CN106131229A - The processing method of CDN business, equipment and communication system - Google Patents
The processing method of CDN business, equipment and communication system Download PDFInfo
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- CN106131229A CN106131229A CN201610834986.1A CN201610834986A CN106131229A CN 106131229 A CN106131229 A CN 106131229A CN 201610834986 A CN201610834986 A CN 201610834986A CN 106131229 A CN106131229 A CN 106131229A
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- domain name
- address
- web server
- dns
- target area
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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
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
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- 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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- 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
Abstract
The embodiment of the invention discloses the processing method of CDN business, equipment and communication system.For improving domain name resolution efficiency.The method comprise the steps that domain name resolution server DNS obtains the first list information from the management equipment of content distribution network CDN service business, first list information includes the IP address of domain name, target area, web server, and the IP address of web server is respectively provided with mapping relations with domain name and target area；DNS receives the domain name mapping request that home domain name resolution server LDNS sends, and domain name mapping request includes the IP address of target domain name and LDNS；DNS determines target area according to the IP address of described LDNS, and according to the first list information, determines the IP address of destination Web server in the target area that target domain name is corresponding；DNS sends the IP address of destination Web server to LDNS.The embodiment of the present invention additionally provides domain name resolution server, management equipment and communication system.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to the processing method of CDN business, equipment and lead to
Communication system.
Background technology
Content distributing network (Content Delivery Network, abbreviation: be CDN) by existing Internet
Increase by one layer of new network architecture, the content of website is published to the network " edge " closest to user, make the user can be nearby
Content needed for acquirement, thus solve Internet network congestion condition, improve user and access the response speed of website.
In usual way, when home domain name resolution server (Local Domain Name Server, abbreviation: LDNS)
When the domain name mapping of the netizen's client transmission receiving this area (Beijing) is asked, local domain name server (Local
Domain Name Server, abbreviation: LDNS) to domain name resolution server (Domain Name Server, abbreviation: DNS) send out
Giving this domain name mapping to ask, during DNS accesses DNS at different levels successively by recursion resolution, DNS is by the another name of this domain name
(cname) feed back to LDNS, after LDNS receives cname, again by recursive query, obtain this cname correspondence web server
IP address, the IP address of a web server of the Beijing area that parsing is obtained by LDNS feeds back to the client of this netizen,
These IP address acquisition data of this client-access.
In said method, final IP address is fed back to client, at least need twice recursion resolution, be for the first time
During DNS accesses DNS at different levels successively by recursion resolution, the another name (cname) of this domain name is fed back to LDNS by DNS, the
Secondary is after LDNS receives cname, again by recursive query, obtains the IP address of web server corresponding for this cname.
Domain name resolution efficiency is relatively low, adds the time of the wait of netizen.
Summary of the invention
Embodiments provide the processing method of CDN business, equipment and communication system, be used for, save domain name mapping
Time, improve domain name resolution efficiency.
First aspect, the embodiment of the present invention provides the processing method of a kind of CDN business, including:
Domain name resolution server DNS obtains the first list information from the management equipment of content distribution network CDN service business, the
One list information includes the IP address of domain name, target area, web server, the IP address of described web server and domain name
It is respectively provided with mapping relations with described target area.
DNS receives the domain name mapping request that home domain name resolution server LDNS sends, and domain name mapping request includes target
The IP address of domain name and LDNS.
DNS determines target area according to the IP address of described LDNS；
DNS according to the first list information, determines the IP ground of destination Web server in the target area that target domain name is corresponding
Location.
DNS sends the IP address of destination Web server to LDNS.
In a kind of possible implementation, DNS obtains the first list information from multiple management equipment, including:
DNS periodically obtains the first list information to management equipment, and the first list information also includes the negative of web server
Information carrying breath and/or performance state information；
DNS according to the first list information, determines the IP ground of destination Web server in the target area that target domain name is corresponding
Location, including:
DNS determines the IP address of web server in target area according to the first list information；
DNS determines the IP address of destination web server according to the load information of web server and/or performance state information,
Destination web server is that load information is better than threshold value, and/or, performance state information is better than the web server of threshold value.
In a kind of possible implementation, DNS receives the home domain name resolution server LDNS transmission of target area
After domain name mapping request, method also includes:
DNS obtains the second list information of target area to management equipment, in the second list information includes target area
The load information of web server and/or performance state information；
DNS according to the first list information, determines the IP ground of destination Web server in the target area that target domain name is corresponding
Location, including:
DNS determines the IP address of web server in target area according to the first list information；
DNS determines target web according to load information and/or the performance state information of web server in the second list information
The IP address of server, destination web server is that load information is better than threshold value, and/or, performance state information is better than threshold value
Web server.
In a kind of possible implementation, domain name resolution server DNS is from the management of content distribution network CDN service business
Equipment obtains the first list information, including:
DNS obtains object listing information from multiple management equipment, and multiple management equipment belong to different CDN service business, mesh
Mark list information includes the IP address of domain name, target area, web server, the IP address of described web server and domain name
It is respectively provided with mapping relations with described target area；
Multiple object listing information are merged by DNS, obtain the first list information.
Second aspect, embodiments provides the processing method of a kind of CDN business, including:
The management equipment of content distribution network CDN service business provides the first list information to domain name resolution server DNS, the
One list information includes the IP address of domain name, target area, web server, the IP address of described web server and domain name
Being respectively provided with mapping relations with described target area, the first list information sends for the LDNS receiving target area as DNS
During domain name mapping request, domain name mapping request includes the IP address of target domain name and LDNS, and described DNS is according to the IP of described LDNS
Address determines target area, and according to the first list information, determines the Goal Web Services in the target area that target domain name is corresponding
The IP address of device, so that DNS sends the IP address of destination Web server to LDNS.
In a kind of possible implementation, the management equipment of CDN service business provides first to domain name resolution server DNS
List information, including:
The load information of each web server in the acquisition region, subregion of management device periodically and/or performance shape
State information；
Management equipment obtains the first list information according to the IP address of load information and multiple web server；
Manage device periodically provides the first list information to DNS.
In a kind of possible implementation, method also includes:
Management equipment receives the request that DNS sends, and request includes target area information；
Management equipment is according to the load information of the web server in acquisition request target area and/or performance state information；
Management equipment is believed according to the load information of web server and/or the IP list of performance state information, web server
Breath generates the second list information；
Management equipment sends the second list information to DNS.
The third aspect, embodiments provides domain name resolution server, including:
Acquisition module, for obtaining the first list information, first row from the management equipment of content distribution network CDN service business
Table information includes the IP address of domain name, target area, web server, the IP address of described web server and domain name and institute
State target area and be respectively provided with mapping relations；
Receiver module, for receiving the domain name mapping request that home domain name resolution server LDNS sends, domain name mapping please
Ask the IP address including target domain name and described LDNS；
Determining module, the IP address of the described LDNS for receiving according to described receiver module determines target area；And root
The first list information obtained according to acquisition module, determines the target in the target area that target domain name that receiver module receives is corresponding
The IP address of Web server；
Sending module, for sending the IP address of the destination Web server determining that module determines to LDNS.
In a kind of possible implementation, determine that module also includes that first determines that unit and second determines unit；
Acquisition module, is additionally operable to periodically obtain the first list information to management equipment, and the first list information also includes
The load information of web server and/or performance state information；
First determines unit, and the first list information for obtaining according to acquisition module determines the web clothes in target area
The IP address of business device；
Second determines unit, for determining load information and/or the performance shape of web server that unit determines according to first
State information determines the IP address of destination web server, and destination web server is that load information is better than threshold value, and/or, performance shape
State information is better than the web server of threshold value.
In a kind of possible implementation, determine that module also includes that first determines that unit and second determines unit；
Acquisition module, is additionally operable to obtain the second list information of target area from management equipment, and the second list information includes
The load information of the web server in target area and/or performance state information；
First determines unit, and the first list information for obtaining according to acquisition module determines the web clothes in target area
The IP address of business device；
Second determines unit, the load information of web server in the second list information obtained according to acquisition module
And/or performance state information determines the IP address of destination web server, destination web server is that load information is better than threshold value,
And/or, performance state information is better than the web server of threshold value.
In a kind of possible implementation, also include that list merges module；
Acquisition module, is additionally operable to obtain object listing information from multiple management equipment, and multiple management equipment belong to different
CDN service business, described object listing information includes the IP address of domain name, target area, web server, described web server
IP address is respectively provided with mapping relations with domain name and described target area；；
List merges module, and the object listing information obtained by multiple acquisition modules merges, and obtains the first list letter
Breath.
Fourth aspect, embodiments provides management equipment, including:
Sending module, for providing the first list information, the first list information to include territory to domain name resolution server DNS
Name, target area, the IP address of web server, the IP address of described web server is equal with domain name and described target area
There are mapping relations, during the domain name mapping request that the first list information sends for the LDNS receiving target area as DNS, territory
Name analysis request includes the IP address of target domain name LDNS, and described in DNS, the IP address of LDNS determines target area, and according to first
List information, determines the IP address of destination Web server in the target area that target domain name is corresponding, so that DNS sends out to LDNS
Send the IP address of destination Web server.
In a kind of possible implementation, also include: acquisition module and determine module；
Acquisition module, the load information of each web server in acquisition region, periodic subregion and/or property
Can status information；
Determine module, obtain for the load information obtained according to acquisition module and the IP address of multiple web server
One list information；
Sending module, is additionally operable to periodically provide to DNS determine the first list information that module determines.
In a kind of possible implementation, also include: receiver module and generation module；
Receiver module, for receiving the request that DNS sends, request includes target area information；
Acquisition module, the load of the web server being additionally operable in the acquisition request target area according to receiver module reception
Information and/or performance state information；
Generation module, the load information and/or the performance state that are additionally operable to the web server according to acquisition module acquisition are believed
Breath, the IP list information of web server generate the second list information；
Sending module, is additionally operable to send, to DNS, the second list information that generation module generates.
5th aspect, embodiments provides communication system, including: domain name resolution server DNS and content distribution
The management equipment of network C DN service provider；
DNS obtains the first list information to the management equipment of content distribution network CDN service business, and the first list information includes
The IP address of multiple web servers, each IP address and domain name have mapping relations.
DNS receives the domain name mapping request that the home domain name resolution server LDNS of target area sends, and domain name mapping please
Ask and include target domain name.
DNS according to the first list information, determines the IP ground of destination Web server in the target area that target domain name is corresponding
Location.
DNS sends the IP address of destination Web server to LDNS.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In the embodiment of the present invention, obtain the first list information by DNS to the management equipment of CDN service business, this first row
Table information includes that the first list information includes the IP address of domain name, target area, web server, the IP ground of described web server
Location is respectively provided with mapping relations with domain name and described target area, when DNS receives the domain name that the LDNS of target area sends
During analysis request, this DNS can determine the Web service in the target area that target domain name is corresponding according to object listing information
The IP address of device.Scheduling granularity is optimized to the IP address of each Web server, and scheduling granularity more refines；And change biography
System method needs business to be switched to CDN service business by the way of cname, then obtains by secondary recursion resolution mode is final
To the mode of IP address, it is greatly saved the parsing time, thus saves the waiting time of netizen.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the communication system in the embodiment of the present invention；
Fig. 2 is an embodiment schematic diagram of the processing method of the CDN business in the embodiment of the present invention；
Fig. 3 is another embodiment schematic diagram of the processing method of the CDN business in the embodiment of the present invention；
Fig. 4 is another embodiment schematic diagram of the processing method of the CDN business in the embodiment of the present invention；
Fig. 5 is another embodiment schematic diagram of the processing method of the CDN business in the embodiment of the present invention；
Fig. 6 is an example structure schematic diagram of the domain name resolution server in the embodiment of the present invention；
Fig. 7 is another example structure schematic diagram of the domain name resolution server in the embodiment of the present invention；
Fig. 8 is another example structure schematic diagram of the domain name resolution server in the embodiment of the present invention；
Fig. 9 is an example structure schematic diagram of the management equipment in the embodiment of the present invention；
Figure 10 is another example structure schematic diagram of the management equipment in the embodiment of the present invention.
Detailed description of the invention
Embodiments providing the processing method of CDN business, equipment and communication system, scheduling granularity is optimized to each
The IP address of Web server, scheduling granularity more refines；And change and traditional method needs incite somebody to action by the way of cname
Business is switched to CDN service business, then is finally given the mode of IP address by secondary recursion resolution mode, is greatly saved solution
The analysis time, thus save the waiting time of netizen.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd " "
Four " etc. (if present) is for distinguishing similar object, without being used for describing specific order or precedence.Should manage
Solve the data so used can exchange in the appropriate case, in order to the embodiments described herein can be with except here illustrating
Or the order enforcement beyond the content described.Additionally, term " includes " and " having " and their any deformation, it is intended that
Cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment need not limit
In those steps clearly listed or unit, but can include the most clearly listing or for these processes, method, product
Product or intrinsic other step of equipment or unit.
Embodiments providing the processing method of CDN business, the method is applied to a kind of communication system, refers to figure
Shown in 1, Fig. 1 is the schematic diagram of communication system.This communication system includes client 110, home domain name resolution server
LDNS120, domain name resolution server DNS130, management equipment 140.This management equipment belongs to CDN service business, needs explanation
Being that this management equipment can be understood as the set of multiple management equipment, in the set of this management equipment, each management equipment can
To belong to different CDN service business, or, it is also possible to refer to the management equipment of a CDN service business, concrete implementation form,
Actual application does not limits.
DNS 130 obtains the first list information from the management equipment 140 of CDN service business, and this first list information includes territory
Name, target area, the IP address of web server, the IP address of described web server and domain name have mapping relations, web services
The IP address of device and target area have mapping relations.The client 110 of target area (such as, Beijing) sends to LDNS120
Domain name mapping request, this domain name mapping request include that target domain name, such as this target domain name can be www.a.com.
LDNS120 inquires about local cache list, if not having the cache information of www.a.com, then this LDNS120 in this local cache list
Asking to this DNS130 sending domain name analysis, this domain name mapping request includes the IP address of target domain name and LDNS.This DNS130
Receiving the domain name mapping request that the home domain name resolution server LDNS of target area sends, this domain name mapping request includes target
The IP address of domain name and LDNS.
This DNS130 determines target area according to the IP address of this LDNS, and according to this first list information, determines this mesh
The IP address of the destination Web server in the target area that mark domain name is corresponding.This DNS130 sends this target to this LDNS120
The IP address of Web server.LDNS120 is to the client 110 feedback target Web server in target area (such as, Beijing)
IP address.Client 110 initiates web request to destination Web server 150, and obtains data.
Referring to Fig. 2, an embodiment of the processing method embodiments providing CDN business includes:
Step 201, DNS obtain the first list information from the management equipment of CDN service business, and this first list information includes territory
Name, target area, the IP address of web server, the IP address of described web server and domain name have mapping relations, web services
The IP address of device and target area have mapping relations.
DNS obtains the first list information from management equipment, and the concrete mode of acquisition can be: DNS sends to management equipment
For obtaining the request of the first list information, this DNS feeds back the first list information according to this request to DNS.Or, it is also possible to for
Management equipment actively reports to this DNS.In actual applications, concrete implementation mode, the present invention does not limits.
Step 202, LDNS ask to DNS sending domain name analysis, and this domain name mapping request includes target domain name and LDNS
IP address.
Such as, the domain name mapping request that the client of target area (such as, Beijing) sends to LDNS, this domain name mapping please
Asking and include target domain name, such as this target domain name can be www.a.com.LDNS inquires about local cache list, if not having
The cache information of www.a.com, then this LDNS asks to DNS sending domain name analysis, and this domain name mapping request includes target domain name.
Step 203, DNS, according to this first list information, determine target Web in the target area that this target domain name is corresponding
The IP address of server；
Such as, the first list information is as shown in table 1 below:
Table 1
| Target domain name | Target area | IP address |
| www.a.com | beijing | 101.101.101.101 |
| www.a.com | shanghai | 202.202.202.202 |
| www.a.com | guangdong | 303.303.303.303 |
If target area is Beijing, then DNS determines that the IP address of destination web server is " 101.101.101.101 ".
Step 204, DNS send the IP address of this destination Web server to this LDNS.
The IP address of destination web server is that " 101.101.101.101 " sends to LDNS by DNS.So that LDNS will
Feeding back to client to IP address, client sends request according to this IP address to web server, to obtain data.
In the embodiment of the present invention, obtain the first list information by DNS to the management equipment of CDN service business, this first row
Table information includes the IP address of domain name, target area, web server, and the IP address of described web server and domain name have mapping
Relation, the IP address of web server and target area have mapping relations, when DNS receives the LDNS transmission of target area
During domain name mapping request, this DNS can determine target area according to the IP address of the LDNS in domain name mapping request, and according to mesh
Mark list information, determines the IP address of Web server in the target area that target domain name is corresponding.Scheduling granularity is optimized to often
The IP address of individual Web server, scheduling granularity more refines；And change business in traditional method by cname mode
It is switched to CDN service business, then is finally given the mode of IP address by secondary recursion resolution mode, when being greatly saved parsing
Between, thus save the waiting time of netizen.
In the embodiment of the present invention, owing to there is no cross-domain cname, it is not necessary to business domain name cname is accelerated domain name to CDN,
The information of service provider will not be revealed.Such as, if the entitled www.a.com of aiming field, in traditional method, cname is
" www.a.nn.com ", in www.a.nn.com, " nn " is the title of CDN service business, readily appreciates that from this cname,
Which client CDN service business has serviced, and easily reveals commercial matters information.In the embodiment of the present invention, not by the mode of cname
Introduce CDN business, but directly obtain the first list information by authority DNS from management equipment, obtain the web clothes that can service
The IP address of business device realizes introducing CDN business, therefore can be effectively protected the information of CDN service business.
Referring to Fig. 3, another embodiment of the processing method embodiments providing CDN business includes:
Step 301, the subregion of management device periodically obtain the first list information in this region.
Concrete, the subregion of this management device periodically obtains the load information of each web server in this region
And/or performance state information.This management equipment generates the first list according to the IP address of this load information and multiple web server
Information.
It is understood that such as, managing the trizonal web server of equipment control, three regions are respectively " north
Capital ", " Shanghai " and " Guangdong " three regions, each region can include at least one web server.It should be noted that should
Three regions are merely illustrative, rather than the limited explanation of the scope to region.
In a kind of possible implementation, management equipment first can subregional acquisition zones of different original
The IP list of web server.Then, the load of each web server in each region of the subregional acquisition of this management equipment
Information, performance state information etc..Such as, this performance state information can be the line speed of web server, web server energy
Enough loading ranges processed, handling capacity and response time etc..This management equipment can be believed according to the load of each web server
Breath and/or performance state information screen in the IP list of original web server, filter out load information and/or property
Energy status information is better than the destination web server of threshold value, finally determines the first list information, and this first list information includes
The IP address of web server, the load information of this web server and/or performance state information.
It should be noted that carrying out screening the mistake of destination web server by load information and/or performance state information
Cheng Zhong, can include a lot of scheme, be exemplified below.Such as, (1) can only consider load information, screening load letter
It is destination web server that breath is better than the web server of first threshold.(2) only considering performance state information, screenability state is believed
It is destination web server that breath is better than the web server of Second Threshold.(3) COMPREHENSIVE CALCULATING load information and performance state information power
Weight, determines destination web server according to this weight.(4) load information and performance state information are superior to threshold value, are defined as target
Web server.Said method is merely illustrative, and also indefiniteness explanation, in actual applications, concrete method is the most not
Limit.
Step 302, this management device periodically send this first list information to this DNS.
Manage device periodically sends this first list information to this DNS, so that this first list information can week
Phase property updates so that web server scheduling is more accurate.
Step 303, LDNS ask to DNS sending domain name analysis, and this domain name mapping request includes target domain name and LDNS
IP address.
Such as, the domain name mapping request that the client of target area (such as, Beijing) sends to LDNS, this domain name mapping please
Asking and include target domain name, such as this target domain name can be www.a.com.LDNS inquires about local cache list, if not having
The cache information of www.a.com, then this LDNS asks to DNS sending domain name analysis, and this domain name mapping request includes target domain name
IP address with LDNS.
Step 304, this DNS determine target area according to the IP address of LDNS, and according to this first row of periodic receipt
Table information, determines the IP address of destination Web server in the target area that this target domain name is corresponding.
Such as, the IP address of the destination web server that this DNS finally determines is " 202.202.202.202 ", this target
The address of service of web server is Beijing, and available bandwidth is " 10G ".Step 305, this DNS send this target Web to this LDNS
The IP address of server.
In the embodiment of the present invention, obtain the first list information by DNS to the management equipment of CDN service business, this first row
Table information includes the IP address with domain name with the web server of mapping relations, when DNS receives the LDNS transmission of target area
Domain name mapping request time, this DNS can determine in the target area that target domain name is corresponding according to object listing information
The IP address of Web server.Scheduling granularity is optimized to the IP address of each Web server, and scheduling granularity more refines；And change
Become in traditional method and by cname mode business has been switched to CDN service business, more final by secondary recursion resolution mode
To the mode of IP address, it is greatly saved the parsing time, thus saves the waiting time of netizen.
Referring to Fig. 4, another embodiment of the processing method embodiments providing CDN business includes:
Step 401, DNS periodically obtain object listing information from multiple management equipment.
Multiple management equipment belong to different CDN service business, and object listing information includes the IP ground of multiple web server
Location, domain name, target area, the IP address of each web server and domain name have mapping relations, the IP ground of each web server
Location and target area have mapping relations.Each management device periodically reports object listing information, and this step can be in conjunction with Fig. 3
The corresponding step 301 in embodiment understands to step 303.Do not repeat.
Multiple object listing information are merged by step 402, this DNS, obtain the first list information.
Multiple object listing information are merged by DNS, obtain the first list information, say, that this first list is believed
Breath includes the information of the web server that the management equipment of multiple CDN service business is managed, and this first list information is one
The data base of web server.
Step 403, LDNS ask to DNS sending domain name analysis, and this domain name mapping request includes target domain name and LDNS
IP address.
Such as, the domain name mapping request that the client of target area (such as, Beijing) sends to LDNS, this domain name mapping please
Asking and include target domain name, such as this target domain name can be www.a.com.LDNS inquires about local cache list, if not having
The cache information of www.a.com, then this LDNS asks to DNS sending domain name analysis, and this domain name mapping request includes target domain name.
Step 404, DNS determine target area according to the IP address of LDNS, and according to the first list information, determine aiming field
The IP address of the destination Web server in the target area that name is corresponding.
DNS includes the covering scheme dynamically adjusted, and this covering scheme can be understood as quality of service requirement, and such as, this covers
Lid scheme may include that can according to quality of service requirement, target area (such as, Beijing), the load information of web server,
The parameters such as performance state information.
DNS can mate with the relevant parameter in the first list information according to the covering scheme of self.Finally determine
The IP address of optimum web server.Such as, the IP address of web server corresponding to target domain name in the first list information
Can there be two, first web server of the first CDN service business that the first management equipment that is respectively as follows: reports, web clothes
The IP address of business device is " 101.101.101.101 ".Another is the second of the second CDN service business that the second management equipment reports
Web server, the IP address of this second web server is " 202.202.202.202 ".
The concrete grammar further determining that destination web server can be: DNS can calculate in the first list information respectively
The difference value of parameter and the identical parameters covered in template of each web server.Such as, parameter is carried out with load information
Illustrate.The load information of each web server and the difference value of the load information covered in template can be calculated respectively,
Thus can calculate two difference value, then compare the size of the two difference value, difference value is the least shows this web server
Load information more meet the requirements.Destination web server is determined further in two web services.On it should be noted that
The method of stating is merely illustrative, and indefiniteness explanation, the most concrete method, does not limits.
Step 405, DNS send the IP address of destination Web server to LDNS.
In the embodiment of the present invention, DNS can periodically obtain the object listing information of multiple management equipment, multiple management
Equipment belongs to different service providers, and the object listing information that multiple management equipment report is merged, and obtains first row
Table information, thus obtain the information on services of multiple CDN service business, according to quality of service requirement, DNS can determine that target web takes
The IP address of business device.Scheduling granularity is optimized to the IP address of each Web server, and scheduling granularity more refines；Change tradition
Business is switched to CDN service business by cname mode by method, then finally gives IP address by secondary recursion resolution mode
Mode, be greatly saved the parsing time, thus save the waiting time of netizen.And improve service quality, thus
The destination web server performance indications making netizen access get a promotion.
Referring to shown in Fig. 5, the embodiment of the present invention additionally provides another embodiment bag of the processing method of CDN business
Include:
Step 501, domain name resolution server DNS obtain first row to the management equipment of content distribution network CDN service business
Table information, the first list information includes the IP address of domain name, target area, web server, the IP address of described web server
Having mapping relations with domain name, the IP address of web server and target area have mapping relations.This step is incorporated by reference to Fig. 2 pair
Step 201 in the embodiment answered understands.
Step 502, LDNS ask to DNS sending domain name analysis, and this domain name mapping request includes target domain name and LDNS
IP address.
This step understands incorporated by reference to the step 202 in embodiment corresponding for Fig. 2.
Step 503, DNS obtain the second list letter of target area according to domain name analysis request to described management equipment
Breath, described second list information includes load information and/or the performance state information of the web server in target area.
Step 504, described DNS determine the IP address of web server in target area according to described first list information.
Such as, DNS determines two web servers in Beijing Area according to the first list information, IP address for respectively
For: " 101.101.101.101 " and " 202.202.202.202 ".
It should be noted that the IP address of the web server in the embodiment of the present invention is for illustrating, and also indefiniteness
Explanation.
Step 505, DNS are according to the described load information of web server described in described second list information and/or performance
Status information determines the IP address of destination web server.
Described destination web server is that described load information is better than threshold value, and/or, performance state information is better than threshold value
Destination web server.
DNS further according to the IP address in the second list information for be respectively as follows: " 101.101.101.101 " and
Load information and/or the performance state information of the two web server of " 202.202.202.202 " determine target web service
The IP address of device.
Such as, IP address be the load information of web server of " 101.101.101.101 " and performance state information the most excellent
In threshold value, it is determined that " 101.101.101.101 " is the IP address of destination web server.
In the embodiment of the present invention, DNS first obtains the first list information to management equipment, and the first list information includes multiple
The IP address of web server.After DNS receives the domain name mapping request that LDNS sends, DNS obtains second to management equipment again
List information, the second list information includes load information and/or the performance state information of web server, and DNS is according to the first list
Information and the second list information comprehensively determine the IP address information of destination web server.
Step 506, DNS send the IP address of destination Web server to LDNS.
Referring to shown in Fig. 6, the embodiment embodiments providing domain name resolution server 600 includes:
Acquisition module 610, for obtaining the first list information from the management equipment of content distribution network CDN service business, the
One list information includes the IP address of domain name, target area, web server, and the IP address of described web server has with domain name
Mapping relations, the IP address of web server and target area have mapping relations；Receiver module 620, is used for receiving target area
The domain name mapping request that sends of home domain name resolution server LDNS, domain name mapping request includes the IP of target domain name and LDNS
Address；
Determine module 630, for determining target area according to the IP address of receiver module 610LDNS, and according to obtaining mould
This first list information that block 610 obtains, determines the mesh in the target area that this target domain name that receiver module 620 receives is corresponding
The IP address of mark Web server；
Sending module 640, for sending the IP address of the destination Web server determining that module 630 determines to LDNS.
On the basis of the embodiment that Fig. 6 is corresponding, the embodiment of the present invention additionally provides another of domain name resolution server 700
Individual embodiment includes:
Determine that module 630 also includes that first determines that unit 631 and second determines unit 632.
Acquisition module 610, is additionally operable to periodically obtain the first list information to management equipment, and the first list information also wraps
Include load information and/or the performance state information of web server；
Determine that module 630 also first determines unit 631, true for the first list information obtained according to acquisition module 610
The IP address of the web server set the goal in region；
Second determines unit 632, for according to this first determine web server that unit determines load information and/or
Performance state information determines the IP address of destination web server, and this destination web server is that load information is better than threshold value, and/
Or, performance state information is better than the web server of threshold value.
Optionally, acquisition module 610, it is additionally operable to obtain the second list information of target area, secondary series to management equipment
Table information includes load information and/or the performance state information of the web server in target area；
First determines unit 631, in this first list information for obtaining according to acquisition module 610 determines target area
The IP address of web server；
Second determines unit 632, and in the second list information obtained according to acquisition module 610, web server is negative
Information carrying breath and/or performance state information determine the IP address of destination web server, and destination web server is that load information is better than
Threshold value, and/or, performance state information is better than the web server of threshold value.
On the basis of the embodiment that Fig. 6 is corresponding, the embodiment of the present invention additionally provides another of domain name resolution server 800
Individual embodiment includes: list merges module 650；
Acquisition module 610, is additionally operable to obtain object listing information to multiple management equipment, and multiple management equipment belong to different
CDN service business, this object listing information includes the IP address of domain name, target area, web server, described web server
IP address is respectively provided with mapping relations with domain name and described target area；
List merges module 650, the object listing information that these acquisition modules 610 multiple obtain is merged, is somebody's turn to do
First list information.
Referring to Fig. 9, the embodiment embodiments providing management equipment 900 includes:
Sending module 930, for providing the first list information to domain name resolution server DNS,
First list information includes the IP address of domain name, target area, web server, the IP address of described web server
Being respectively provided with mapping relations with domain name and described target area, the first list information is for receiving target area as DNS
During the domain name mapping request that LDNS sends, domain name mapping request includes the IP address of target domain name and LDNS, and DNS is according to LDNS's
IP address determines target area, and according to the first list information, determines target Web in the target area that this target domain name is corresponding
The IP address of server, so that DNS sends the IP address of destination Web server to LDNS.
Acquisition module 910, obtains the load information of each web server in this region for this periodic subregion
And/or performance state information；
Determine module 920, for the load information obtained according to this acquisition module 910 and/or performance state information, multiple
The IP address of web server obtains the first list information；
Optionally, sending module 930, it is additionally operable to periodically provide to DNS determine this first list that module 920 determines
Information.
On the basis of the embodiment that Fig. 9 is corresponding, refer to shown in Figure 10, embodiments provide management equipment
One embodiment of 1000 includes: receiver module 940 and generation module 950.
Receiver module 940, for receiving the request that DNS sends, this request includes target area information；
Acquisition module 910, the web server being additionally operable in this target area of acquisition request according to receiver module reception
Load information and/or performance state information；
Generation module 950, is additionally operable to the load information of web server and/or the performance shape obtained according to acquisition module 910
State information, the IP list information of web server generate the second list information；
Sending module 930, is additionally operable to send, to this DNS, the second list information that generation module 950 generates.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method are permissible
Realize by another way.Such as, device embodiment described above is only schematically, such as, and described unit
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent；And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- The processing method of 1.CDN business, it is characterised in that including:Domain name resolution server DNS obtains the first list information from the management equipment of content distribution network CDN service business, and described One list information includes the IP address of domain name, target area, web server, the IP address of described web server and domain name It is respectively provided with mapping relations with described target area；Described DNS receives the domain name mapping request that home domain name resolution server LDNS sends, and domain name analysis request includes The IP address of target domain name and LDNS；Described DNS determines target area according to the IP address of described LDNS；Described DNS, according to described first list information, determines the Goal Web Services in the target area that described target domain name is corresponding The IP address of device；Described DNS sends the IP address of described destination Web server to described LDNS.
- The processing method of CDN business the most according to claim 1, it is characterised in that described DNS obtains from multiple management equipment Take the first list information, including:Described DNS periodically obtains the first list information from described management equipment, and described first list information also includes that web takes The load information of business device and/or performance state information；Described DNS, according to described first list information, determines the Goal Web Services in the target area that described target domain name is corresponding The IP address of device, including:Described DNS determines the IP address of web server in target area according to described first list information；Described DNS determines destination web server according to described load information and/or the performance state information of described web server IP address, described destination web server is that described load information is better than threshold value, and/or, performance state information is better than threshold value Web server.
- The processing method of CDN business the most according to claim 1, it is characterised in that described DNS receives home domain name and resolves After the domain name mapping request that server LDNS sends, described method also includes:Described DNS obtains the second list information of target area to described management equipment, and described second list information includes target The load information of the web server in region and/or performance state information；Described DNS, according to described first list information, determines the Goal Web Services in the target area that described target domain name is corresponding The IP address of device, including:Described DNS determines the IP address of web server in target area according to described first list information；Described DNS is according to the described load information of web server described in described second list information and/or performance state information Determining the IP address of destination web server, described destination web server is that described load information is better than threshold value, and/or, performance Status information is better than the web server of threshold value.
- 4. according to the processing method of the CDN business described in any one of claims 1 to 3, it is characterised in that domain name resolves clothes Business device DNS obtains the first list information from the management equipment of content distribution network CDN service business, including:Described DNS obtains object listing information from multiple management equipment, and the plurality of management equipment belongs to different CDN service Business, described object listing information includes the IP address of domain name, target area, web server, the IP address of described web server It is respectively provided with mapping relations with domain name and described target area；The plurality of described object listing information is merged by described DNS, obtains described first list information.
- The processing method of 5.CDN business, it is characterised in that including:The management equipment of content distribution network CDN service business provides the first list information to domain name resolution server DNS, and described One list information includes the IP address of domain name, target area, web server, the IP address of described web server and domain name Being respectively provided with mapping relations with described target area, described first list information is for receiving target area as described DNS During the domain name mapping request that LDNS sends, domain name analysis request includes the IP address of target domain name and LDNS, described DNS root Determine target area according to the IP address of described LDNS, and according to described first list information, determine that described target domain name is corresponding The IP address of the destination Web server in target area, so that described DNS sends the IP of described destination Web server to LDNS Address.
- The processing method of CDN business the most according to claim 5, it is characterised in that the management equipment of described CDN service business The first list information is provided to domain name resolution server DNS, including:The subregion of described management device periodically obtains load information and/or the property of each web server in described region Can status information；Described management equipment obtains the first list information according to the IP address of described load information and multiple web server；Described management device periodically to described DNS provide described first list information.
- The processing method of CDN business the most according to claim 5, it is characterised in that described method also includes:Described management equipment receives the request that described DNS sends, and described request includes target area information；Described management equipment is according to the load information of the web server in target area described in described acquisition request and/or performance Status information；Described management equipment arranges according to the load information of described web server and/or the IP of performance state information, web server Table information generates the second list information；Described management equipment sends described second list information to described DNS.
- 8. domain name resolution server, it is characterised in that including:Acquisition module, for obtaining the first list information, the first list letter from the management equipment of content distribution network CDN service business Breath includes the IP address of domain name, target area, web server, the IP address of described web server and domain name and described mesh Mark region is respectively provided with mapping relations；Receiver module, for receiving the domain name mapping request that home domain name resolution server LDNS sends, domain name resolves please Ask the IP address including target domain name and described LDNS；Determining module, the IP address of the described LDNS for receiving according to described receiver module determines target area；Described determine module, be additionally operable to described first list information obtained according to described acquisition module, determine described reception mould The IP address of the destination Web server in target area corresponding to described target domain name that block receives；Sending module, for sending the described IP address determining described destination Web server that module determines to described LDNS.
- 9. management equipment, it is characterised in that including:Sending module, for providing the first list information, the first list information to include domain name, mesh to domain name resolution server DNS Mark region, the IP address of web server, the IP address of described web server is respectively provided with domain name and described target area Mapping relations, the domain name mapping request that described first list information sends for the LDNS receiving target area as described DNS Time, domain name analysis request includes the IP address of target domain name and LDNS, and described DNS determines according to the IP address of described LDNS Target area, and according to described first list information, determine the Goal Web Services in the target area that described target domain name is corresponding The IP address of device, so that described DNS sends the IP address of described destination Web server to LDNS.
- 10. communication system, it is characterised in that including: domain name resolution server DNS and the pipe of content distribution network CDN service business Reason equipment；Described DNS is for performing the method as performed by DNS in any one of Claims 1-4；Described management equipment is for the method performing to perform as described in management equipment in any one of claim 5 to 7.
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| CN201610834986.1A CN106131229A (en) | 2016-09-20 | 2016-09-20 | The processing method of CDN business, equipment and communication system |
| CN202010316077.5A CN111541796B (en) | 2016-09-20 | 2016-09-20 | CDN access flow scheduling method, device, communication system and storage medium |
| PCT/CN2017/102486 WO2018054307A1 (en) | 2016-09-20 | 2017-09-20 | Processing method of cdn service, device and communication system |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018054307A1 (en) | 2018-03-29 |
| CN111541796B (en) | 2023-04-18 |
| CN111541796A (en) | 2020-08-14 |
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