on DNS proxy shown in the embodiment of the present application.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the application.
It is only merely for the purpose of description specific embodiment in term used in this application, and is not intended to be limiting the application.
It is also intended in the application and " one kind " of singulative used in the attached claims, " described " and "the" including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
Containing the associated list items purpose of one or more, any or all may be combined.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, do not departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
In the prior art, to realize the load balancing of dns server, it will usually set between user equipment and dns server
DNS proxy equipment is put, as shown in Figure 1.In user equipment service server corresponding according to domain name access, DNS proxy equipment
The DNS request message for the carrying domain name that can be sent according to preset algorithm to user equipment is forwarded to, such as user equipment is sent out
The DNS request message sent is sent to the dns server selected using poll or minimum bandwidth scheduling algorithm and is parsed, and is somebody's turn to do with obtaining
The IP address for the service server that dns server goes out according to above-mentioned domain name mapping.
Since most of dns servers are typically what is built together by multiple operators.The corresponding server of same domain name leads to
Often there are multiple IP address, and the associated operator of different IP address is different.The scheme of the prior art, for same domain name
DNS request may be sent to different dns servers by DNS proxy equipment, and different dns servers is according to same domain name institute
The IP address of return may be different, therefore will likely cause same user equipment during same service server is accessed,
The IP address of the same service server obtained may be different, path when causing subsequently to send message to same service server
It is different, in fact it could happen that cross operator carries out the transmission of message, phenomena such as so as to cause network delay, influences user experience.
To solve the above-mentioned problems, this application provides a kind of method that dns resolution is realized based on DNS proxy, DNS proxy
Equipment can receive the DNS request message of user equipment transmission, and the address information in above-mentioned DNS request message uses Hash
Algorithm calculates corresponding cryptographic Hash, which can be sent to the dns server corresponding to the cryptographic Hash afterwards and carried out
Domain name mapping.
During same user equipment access service server, user equipment may be repeatedly to business service in access process
Device sends DNS request message, and the address information of the DNS request message sent every time is usually constant.Due to DNS proxy equipment root
According to the address information of above-mentioned DNS request message, the cryptographic Hash calculated based on default hash algorithm is fixed, therefore same user sets
Standby multiple DNS request message can be sent to same dns server by DNS proxy equipment.It is same again due under normal conditions
Platform dns server is typically constant according to the IP address that identical domain name mapping goes out, therefore is directed to identical domain name, DNS clothes
Being engaged in device can be to the identical IP address of the user's equipment return, the message that same user equipment will be made subsequently to be sent to service server
It can be transmitted through same path, during the same service server of same user equipment access, because of message
Transmission path constantly change caused by network delay or it is unstable phenomena such as.
Process, which is described, to be realized to the application below in conjunction with specific embodiment.
Please continue to refer to Fig. 1, it is assumed that DNS proxy equipment is corresponding with 3 dns servers, in the embodiment of the present application, can root
Performance information according to dns server is respectively 3 dns servers configuration weighted values, the energy so that the high dns server of performance is tried one's best
Domain name mapping is carried out to more DNS request message；Conversely, the relatively low dns server of performance can be to less DNS request message
Carry out domain name mapping.
Wherein, above-mentioned performance information can be the internal memory performance and cpu performance of dns server.And above-mentioned dns server
Weighted value can be configured by user, and it is automatically dns server point that default algorithm can also be based on by DNS proxy equipment
Match somebody with somebody, be not construed as limiting herein.
In addition, being determined for the weight sector of dns server, can be come according to the corresponding weighted value of each dns server true
It is fixed.For example, it is assumed that according to the performance information of dns server, the best performance of dns server 1, secondly dns server
2, it is finally dns server 3, the weighted value that can configure 3 dns servers at this time meets：Dns server 1>Dns server 2>
Dns server 3., then can be by this 3 DNS clothes for example the weighted value of configurable dns server 1,2 and 3 is respectively 40,20 and 10
Total weighted value of business device is arranged to 70, and the weight sector of dns server 1 can be arranged to [Isosorbide-5-Nitrae 0], the power of dns server 2
Weight section for (40,60], the weight sector of dns server 3 for (60,70].
In addition, in practical application, it is when total also 3 dns server weights can be configured according to the performance height of dns server
Weighted value.For example, the weight ratio of dns server 1,2 and 3 can be configured to 4 according to the performance of dns server：2：1, and by 3
Total weighted value of dns server is set to 70, then the weight sector of dns server 1 may be configured as [Isosorbide-5-Nitrae 0], the power of dns server 2
Weight section may be configured as (40,60], the weight sector of dns server 3 may be configured as (60,70].
It should be noted that the weight sector of above-mentioned dns server 1 may be alternatively provided as (30,70], the power of dns server 2
Weight section be arranged to (10,30], the weight sector of dns server 3 is arranged to [1,10], it is only necessary to ensures the power of each dns server
Weight siding-to-siding block length is equal to respective weighted value.
Wherein, when setting the weight sector of dns server, the weight sector that should ensure that 3 dns servers is continuous
's.
Please refer to Fig.2, Fig. 2 show a kind of method that dns resolution is realized based on DNS proxy shown in the embodiment of the present application
Flow chart, this method can be applied to DNS proxy equipment, and this method may include following basic step：
S201, receives DNS request message.
S202, according to the address information of the DNS request message, it is corresponding to calculate described address information using hash algorithm
Cryptographic Hash.
In general, during same according to the domain name access service server of user equipment, it can be sent to dns server and carry the industry
Business server corresponds to the DNS request message of domain name, can be to the DNS request report after dns server receives the DNS request message
The domain name carried in text is parsed, and the IP address of the corresponding service server of the domain name parsed is returned to user and is set
It is standby, so that user equipment subsequently accesses corresponding service server according to the IP address.
In the embodiment of the present application, the DNS request for carrying the service server domain name to be accessed that user equipment is sent
Message, can first be handled via DNS proxy equipment, be afterwards again sent to the DNS request message by DNS proxy equipment selected
Dns server carry out domain name mapping.
For DNS proxy equipment, when receiving the DNS request message of user equipment transmission, the DNS request report can extract out
The address information of text, according to the address information extracted, further can calculate the address information using preset algorithm.
Those skilled in the art should understand that preset algorithm can have much herein, hash algorithm can be usually used, herein
It is not construed as limiting, as long as a unique numerical value can be determined according to the address information of DNS request message.
In addition, address above mentioned information can be the source of the source IP address of DNS request message or DNS request message
IP address and purpose IP address, are not construed as limiting herein.
S203, judges whether the cryptographic Hash exceeds total weighted value of dns server.
S204, the cryptographic Hash and total weighted value of the dns server are remmed.
Following description by using use hash algorithm calculate DNS request message the corresponding cryptographic Hash of source IP address as
Example.
In the embodiment of the present application, after cryptographic Hash is calculated according to the address information of DNS request message, DNS proxy is set
The standby total weighted value for also needing to judge the dns server whether cryptographic Hash exceeds above-mentioned setting.If beyond total power of dns server
Weight values, then can perform step S204；If without departing from total weighted value of dns server, step S206 can perform.
Assuming that the source IP address for the DNS request message that user equipment 1 is sent is 112.2.78.133 in Fig. 1, and according to pre-
If hash algorithm the corresponding cryptographic Hash of the IP address is calculated as 4379399, it is known that, the cryptographic Hash is beyond setting
Total weighted value 70 of dns server, then further can rem total weighted value of the cryptographic Hash and dns server, finally
4379399 divided by 70 remainder is 59.Step S205 can further be performed according to the remainder drawn afterwards.
S205, determines the weight sector of the dns server of the remainder hit, and the DNS request message is sent to
The corresponding dns server of the weight sector.
In the embodiment of the present application, can further by the weight sector of the remainder drawn and above-mentioned 3 dns servers into
Row compares, and determines that the remainder hits the weight sector of which platform dns server.
Understood through comparing, above-mentioned gained remainder 59 hit dns server 2 weight sector (40,60], thus DNS proxy
The DNS request message of above-mentioned user equipment 1 can be sent to dns server 2 and carry out domain name mapping by equipment.
S206, determines the weight sector of the dns server of the cryptographic Hash hit, and the DNS request message is sent
Give the weight sector corresponding dns server.
In the embodiment of the present application, still exemplified by calculating cryptographic Hash according to the source IP address of DNS request message, it is assumed that Fig. 1
The source IP address for the DNS request message that middle user equipment 2 is sent is 112.2.78.1, and is calculated according to default hash algorithm
It is 33 to the corresponding cryptographic Hash of the IP address.It follows that the cryptographic Hash 33 of gained is calculated without departing from the dns server of setting
Total weighted value 70, and the weight sector of the cryptographic Hash 33 hit dns server 1 is [Isosorbide-5-Nitrae 0], then DNS proxy equipment can will be above-mentioned
The DNS request message of user equipment 2 is sent to dns server 1 and carries out domain name mapping.
It is pointed out that the source IP address of the DNS request message repeatedly sent due to same user equipment is usually identical,
Therefore the corresponding cryptographic Hash of above-mentioned source IP address calculated using default hash algorithm is identical, i.e., above-mentioned DNS request report
The corresponding cryptographic Hash of source IP address of text is fixed.Thus, according to foregoing description, DNS that same user equipment is repeatedly sent
Request message, can be sent to same dns server by DNS proxy equipment.The DNS request message that i.e. user equipment 1 is sent will
Dns server 2 is sent to by DNS proxy equipment, the DNS request message that user equipment 2 is sent will be sent to by DNS proxy equipment
Dns server 1.
In this application, the address information for the DNS request message that DNS proxy equipment can be sent according to user equipment, calculates
The corresponding cryptographic Hash of the address information, and can be in total weighted value of the cryptographic Hash beyond the dns server set, by the Hash
Value and total weighted value of dns server rem, afterwards by by the weight sector of above-mentioned cryptographic Hash or remainder and dns server
It is compared, so that it is determined which platform dns server the DNS request message of user equipment is sent to.
The address information of the DNS request message repeatedly sent due to same user equipment is usually identical, and according to pre- imputation
The corresponding cryptographic Hash of address information for the DNS request message that method calculates or counted remainder be fixed, therefore in this Shen
Please in, DNS request message that same user equipment is repeatedly sent, it will same DNS service is sent to by DNS proxy equipment
Device.Again due under normal conditions, same dns server according to the IP address that identical domain name mapping goes out be typically it is constant,
Therefore identical domain name is directed to, dns server can return to identical IP address to the user's equipment, after making same user equipment
Continue the message sent to same service server to be transmitted through same path, so as to avoid same user equipment access
During same service server, because message transmissions path constantly change caused by network delay or it is unstable phenomena such as.
Corresponding with a kind of foregoing embodiment for the method that dns resolution is realized based on DNS proxy, present invention also provides one
Kind realizes the embodiment of the device of dns resolution based on DNS proxy.
A kind of embodiment for the device that dns resolution is realized based on DNS proxy of the application can be applied in DNS proxy equipment
On.Device embodiment can be realized by software, can also be realized by way of hardware or software and hardware combining.It is real with software
It is by non-volatile memories by the processor of DNS proxy equipment where it as the device on a logical meaning exemplified by existing
Corresponding computer program instructions read what operation in memory was formed in device.For hardware view, as shown in figure 3, being this
Apply for a kind of hardware structure diagram of DNS proxy equipment where the device of dns resolution is realized based on DNS proxy, except shown in Fig. 3
Outside processor, memory, network outgoing interface and nonvolatile memory, the DNS proxy equipment in embodiment where device is led to
Often according to the actual functional capability of the DNS proxy equipment, other hardware can also be included, this is repeated no more.
Please refer to Fig.4, Fig. 4 is a kind of knot of device that dns resolution is realized based on DNS proxy shown in the embodiment of the present application
Structure schematic diagram, the device can include with lower module：
Receiving module 410, for receiving DNS request message；
Computing module 420, for the address information according to the DNS request message, is calculated described using hash algorithm
The corresponding cryptographic Hash of location information；
Sending module 430, it is corresponding for the DNS request message to be sent to the cryptographic Hash based on predetermined strategy
Dns server, so that the dns server parses the domain name in the DNS request message.
In the embodiment of the present application, the sending module 430 is additionally operable to：
Judge whether the cryptographic Hash exceeds total weighted value of dns server；
If exceeding, the cryptographic Hash and total weighted value of the dns server are remmed, determine the remainder hit
Dns server weight sector, and the DNS request message is sent to the corresponding dns server of the weight sector；
If without departing from, it is determined that the weight sector of the dns server of cryptographic Hash hit, and by the DNS request report
Text is sent to the corresponding dns server of the weight sector.
In the embodiment of the present application, described device further includes：
Weighted value is configured for the dns server according to the performance information of dns server；
The weight sector of the dns server is determined according to the weighted value of the dns server.
In the embodiment of the present application, the performance information includes the internal memory performance and cpu performance of dns server.
In the embodiment of the present application, described address information includes source IP address and/or purpose IP address.
The function of unit and effect realizes that process specifically refers to step is corresponded in the above method in above device
Realize process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related part is real referring to method
Apply the part explanation of example.Device embodiment described above is only schematical, wherein described be used as separating component
The unit of explanation may or may not be physically separate, can be as the component that unit is shown or can also
It is not physical location, you can with positioned at a place, or can also be distributed in multiple network unit.Can be according to reality
Need to select some or all of module therein to realize the purpose of application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
The foregoing is merely the preferred embodiment of the application, not limiting the application, all essences in the application
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of the application protection.
Claims (10)
- A kind of 1. method that dns resolution is realized based on DNS proxy, it is characterised in that the method is applied to DNS proxy equipment, Including：Receive DNS request message；According to the address information of the DNS request message, the corresponding cryptographic Hash of described address information is calculated using hash algorithm；The DNS request message is sent to by the corresponding dns server of the cryptographic Hash based on predetermined strategy, so that described Dns server parses the domain name in the DNS request message.
- 2. according to the method described in claim 1, it is characterized in that, it is described based on predetermined strategy by the DNS request message The corresponding dns server of the cryptographic Hash is sent to, including：Judge whether the cryptographic Hash exceeds total weighted value of dns server；If exceeding, the cryptographic Hash and total weighted value of the dns server are remmed, determine the remainder hit The weight sector of dns server, and the DNS request message is sent to the corresponding dns server of the weight sector；If without departing from, it is determined that the weight sector of the dns server of the cryptographic Hash hit, and the DNS request message is sent out Give the weight sector corresponding dns server.
- 3. according to the method described in claim 2, it is characterized in that, further include：Weighted value is configured for the dns server according to the performance information of dns server；The weight sector of the dns server is determined according to the weighted value of the dns server.
- 4. according to the method described in claim 3, it is characterized in that, the performance information includes the internal memory performance of dns server And cpu performance.
- 5. according to the method described in claim 1, it is characterized in that, described address information includes source IP address and/or destination IP Address.
- A kind of 6. device that dns resolution is realized based on DNS proxy, it is characterised in that described device is applied to DNS proxy equipment, Including：Receiving module, for receiving DNS request message；Computing module, for the address information according to the DNS request message, described address information pair is calculated using hash algorithm The cryptographic Hash answered；Sending module, for the DNS request message to be sent to the corresponding DNS service of the cryptographic Hash based on predetermined strategy Device, so that the dns server parses the domain name in the DNS request message.
- 7. device according to claim 6, it is characterised in that the sending module is additionally operable to：Judge whether the cryptographic Hash exceeds total weighted value of dns server；If exceeding, the cryptographic Hash and total weighted value of the dns server are remmed, determine the remainder hit The weight sector of dns server, and the DNS request message is sent to the corresponding dns server of the weight sector；If without departing from, it is determined that the weight sector of the dns server of the cryptographic Hash hit, and the DNS request message is sent out Give the weight sector corresponding dns server.
- 8. device according to claim 7, it is characterised in that further include：Weighted value is configured for the dns server according to the performance information of dns server；The weight sector of the dns server is determined according to the weighted value of the dns server.
- 9. device according to claim 8, it is characterised in that the performance information includes the internal memory performance of dns server And cpu performance.
- 10. device according to claim 6, it is characterised in that described address information includes source IP address and/or destination IP Address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190873.3A CN107911498A (en) | 2017-11-24 | 2017-11-24 | A kind of method and device that dns resolution is realized based on DNS proxy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190873.3A CN107911498A (en) | 2017-11-24 | 2017-11-24 | A kind of method and device that dns resolution is realized based on DNS proxy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107911498A true CN107911498A (en) | 2018-04-13 |
Family
ID=61847741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711190873.3A Pending CN107911498A (en) | 2017-11-24 | 2017-11-24 | A kind of method and device that dns resolution is realized based on DNS proxy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107911498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556154A (en) * | 2020-04-27 | 2020-08-18 | 深圳震有科技股份有限公司 | Data transmission method, device, equipment and computer readable storage medium |
| CN113067781A (en) * | 2020-01-02 | 2021-07-02 | 阿里巴巴集团控股有限公司 | Data processing method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007050244A2 (en) * | 2005-10-27 | 2007-05-03 | Georgia Tech Research Corporation | Method and system for detecting and responding to attacking networks |
| CN101616079A (en) * | 2009-07-30 | 2009-12-30 | 杭州华三通信技术有限公司 | The NAT outbound load-balancing method and the device of DNS request message |
| CN103873293A (en) * | 2014-03-05 | 2014-06-18 | 杭州华三通信技术有限公司 | Health detection device and method |
| CN105577843A (en) * | 2014-11-07 | 2016-05-11 | 华耀(中国)科技有限公司 | System and method for realizing link load balance based on multi-strategy DNS proxy |
-
2017
- 2017-11-24 CN CN201711190873.3A patent/CN107911498A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007050244A2 (en) * | 2005-10-27 | 2007-05-03 | Georgia Tech Research Corporation | Method and system for detecting and responding to attacking networks |
| CN101616079A (en) * | 2009-07-30 | 2009-12-30 | 杭州华三通信技术有限公司 | The NAT outbound load-balancing method and the device of DNS request message |
| CN103873293A (en) * | 2014-03-05 | 2014-06-18 | 杭州华三通信技术有限公司 | Health detection device and method |
| CN105577843A (en) * | 2014-11-07 | 2016-05-11 | 华耀(中国)科技有限公司 | System and method for realizing link load balance based on multi-strategy DNS proxy |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067781A (en) * | 2020-01-02 | 2021-07-02 | 阿里巴巴集团控股有限公司 | Data processing method and device |
| CN111556154A (en) * | 2020-04-27 | 2020-08-18 | 深圳震有科技股份有限公司 | Data transmission method, device, equipment and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106899680B (en) | The fragment treating method and apparatus of multi-tiling chain | |
| CN101815033B (en) | Method, device and system for load balancing | |
| US8812727B1 (en) | System and method for distributed load balancing with distributed direct server return | |
| US10313362B2 (en) | Systems and methods for real-time configurable load determination | |
| US9843630B2 (en) | System and method for distributed load balancing with load balancer clients for hosts | |
| KR101383905B1 (en) | method and apparatus for processing server load balancing with the result of hash function | |
| CN105337786B (en) | A kind of server performance detection method, device and equipment | |
| CN106067890B (en) | A kind of domain name analytic method, apparatus and system | |
| CN110166570B (en) | Service session management method and device, and electronic device | |
| CN108259425A (en) | The determining method, apparatus and server of query-attack | |
| CN102075561B (en) | Method, device and system for downloading network resources | |
| CN105940655A (en) | System for protection against DDos attacks | |
| CN108933829A (en) | A kind of load-balancing method and device | |
| CN108200165A (en) | Ask Transmission system, method, apparatus and storage medium | |
| CN107347015B (en) | Method, device and system for identifying content distribution network | |
| CN109510809A (en) | Method for accessing domain name and device | |
| CN105791381A (en) | Access control method and apparatus | |
| US10382339B2 (en) | Large scale bandwidth management of IP flows using a hierarchy of traffic shaping devices | |
| CN103401799A (en) | Method and device for realizing load balance | |
| CN107911498A (en) | A kind of method and device that dns resolution is realized based on DNS proxy | |
| CN110691139B (en) | Data transmission method, device, equipment and storage medium | |
| CN108111567A (en) | Realize the uniform method and system of server load | |
| CN109600273A (en) | A kind of optimization method and system of UDP message transmission performance | |
| CN104734939B (en) | Session keep-alive method and equipment | |
| Kontogiannis et al. | ALBL: an adaptive load balancing algorithm for distributed web systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180413 |
|
| RJ01 | Rejection of invention patent application after publication |