CN106899621A - One kind scheduling system and method - Google Patents
One kind scheduling system and method Download PDFInfo
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- CN106899621A CN106899621A CN201510955294.8A CN201510955294A CN106899621A CN 106899621 A CN106899621 A CN 106899621A CN 201510955294 A CN201510955294 A CN 201510955294A CN 106899621 A CN106899621 A CN 106899621A
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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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
- H04L63/1466—Active attacks involving interception, injection, modification, spoofing of data unit addresses, e.g. hijacking, packet injection or TCP sequence number attacks
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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
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the present invention provides a kind of scheduling system and method, can realize more accurate scheduling, improves access speed, improves Consumer's Experience.The system includes LDNS, the first interactive server, the second interactive server, GSLB equipment and at least one CDN node server；LDNS forwards inquiry of the domain name request message to redirect mode after being used to determining the domain name of targeted website in the pre-configured list list to the first interactive server；First interactive server is used to obtain the domain name of targeted website and the IP address of user terminal, and the IP address of user terminal is appended into inquiry of the domain name request message；Second interactive server obtains the second message for obtaining the IP address of user terminal, and deleting the IP address of user terminal, is that source address sends the second message to GSLB equipment with the IP address of user terminal；GSLB equipment is used to obtain the IP address of user terminal, and then it is user service to dispatch at least one CDN node server.The present invention is applied to communication technical field.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of scheduling system and method.
Background technology
Content distributing network (English：Content Delivery Network, referred to as：CDN) it is
A kind of intelligent virtual network on existing internet is implemented in, as shown in figure 1, its general principle
It is the widely distributed CDN node server in user accesses the region of Relatively centralized, when user accesses
During website, the access request of user is dispatched to the service of can providing the user using global load technology
Nearest CDN node server on, with reach lifting user access website response speed and experience
Effect.
At present, using the scheduling mode of overall situation DNS in existing CDN, i.e., from user terminal to this
Region name system (English：Local Domain System, referred to as：LDNS) initiate to target
The domain name mapping request of network address, and then mandate DNS treatment is transmitted to by LDNS, authorize DNS
Receive the backward LDNS feedbacks GSLB (English of request：Global Server Load
Balance, referred to as：GSLB) Internet protocol (the English of equipment：Internet Protocol, letter
Claim：IP) address, so that LDNS initiates content requests to GSLB equipment, and then by GSLB
Equipment combines scheduling strategy according to the position of user, and it is user to dispatch corresponding CDN node server
Service is provided.In existing this scheduling mode, GSLB can only be by the IP address of LDNS
To judge the position of user.However, the IP of the IP address of LDNS and user terminal in some cases
Address not in same network, position that now IP address according to LDNS is obtained and non-user
Real position, and then, the CDN node service that GSLB is dispatched according to the wrong customer location
Device is probably and the CDN not nearest from user across the CDN node server after some backbone networks
Node server.
That is, existing scheduling mode can cause the local CDN node server to have an access resource, but use
Family but needs to carry out access to content across backbone network, therefore does not play lifting user's access website not only
The effect of response speed, also add backbone traffic so that backbone network flash pressure becomes big.
The content of the invention
Therefore, the embodiment of the present invention provides a kind of scheduling system and method, " local CDN can be avoided
Node server has access resource, but user needs to carry out access to content across backbone network " phenomenon goes out
It is existing, realize more accurate scheduling, it is ensured that the access request of user is dispatched to nearest CDN sections
On point server, the real effect for realizing lifting access speed and Consumer's Experience.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
A kind of first aspect, there is provided scheduling system, including：LDNS, the first interactive server,
Two interactive servers, GSLB equipment and at least one CDN node server, the GSLB
The IP address of equipment is only visible to second interactive server；
Wherein, the LDNS is used for, and receives user and is asked by the inquiry of the domain name that user terminal sends
Message, the target network of the service content asked comprising the user in domain name inquiry request message
The domain name stood, and it is determined that the domain name of the targeted website in pre-configured list list after, to redirect
Mode forwards domain name inquiry request message to first interactive server；
First interactive server, for receiving domain name inquiry request message, and according to described
Inquiry of the domain name request message obtains the domain name of the targeted website and the IP address of the user terminal,
The IP address of the user terminal is appended in domain name inquiry request message and obtains the first message,
First message is sent to second interactive server；
Second interactive server, for receiving first message, obtains according to first message
The IP address of the user terminal is taken, and deletes the IP of the user terminal in first message
Address obtains the second message, is set to the GSLB by source address of the IP address of the user terminal
Preparation send second message；
The GSLB equipment, for receiving second message, according to the second Receive message institute
The IP address of user terminal is stated, and according to the IP address of user terminal scheduling described at least one
CDN node server provides service content for the user.
A kind of second aspect, there is provided dispatching method, is applied to system as described in relation to the first aspect, described
Method includes：
LDNS receives the inquiry of the domain name request message that user is sent by user terminal, and domain name is looked into
The domain name of the targeted website of the service content asked comprising the user in request message is ask, and true
After the domain name of the fixed targeted website is in the pre-configured list list, taken to the first interaction with redirecting mode
Business device forwarding domain name inquiry request message；
First interactive server receives domain name inquiry request message, and is looked into according to domain name
Ask request message and obtain the domain name of the targeted website and the IP address of the user terminal, by institute
State user terminal IP address be appended to domain name inquiry request message in obtain the first message, to
Second interactive server sends first message；
Second interactive server receives first message, according to first Receive message
The IP address of user terminal, and delete the IP address of the user terminal in first message and obtain
It is source address to GSLB GSLB with the IP address of the user terminal to the second message
Equipment sends second message；
The GSLB equipment receives second message, the user according to second Receive message
The IP address of terminal, and at least one CDN node is dispatched according to the IP address of the user terminal
Server provides service content for the user.
Based on scheduling system and method provided in an embodiment of the present invention, by introducing the first interactive server
With the second interactive server, and then cooperateed with by the first interactive server and the second interactive server and made
With to GSLB equipment transmission subscription request message and the IP address of user terminal, so that GSLB
Equipment is dispatched CDN node server according to the IP address of user terminal and is provided the user in service
Hold.It can be seen that, different from prior art by way of LDNS judges customer location, the present invention is implemented
The scheduling system and method that example is provided judges customer location by the IP address of user terminal, therefore
No matter whether the IP address of the IP address of LDNS and user terminal is in same network, all without
Influence GSLB to the accuracy of the judgement of customer location, so being not in " local CDN node
Server has access resource, but user needs to carry out access to content across backbone network " phenomenon, can
Realize more accurate scheduling, it is ensured that the access request of user is dispatched to nearest CDN node clothes
On business device, the real effect for realizing lifting access speed and Consumer's Experience.
Additionally, being based on scheduling system and method provided in an embodiment of the present invention, the IP of GSLB equipment
Address is only visible to the second interactive server, invisible to LDNS and the first interactive server, and
The IP address of GSLB equipment is visible to LDNS in existing CDN scheduling system, therefore, phase
Than in prior art, scheduling system and method provided in an embodiment of the present invention is conducive to hiding GSLB to set
It is standby, the attack caused by the IP address of GSLB equipment is revealed can be avoided, improve GSLB
Equipment and the security of communication.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, in being described to embodiment below
The required accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative labor
On the premise of dynamic, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is CDN principle schematics；
Fig. 2 is a kind of configuration diagram of scheduling system that the embodiment of the present invention one is provided；
Fig. 3 (a) is the message format schematic diagram of inquiry of the domain name request message in the embodiment of the present invention one；
Fig. 3 (b) is the message format schematic diagram of the first message in the embodiment of the present invention one；
Fig. 4 (a) is the message format schematic diagram of response message in the embodiment of the present invention one；
Fig. 4 (b) is the message format schematic diagram of the 3rd message in the embodiment of the present invention one；
Fig. 5 is a kind of schematic flow sheet one of dispatching method that the embodiment of the present invention two is provided；
Fig. 6 is a kind of schematic flow sheet two of dispatching method that the embodiment of the present invention two is provided；
Fig. 7 is a kind of schematic flow sheet three of dispatching method that the embodiment of the present invention two is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row is clearly and completely described.
It should be noted that the technical scheme for the ease of clearly describing the embodiment of the present invention, in this hair
In bright following each embodiments, the printed words such as " first ", " second " are employed basic to function and effect
Identical identical entry or similar item make a distinction, it will be appreciated by those skilled in the art that " first ", " the
Two " etc. printed words are not defined to quantity and execution order.
In addition, it should be noted that, in the case where not conflicting, embodiment and implementation in the application
Feature in example can be combined with each other.It will appreciated by the skilled person that the embodiment of the present application
In the example that shows be that the present invention understands the schematical explanation made for ease of reader, it is right not constitute
Restriction of the invention.
Embodiment one,
The embodiment of the present invention provides a kind of scheduling system 20, as shown in Fig. 2 including：LDNS201、
First interactive server 202, the second interactive server 203, GSLB equipment 204 and at least one
Individual CDN node server 205, the IP address of GSLB equipment 204 is only to the second interactive service
Device 203 is visible.
Wherein, LDNS201 is used for, and receiving user please by the inquiry of the domain name that user terminal 30 sends
Message is sought, the domain of the targeted website of the service content asked comprising user in inquiry of the domain name request message
Name, and it is determined that the domain name of targeted website in pre-configured list list after, to redirect mode to first
Interactive server 202 forwards inquiry of the domain name request message.
First interactive server 202, for receiving inquiry of the domain name request message, and according to inquiry of the domain name
Request message obtains the domain name of targeted website and the IP address of user terminal 30, by user terminal
30 IP address obtains the first message in being appended to inquiry of the domain name request message, to the second interactive service
Device 203 sends the first message.
Second interactive server 203, for receiving the first message, according to first Receive message user's end
The IP address of the user terminal 30 in the IP address at end 30, and the first message of deletion obtains the second report
Text, the second message is sent by source address of the IP address of user terminal 30 to GSLB equipment 204.
GSLB equipment 204, for receiving the second message, according to the second Receive message user terminal 30
IP address, and according to the IP address of user terminal 30 dispatch at least one CDN node server
205 provide the user service content.
, wherein it is desired to explanation, the pre-configured list list is including endorsed CDN business
Internet Information Service (English：Internet Content Provider, referred to as：ICP net)
The domain name stood.The list list can be handed down to LDNS201 by the business management system of operator, with
Judge service content affiliated web site that user asked whether in CDN service scope for LDNS201
It is interior, specifically, if the domain name of website is in pre-configured list list, then it represents that website is in CDN
In service range；Otherwise, it means that website is not in the range of CDN service.It is readily appreciated that, if mesh
The domain name of website is marked not in pre-configured list list, then it represents that do not support that CDN adds in the targeted website
Speed is serviced, and now LDNS201 will perform conventional domain name mapping to obtain the server of targeted website
IP address, i.e. LDNS201 send domain name inquiry request to domain name system root server.It is specific how
It is embodied as it is known to those skilled in the art that the embodiment of the present invention is not repeated this.
In addition, it will appreciated by the skilled person that at least one CDN node service
In device 205 certain or certain it is several be cached with the service content that user is asked, the service content comes from
The targeted website belonging to service content that user is asked.
Exemplary, the message format of inquiry of the domain name request message and the first message is given respectively such as Fig. 3
Shown in (a), Fig. 3 (b).
Referring to Fig. 3 (a), inquiry of the domain name request message includes that the stem and length of 12 bytes can
The inquiry problem field of change, wherein, stem again include mark, mark, problem number, resource record number,
Authorization resources record number and extra resource record 6 fields of number, and each field occupies 2 bytes.
Wherein, identification field is set and by server returning result by CLIENT PROGRAM, right for identification message
In associated request message and response message, this field is identical；Attribute field is used to represent
Action command and corresponding code that needs are carried out；Problem number, inquiry record number, authorization resources record number
And extra resource records several, it is respectively used to represent entry number, the inquiry request that query resource is included
The entry number that the entry number and extra resource that entry number that response bag contains, authorization resources are included are included.
Inquiry problem field is used to represent inquired about content and type.
Referring to Fig. 3 (b), in the inquiry problem word of the inquiry of the domain name request message shown in Fig. 3 (a)
User terminal 30IP address fields, the as message format of the first message, user terminal are added after section
30IP address fields are used to represent the IP address of user terminal 30.
Further, user terminal 30IP is deleted on the basis of the first message shown in Fig. 3 (b)
Address field is to obtain the second message, it is readily appreciated that, the report of the second message and inquiry of the domain name request message
Literary form is identical.
Certainly, above example is only a kind of specific implementation that the embodiment of the present invention is given, this area
Technical staff is readily appreciated that, also can be using the message of extended formatting, as long as including user's end in messages
The IP address at end 30, the present invention is not especially limited to this.
As can be seen that scheduling system 20 provided in an embodiment of the present invention dispatches system with existing CDN
20 difference is：Existing CDN scheduling system 20 includes authorizing DNS, it is necessary to pass through to award
Power DNS informs the IP address of LDNS201 GSLB equipment 204, so as to LDNS201 according to
The IP address of GSLB equipment 204 initiates content requests to GSLB equipment 204, and then by GSLB
Equipment 204 determines customer location, dispatches corresponding CDN node according to the IP address of LDNS201
Server 205 provides the user service content；Scheduling system 20 provided in an embodiment of the present invention is no longer
Including authorizing DNS, and the first interactive server 202 and the second interactive server 203 are the introduction of,
Acted synergistically by the first interactive server 202 and the second interactive server 203, set to GSLB
The IP address of standby 204 transmission subscription request message and user terminal 30, and then set GSLB
Standby 204 dispatch CDN node server 205 according to the IP address of user terminal 30 for user carries
For service content.Also, the IP address of GSLB equipment 204 is only to the second interactive server 203
It can be seen that, therefore LDNS201 and the first interactive server 202 cannot know GSLB equipment 204
IP address.
Based on above-mentioned difference, at least there is following two side in scheduling system 20 provided in an embodiment of the present invention
The advantage in face：(1) different from prior art by way of LDNS201 judges customer location,
Scheduling system 20 provided in an embodiment of the present invention judges user by the IP address of user terminal 30
Position, therefore no matter whether the IP address of the IP address of LDNS201 and user terminal 30 is same
In individual network, all without accuracys of the GSLB to the judgement of customer location is influenceed, so being not in
" local CDN node server 205 has access resource, but user is needed in backbone network is carried out
The phenomenon of appearance access ", can realize more accurate scheduling, it is ensured that dispatch the access request of user
Onto nearest CDN node server 205, real lifting access speed and the Consumer's Experience realized
Effect.(2) IP address of GSLB equipment 204 is only visible to the second interactive server 203, right
LDNS201 and the first interactive server 202 are invisible, and existing CDN scheduling systems 20
The IP address of middle GSLB equipment 204 is visible to LDNS201, therefore, compared to existing CDN
Scheduling system 20, scheduling system 20 provided in an embodiment of the present invention is conducive to hiding GSLB equipment
204, the attack caused by the IP address of GSLB equipment 204 is revealed can be avoided, improve
GSLB equipment 204 and the security of communication.
Specifically, in scheduling system 20 provided in an embodiment of the present invention, the first interactive server 202
Domain name for obtaining targeted website according to inquiry of the domain name request message, can include：
First interactive server 202, for being parsed to inquiry of the domain name request message, obtains domain name
The domain name of the targeted website in inquiry request message.
Asked to the forwarding inquiry of the domain name of the first interactive server 202 with redirecting mode due to LDNS201
Message, therefore the source address of inquiry of the domain name request message do not change, and is still the IP ground of user terminal 30
Location, so the first interactive server 202 can determine that user's end by obtaining the source address in heading
The IP address at end 30,
That is, the first interactive server 202 is used to obtain user terminal according to inquiry of the domain name request message
30 IP address, can specifically include：
First interactive server 202, the source address for determining inquiry of the domain name request message, by domain name
The source address of inquiry request message is defined as the IP address of user terminal 30.
Preferably, in scheduling system 20 provided in an embodiment of the present invention, GSLB equipment 204 is used for
IP address according to user terminal 30 dispatches at least one CDN node server 205 for user carries
For service content, can specifically include：
GSLB equipment 204 is used for：
IP address according to user terminal 30 and the scheduling strategy for prestoring, from least one CDN
Determination provides the user the IP of the CDN node server 205 of service content in node server 205
Address；
The response message of the second message is generated, CDN node server 205 is included in response message
IP address, response message is sent to the second interactive server 203.
Exemplary, be given shown in message format such as Fig. 4 (a) of response message, referring to Fig. 4 (a),
Response message except including stem and inquiry problem field in addition to, also including answer field and authorize field,
Relevant information for representing the resource record returned according to inquiry problem, be in embodiments of the present invention
It is the IP address information of the CDN node server 205 of return.
Further, the second interactive server 203 can be also used for：
Response message is received, and the IP address of user terminal 30 is appended in response message is obtained the
Three messages, the 3rd message is sent to the first interactive server 202.
Exemplary, be given shown in message format such as Fig. 4 (b) of the 3rd message, referring to Fig. 4 (b),
User terminal 30IP address fields are added after the mandate field of the response message shown in Fig. 4 (a),
The as message format of the 3rd message, user terminal 30IP address fields are used to represent user terminal 30
IP address.
Further, the first interactive server 202 can be also used for：
The 3rd message is received, according to the IP address of the 3rd Receive message user terminal 30, and the is deleted
The IP address of the user terminal 30 in three messages, obtains the 4th message；
According to the IP address of user terminal 30, the 4th message is sent to user terminal 30, in order to
User terminal 30 according to the IP address of the 4th Receive message CDN node server 205, and according to
The IP address of CDN node server 205 obtains service content.
Wherein, the message format of the 4th message for details, reference can be made to Fig. 4 (a).
That is, the 3rd message conversion that the first interactive server 202 replys the second interactive server 203
It is the standard DNS response messages that user terminal 30 can recognize that, and according to the IP ground of user terminal 30
Location sends the DNS response messages of this reference format to user terminal 30, so that user terminal 30 is obtained
The IP address of CDN node server 205 is taken, and then according to the IP of CDN node server 205
Address acquisition service content.
Scheduling system provided in an embodiment of the present invention introduces the first interactive server and the second interaction clothes
Business device, and acted synergistically by the first interactive server and the second interactive server, to GSLB equipment
The IP address of transmission subscription request message and user terminal, and then make GSLB equipment according to user
The IP address of terminal provides the user service content dispatching CDN node server.It can be seen that, it is different
In prior art by way of LDNS judges customer location, scheduling system provided in an embodiment of the present invention
System judges customer location by the IP address of user terminal, thus no matter the IP address of LDNS with
The IP address of user terminal whether in same network, all without influence GSLB to customer location
Judgement accuracy, so be not in " local CDN node server has access resource, but
User but needs to carry out access to content across backbone network " phenomenon, more accurate scheduling can be realized,
Ensure to be dispatched to the access request of user on nearest CDN node server, it is real to realize lifting
The effect of access speed and Consumer's Experience.
Additionally, in scheduling system provided in an embodiment of the present invention, the IP address of GSLB equipment is only to
Two interactive servers are visible, invisible to LDNS and the first interactive server, and existing CDN
The IP address of GSLB equipment is visible to LDNS in scheduling system, therefore, compared to existing CDN
Scheduling system, scheduling system provided in an embodiment of the present invention is conducive to hiding GSLB equipment, can keep away
Exempt from the attack caused by the IP address of GSLB equipment is revealed, improve GSLB equipment and lead to
The security of letter.
Embodiment two,
The embodiment of the present invention provides a kind of dispatching method, is applied to the scheduling of the offer of the embodiment of the present invention one
System 20, as shown in figure 5, including：
S501, LDNS receive the inquiry of the domain name request message that user is sent by user terminal.
Wherein, the targeted website of the service content asked comprising user in inquiry of the domain name request message
Domain name.
S502, LDNS it is determined that the domain name of targeted website in pre-configured list list after, to redirect
Mode forwards inquiry of the domain name request message to the first interactive server.
S503, the first interactive server receive inquiry of the domain name request message, and are asked according to inquiry of the domain name
The domain name of Receive message targeted website and the Internet protocol IP address of user terminal, by user terminal
IP address be appended to inquiry of the domain name request message in obtain the first message.
S504, the first interactive server send the first message to the second interactive server.
S505, the second interactive server receive the first message, according to the first Receive message user terminal
The IP address of the user terminal in IP address, and the first message of deletion obtains the second message.
S506, the second interactive server with the IP address of user terminal be source address to GSLB equipment
Send the second message.
S507, GSLB equipment receive the second message, according to the IP of the second Receive message user terminal
Address, and at least one CDN node server is dispatched for user carries according to the IP address of user terminal
For service content.
Specifically, in step S503, the first interactive server is obtained according to inquiry of the domain name request message
The domain name of targeted website, can include：
First interactive server is parsed to inquiry of the domain name request message, obtains inquiry of the domain name request report
The domain name of the targeted website in text.
First interactive server obtains the IP address of user terminal, tool according to inquiry of the domain name request message
Body can include：
First interactive server determines the source address of inquiry of the domain name request message, and inquiry of the domain name is asked to report
The source address of text is defined as the IP address of user terminal.
Preferably, as shown in fig. 6, in dispatching method provided in an embodiment of the present invention, GSLB equipment
IP address according to user terminal is dispatched at least one CDN node server and is provided the user in service
Hold (i.e. step S507), can specifically include：
S507a, GSLB equipment according to the IP address of user terminal and the scheduling strategy for prestoring, from
Determination provides the user the CDN node server of service content at least one CDN node server
IP address.
S507b, GSLB equipment generate the response message of the second message, and CDN is included in response message
The IP address of node server.
S507c, GSLB equipment send response message to the second interactive server.
Further, as shown in fig. 7, dispatching method provided in an embodiment of the present invention can also include：
S508, the second interactive server receive response message, and the IP address of user terminal is added
The 3rd message is obtained into response message.
S509, the second interactive server send the 3rd message to the first interactive server.
S510, the first interactive server receive the 3rd message, according to the 3rd Receive message user terminal
The IP address of the user terminal in IP address, and the 3rd message of deletion, obtains the 4th message, Xiang Yong
Family terminal sends the 4th message, is serviced according to the 4th Receive message CDN node in order to user terminal
The IP address of device, and service content is obtained according to the IP address of CDN node server.
In dispatching method provided in an embodiment of the present invention, user is received by LDNS and is sent out by user terminal
The inquiry of the domain name request message for sending, and it is determined that the domain name of targeted website is in pre-configured list list
Afterwards, inquiry of the domain name request message is forwarded to the first interactive server to redirect mode, and then is handed over by first
Mutual server receives inquiry of the domain name request message, and obtains targeted website according to inquiry of the domain name request message
Domain name and user terminal Internet protocol IP address, the IP address of user terminal is appended to domain
The first message is obtained in name inquiry request message, the first message is sent to the second interactive server, by the
Two interactive servers receive the first message, according to the IP address of the first Receive message user terminal, and
The IP address for deleting the user terminal in the first message obtains the second message, with the IP ground of user terminal
Location is that source address sends the second message to GSLB equipment, and the second message, root are received by GSLB equipment
According to the IP address of the second Receive message user terminal, and according to the scheduling of the IP address of user terminal at least
One CDN node server provides the user service content.That is, tune provided in an embodiment of the present invention
Degree method, is acted synergistically, to GSLB equipment by the first interactive server and the second interactive server
The IP address of transmission subscription request message and user terminal, and then make GSLB equipment according to user
The IP address of terminal provides the user service content dispatching CDN node server.It can be seen that, it is different
In prior art by way of LDNS judges customer location, dispatching party provided in an embodiment of the present invention
Method judges customer location by the IP address of user terminal, thus no matter the IP address of LDNS with
The IP address of user terminal whether in same network, all without influence GSLB to customer location
Judgement accuracy, so be not in " local CDN node server has access resource, but
User but needs to carry out access to content across backbone network " phenomenon, more accurate scheduling can be realized,
Ensure to be dispatched to the access request of user on nearest CDN node server, it is real to realize lifting
The effect of access speed and Consumer's Experience.
Additionally, in dispatching method provided in an embodiment of the present invention, the IP address of GSLB equipment is only to
Two interactive servers are visible, invisible to LDNS and the first interactive server, and existing CDN
The IP address of GSLB equipment is visible to LDNS in scheduling system, therefore, compared to prior art,
Dispatching method provided in an embodiment of the present invention is conducive to hiding GSLB equipment, can avoid due to
Attack caused by the IP address leakage of GSLB equipment, improves the peace of GSLB equipment and communication
Quan Xing.
It should be understood that in various embodiments of the present invention, the size simultaneously unawareness of the sequence number of above-mentioned each process
Taste the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and
Any restriction should not be constituted to the implementation process of the embodiment of the present invention.
It is apparent to those skilled in the art that, it is for convenience and simplicity of description, above-mentioned
The device of description, is only carried out for example, in practical application with the division of above-mentioned each functional module, can
To be completed by different functional module as needed and by above-mentioned functions distribution, will device internal junction
Structure is divided into different functional modules, to complete all or part of function described above.It is above-mentioned to retouch
The specific work process of system, device and the unit stated, it is right in preceding method embodiment to may be referred to
Process is answered, be will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, device
And method, can realize by another way.For example, device embodiment described above is only
It is schematical, for example, the division of the module or unit, only a kind of division of logic function,
There can be other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.It is another, it is shown
Or the coupling each other that discusses or direct-coupling or communication connection can be by some interfaces, dress
Put or unit INDIRECT COUPLING or communication connection, can be electrical, mechanical or other forms.
It is described as separating component illustrate unit can be or may not be it is physically separate,
The part shown as unit can be or may not be physical location, you can with positioned at a ground
Side, or can also be distributed on multiple NEs.Can according to the actual needs select therein
Some or all of unit realizes the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit
In, or unit be individually physically present, it is also possible to two or more units are integrated in
In one unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ soft
The form of part functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent product
When selling or using, can store in a computer read/write memory medium.Based on such reason
Solution, part or the skill that technical scheme substantially contributes to prior art in other words
The all or part of art scheme can be embodied in the form of software product, the computer software product
Storage is in a storage medium, including some instructions are used to so that a computer equipment (can be
Personal computer, server, or network equipment etc.) or processor (processor) perform sheet
Invent all or part of step of each embodiment methods described.And foregoing storage medium includes：U
Disk, mobile hard disk, read-only storage (English：Read-Only Memory, referred to as：ROM)、
Random access memory (English：Random Access Memory, referred to as：RAM), magnetic disc or
CD etc. is various can be with the medium of store program codes.
The above, specific embodiment only of the invention, but protection scope of the present invention not office
Be limited to this, any one skilled in the art the invention discloses technical scope in, can
Change or replacement are readily occurred in, should be all included within the scope of the present invention.Therefore, the present invention
Protection domain should be based on the protection scope of the described claims.
Claims (10)
1. a kind of scheduling system, it is characterised in that including：Local domain name system LDNS, first are handed over
Mutual server, the second interactive server, GSLB GSLB equipment and at least one content point
Hairnet network CDN node server, the Internet protocol IP address of the GSLB equipment is only to described
Two interactive servers are visible；
Wherein, the LDNS is used for, and receives user and asks report by the inquiry of the domain name that user terminal sends
Text, the targeted website of the service content asked comprising the user in domain name inquiry request message
Domain name, and it is determined that the domain name of the targeted website in pre-configured list list after, with redirect mode to
First interactive server forwards domain name inquiry request message；
First interactive server, for receiving domain name inquiry request message, and according to the domain
The domain name and the IP address of the user terminal of targeted website described in name inquiry request Receive message, will
The IP address of the user terminal obtains the first message in being appended to domain name inquiry request message, to
Second interactive server sends first message；
Second interactive server, for receiving first message, according to first Receive message
The IP address of the user terminal, and delete the IP address of the user terminal in first message
The second message is obtained, is sent to the GSLB equipment by source address of the IP address of the user terminal
Second message；
The GSLB equipment, for receiving second message, according to second Receive message
The IP address of user terminal, and at least one CDN is dispatched according to the IP address of the user terminal
Node server provides service content for the user.
2. system according to claim 1, it is characterised in that the GSLB equipment is used for root
At least one CDN node server is dispatched for the user carries according to the IP address of the user terminal
For service content, specifically include：
The GSLB equipment is used for：
IP address according to the user terminal and the scheduling strategy for prestoring, from described at least one
It is defined as the IP that the user provides the CDN node server of service content in CDN node server
Address；
The response message of second message is generated, is taken comprising the CDN node in the response message
The IP address of business device, the response message is sent to second interactive server.
3. system according to claim 2, it is characterised in that second interactive server is also
For：
The response message is received, and the IP address of the user terminal is appended to the response message
In obtain the 3rd message, send the 3rd message to first interactive server.
4. system according to claim 3, it is characterised in that first interactive server is also
For：
The 3rd message is received, the IP address of user terminal according to the 3rd Receive message,
And the IP address of the user terminal in the 3rd message is deleted, obtain the 4th message；
According to the IP address of the user terminal, the 4th message is sent to the user terminal, with
It is easy to the IP address of user terminal CDN node server according to the 4th Receive message,
And service content is obtained according to the IP address of the CDN node server.
5. the system according to claim any one of 1-4, it is characterised in that
First interactive server is used for the target network according to domain name inquiry request Receive message
The domain name stood, specifically includes：
First interactive server, for being parsed to domain name inquiry request message, obtains institute
State the domain name of the targeted website in inquiry of the domain name request message；
First interactive server is used for user's end according to domain name inquiry request Receive message
The IP address at end, specifically includes：
First interactive server, the source address for determining domain name inquiry request message, by institute
The source address for stating inquiry of the domain name request message is defined as the IP address of the user terminal.
6. a kind of dispatching method, it is characterised in that be applied to as described in claim any one of 1-5
System, methods described includes：
Local domain name system LDNS receives the inquiry of the domain name request message that user is sent by user terminal,
The domain of the targeted website of the service content asked comprising the user in domain name inquiry request message
Name, and it is determined that the domain name of the targeted website in pre-configured list list after, to redirect mode to the
One interactive server forwards domain name inquiry request message；
First interactive server receives domain name inquiry request message, and is inquired about according to domain name
Request message obtains the domain name of the targeted website and the Internet protocol IP address of the user terminal,
The IP address of the user terminal is appended in domain name inquiry request message and obtains the first message,
First message is sent to the second interactive server；
Second interactive server receives first message, is used according to first Receive message
The IP address of family terminal, and delete the IP address of the user terminal in first message and obtain
Two messages, send out by source address of the IP address of the user terminal to GSLB GSLB equipment
Send second message；
The GSLB equipment receives second message, user's end according to second Receive message
The IP address at end, and at least one content distributing network is dispatched according to the IP address of the user terminal
CDN node server provides service content for the user.
7. method according to claim 6, it is characterised in that the GSLB equipment is according to institute
The IP address for stating user terminal dispatches at least one CDN node server for the user provides clothes
Business content, including：
The GSLB equipment according to the IP address of the user terminal and the scheduling strategy for prestoring, from
It is defined as the CDN sections that the user provides service content at least one CDN node server
The IP address of point server；
The GSLB equipment generates the response message of second message, and institute is included in the response message
The IP address of CDN node server is stated, the response message is sent to second interactive server.
8. method according to claim 7, it is characterised in that methods described also includes：
Second interactive server receives the response message, and by the IP address of the user terminal
It is appended in the response message and obtains the 3rd message, the described 3rd is sent to first interactive server
Message.
9. method according to claim 8, it is characterised in that methods described also includes：
First interactive server receives the 3rd message, is used according to the 3rd Receive message
The IP address of family terminal, and the IP address of the user terminal in the 3rd message is deleted, obtain
4th message；
First interactive server is sent out according to the IP address of the user terminal to the user terminal
The 4th message is sent, the CDN according to the 4th Receive message is saved in order to the user terminal
The IP address of point server, and service content is obtained according to the IP address of the CDN node server.
10. the method according to claim any one of 6-9, it is characterised in that
First interactive server targeted website according to domain name inquiry request Receive message
Domain name, including：
First interactive server is parsed to domain name inquiry request message, obtains domain name
The domain name of the targeted website in inquiry request message；
First interactive server user terminal according to domain name inquiry request Receive message
IP address, including：
First interactive server determines the source address of domain name inquiry request message, by domain name
The source address of inquiry request message is defined as the IP address of the user terminal.
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| CN201510955294.8A CN106899621B (en) | 2015-12-17 | 2015-12-17 | A kind of scheduling system and method |
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| CN201510955294.8A CN106899621B (en) | 2015-12-17 | 2015-12-17 | A kind of scheduling system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040085A (en) * | 2017-11-20 | 2018-05-15 | 广州华多网络科技有限公司 | Method for network access, device and server |
| CN109831548A (en) * | 2019-03-18 | 2019-05-31 | 中国联合网络通信集团有限公司 | Virtual content distribution network vCDN node method for building up and server |
| CN112202854A (en) * | 2020-09-17 | 2021-01-08 | 北京金山云网络技术有限公司 | Joint debugging method, device, equipment and medium |
| CN113973136A (en) * | 2020-07-07 | 2022-01-25 | 中国移动通信集团广东有限公司 | Traffic scheduling method, device and system |
| CN114301990A (en) * | 2021-12-29 | 2022-04-08 | 中国电信股份有限公司 | Node scheduling method, device and storage medium based on content distribution network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020112036A1 (en) * | 2000-11-30 | 2002-08-15 | Bohannon Thomas A. | Method and apparatus for discovering client proximity |
| CN101325499A (en) * | 2007-06-11 | 2008-12-17 | 阿里巴巴集团控股有限公司 | Method, system and equipment for distributing static data |
| CN101431532A (en) * | 2008-12-15 | 2009-05-13 | 中国电信股份有限公司 | Content routing method, load balancing equipment and resource management equipment |
| CN101640684A (en) * | 2009-08-21 | 2010-02-03 | 中国电信股份有限公司 | Content delivering method, network system, GSLB device and domain name server |
-
2015
- 2015-12-17 CN CN201510955294.8A patent/CN106899621B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020112036A1 (en) * | 2000-11-30 | 2002-08-15 | Bohannon Thomas A. | Method and apparatus for discovering client proximity |
| CN101325499A (en) * | 2007-06-11 | 2008-12-17 | 阿里巴巴集团控股有限公司 | Method, system and equipment for distributing static data |
| CN101431532A (en) * | 2008-12-15 | 2009-05-13 | 中国电信股份有限公司 | Content routing method, load balancing equipment and resource management equipment |
| CN101640684A (en) * | 2009-08-21 | 2010-02-03 | 中国电信股份有限公司 | Content delivering method, network system, GSLB device and domain name server |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040085A (en) * | 2017-11-20 | 2018-05-15 | 广州华多网络科技有限公司 | Method for network access, device and server |
| CN109831548A (en) * | 2019-03-18 | 2019-05-31 | 中国联合网络通信集团有限公司 | Virtual content distribution network vCDN node method for building up and server |
| CN109831548B (en) * | 2019-03-18 | 2022-02-18 | 中国联合网络通信集团有限公司 | Virtual content delivery network vCDN node establishment method and server |
| CN113973136A (en) * | 2020-07-07 | 2022-01-25 | 中国移动通信集团广东有限公司 | Traffic scheduling method, device and system |
| CN113973136B (en) * | 2020-07-07 | 2023-04-25 | 中国移动通信集团广东有限公司 | Traffic scheduling method, device and system |
| CN112202854A (en) * | 2020-09-17 | 2021-01-08 | 北京金山云网络技术有限公司 | Joint debugging method, device, equipment and medium |
| CN114301990A (en) * | 2021-12-29 | 2022-04-08 | 中国电信股份有限公司 | Node scheduling method, device and storage medium based on content distribution network |
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|---|---|
| CN106899621B (en) | 2019-06-14 |
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