CN107332744A - A kind of routed path system of selection and system and subscription access server - Google Patents
A kind of routed path system of selection and system and subscription access server Download PDFInfo
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- CN107332744A CN107332744A CN201710532537.6A CN201710532537A CN107332744A CN 107332744 A CN107332744 A CN 107332744A CN 201710532537 A CN201710532537 A CN 201710532537A CN 107332744 A CN107332744 A CN 107332744A
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- route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/38—Flow based routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/287—Remote access server, e.g. BRAS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/302—Route determination based on requested QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of routed path system of selection and system and subscription access server, it the described method comprises the following steps：Gather user request information；The user request information collected in periodic statistical analysis corresponding data collection period, obtains a routing list；It is new user's request selecting routed path according to the routing list.The present invention gathers downlink traffic feature in preset time period, different purpose IP or domain name is set to walk different paths by the downlink traffic feature, the service of different type quality can be so provided according to the request type of different flow feature, the stabilization of key business is particularly ensure that in the case of inadequate resource.
Description
Technical field
The present invention relates to network routing techniques field, more particularly to a kind of routed path system of selection and system and user
Access server.
Background technology
In the last few years, with the development of Internet technology, network is not affecting the daily life of people all the time
Living, people send and receive different types of network packet in network video, chat, object for appreciation game, shopping etc., this
The forwarding of multiple intermediate stations is have passed through during network packets are from source station to point of destination a bit, different intermediate stations have selected not
Same routing forwarding mode.
At present, common method for routing is divided into static routing and dynamic routing.Static routing refers to by user or network pipe
The routing iinformation of reason person's manual configuration, when the topological structure of network or the state of link change, network manager needs
Go to change static routing information related in routing table by hand.Dynamic routing is a concept relative with static routing, is shown the way
The routing table of oneself can be automatically set up according to the specific routing iinformation of the exchange between router by device, and being capable of basis
The change of link and node is in time automatically adjusted, and these changes are included：Router node number (the hop that path is included
Count), network transmission expense (cost), bandwidth (bandwidth), delay (delay), load (load), reliability
And MTU MTU (maximum transmission unit) etc. (reliability).
In addition, it is impossible to different path distributions are carried out according to flowing of access size and route, which results in provided when network
When source is not enough, the congestion of network is easily caused so that some important key businesses disconnect, it is impossible to ensure in Internet resources
The stability of key business in the case of deficiency.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of routed path system of selection and system with
And subscription access server.The technical scheme is as follows：
On the one hand, a kind of routed path system of selection, wherein, it the described method comprises the following steps：Gather user's request letter
Breath；The user request information collected in periodic statistical analysis corresponding data collection period, obtains a Path selection
Table；It is new user's request selecting routed path according to the routing list.
Further, the user request information includes purpose IP address and downlink traffic.
Further, the statistical analysis cycle time length is long less than or equal to the time of the data collection cycle
Degree.
Further, the user request letter collected in the periodic statistical analysis corresponding data collection period
Breath, the step of obtaining a routing list specifically includes：Institute periodically to being collected in the corresponding data collection cycle
The purpose IP address stated in user request information is classified, and counts the same purpose IP address in data acquisition week
Interim downlink traffic summation；According to the classification of the purpose IP address and downlink traffic summation distribution next-hop route；Record
The mapping relations of the purpose IP address and the next-hop of distribution route, and generate the routing list.
Further, the purpose IP address is carried out classification comprising according to the ownership place of the purpose IP address and/or
Operator is classified.
Further, the step of classification and downlink traffic summation the distribution next-hop route according to the purpose IP address
Suddenly specifically include：According to the classification of the purpose IP address, the carrying broadband of the next-hop route belonged in same classification is obtained
Ability；The carrying broadband ability selection next-hop route being route with reference to the downlink traffic summation and the next-hop.
Further, the routed path table is used for the user received before obtaining routed path table next time
The routed path selection of request.
On the other hand, a kind of routed path selection system, wherein, the routed path selection system includes an at least user
Access server and central server, wherein, the subscription access server gathers user request information, and by the user
Solicited message is sent to the central server；The central server receives the user request information, periodically statistics
The user request information collected in analysis corresponding data collection period, obtains a routing list, issues the path
Table is selected to subscription access server every described；The subscription access server receives user's request, and according to the path
It is user request distribution next-hop route to select table.
Further, the user request information includes purpose IP address and downlink traffic.
Further, the statistical analysis cycle time length that the central server is set is less than or equal to the number
According to the time span of collection period.
Further, what is collected in the periodic statistical analysis corresponding data collection period of the central server is described
User request information, the method for obtaining a routing list is specifically included：Periodically in the corresponding data collection cycle
Purpose IP address in the user request information collected is classified, and counts the same purpose IP address described
Downlink traffic summation in data collection cycle；According to the classification of the purpose IP address and downlink traffic summation distribution next-hop
Route；The mapping relations of the purpose IP address and the next-hop route of distribution are recorded, and generate the routing list.
Further, the central server carries out classification to the purpose IP address comprising according to the purpose IP address
Ownership place and/or operator classified.
Further, classification and downlink traffic summation distribution of the central server according to the purpose IP address are next
Route is jumped specifically to include：According to the classification of the purpose IP address, the carrying of the next-hop route belonged in same classification is obtained
Broadband ability, wherein ability and categorical attribute are stored in advance in the central server in the carrying broadband of next-hop route
In；The carrying broadband ability selection next-hop route being route with reference to the downlink traffic summation and the next-hop.
Further, the subscription access server receives user's request, and is used according to the routing list to be described
The method of family request distribution next-hop route is specifically included：The subscription access server parses the purpose IP of user's request
Address, and the routing list is matched according to the purpose IP address, if the match is successful, user request is sent extremely
Obtained next-hop route is matched, sends user request to the acquiescence next-hop road pre-set if it fails to match
By.
Another aspect, a kind of subscription access server, wherein, the subscription access server include path selection module,
Memory module and forwarding module, wherein, the path selection module receives user's request, and asks matching to be deposited according to the user
The routing list in the memory module is stored up, next-hop routing iinformation is obtained, and user request is sent to described
Next-hop is route；The forwarding module receives the source information of returning for routeing and sending from the next-hop, and source information is returned described in forwarding
To request user.
Further, the subscription access server further includes a data acquisition module, for gathering user request information,
And the user request information is sent to central server, wherein, the user request information comprising purpose IP address and under
Row flow.
Further, the subscription access server receives the routing list that central server is periodically issued,
And the recently received routing list is stored in the memory module.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：Downlink traffic is gathered in preset time period
Feature, sets different purpose IP to walk different paths by the downlink traffic feature, so can be according to different flow feature
Request type provides the service of different type quality, and the steady of key business is particularly ensure that in the case of inadequate resource
It is fixed.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is route routing resource flow chart in an embodiment of the present invention；
The detailed substeps flow chart that Fig. 2 is step S2 shown in Fig. 1 in an embodiment of the present invention；
Fig. 3 is the internal structure schematic diagram of route route selection system 10 in an embodiment of the present invention；
Fig. 4 is the internal structure schematic diagram of subscription access server 11 in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and without
It is of the invention in limiting.
A kind of routed path system of selection provided by the present invention will be described in detail below.
Referring to Fig. 1, to route routing resource flow chart in an embodiment of the present invention.
In the present embodiment, the routed path system of selection is applied to routed path and selects system, wherein, the route
Route selection system includes at least one subscription access server and central server, and each subscription access server service is respective
User in region, user can be visited by various user terminals (subscriber terminal equipment such as mobile phone, tablet personal computer, palm PC)
In the various applications such as video, chat, object for appreciation game, shopping required for asking network and being obtained from network, user region
Subscription access server provides the user network insertion service, collects the accessing request information of different user and reports to central clothes
Business device is analyzed and processed.Central server is connected with multiple subscription access servers, and is responsible for each user access
The routed path of server, while collecting the user access request information that different user access server is reported, statistics is different
The user request letter collected in purpose IP downlink traffic data, periodic statistical analysis corresponding data collection period
Breath, obtains a routing list, issues the routing list to subscription access server every described.
In step sl, user request information is gathered.
In the present embodiment, subscription access server is connected with the different user end in region, and gathers its location
The user request information of different user in domain, wherein, the user request information includes purpose IP address and downlink traffic.At this
In embodiment, subscription access server sends each the described user request information collected to the central server.
In step s 2, the user request letter collected in periodic statistical analysis corresponding data collection period
Breath, obtains a routing list.
In the present embodiment, the user collected in the periodic statistical analysis corresponding data collection period
Solicited message, the step S2 for obtaining a routing list specifically includes the sub-steps of S21-S23 tri-, as shown in Figure 2.
Referring to Fig. 2, shown in Fig. 1 in an embodiment of the present invention step S2 detailed substeps flow chart.
In the step s 21, the user request information periodically to being collected in the corresponding data collection cycle
In purpose IP address classified, and count downlink traffic of the same purpose IP address in the data collection cycle
Summation.
In the present embodiment, central server receives the user request information that each subscription access server is sent, respectively
Data collection cycle and statistical analysis cycle are set, such as data collection cycle is 7 days, and the statistical analysis cycle is 2 days, then every
Purpose IP address in the user request information collected every 2 days to corresponding data collection period in 7 days is classified, and is counted
Downlink traffic summation of the same purpose IP address in the data collection cycle, it is notable that during statistical analysis
Used user request information can be that it plays the user request information gathered for 7 days forward when the statistical analysis, with
Ensure the real-time of data.
In the present embodiment, statistical analysis cycle time length is less than or equal to the time span of data collection cycle,
On the one hand the setting shorter statistical analysis cycle can ensure the real-time update of statistic analysis result, on the other hand, set longer
Data collection cycle, it is ensured that the data volume that statistical analysis is used, lifts the accuracy of result.
The user request information received is reported central server by subscription access server, and central server is according to setting
The user's request letter received in the data collection cycle put and statistical analysis cycle, statistical analysis corresponding data collection period
Cease, and the purpose IP address in user request information is classified, and counts the downlink traffic summation of identical purpose IP address.
In the present embodiment, classification is carried out to the purpose IP address and includes the ownership place according to the purpose IP address
And/or operator is classified.
In step S22, according to the classification of purpose IP address and downlink traffic summation distribution next-hop route.
In the present embodiment, classification and downlink traffic summation distribution the next-hop road according to the purpose IP address
By step S22 specifically include：
According to the classification of the purpose IP address, the carrying broadband energy of the next-hop route belonged in same classification is obtained
Power；The carrying broadband ability selection next-hop route being route with reference to the downlink traffic summation and the next-hop.
In the present embodiment, central server carries out the attributive classifications such as region, operator to different purpose IP, and each
To that should have multiple routed paths in specification area and/or operator, i.e., multiple next-hop routes, due to each routed path point
There is not respective carrying bandwidth ability, it is otherwise varied each other, according to each purpose IP's in the obtained classification of statistics
Downlink traffic, the next-hop route that selection carrying bandwidth ability is more than downlink traffic is the corresponding next-hop road of the purpose IP address
By.
For example, using region and operator as basis of classification, central server by belong to Sichuan telecommunications IP address IP1,
IP2 is divided into same class, and IP1 downlink traffic summation is 50M in the statistics gatherer cycle respectively, and IP2 downlink traffic summation is
100M, and the routed path for reaching content server (i.e. the corresponding Resource Servers of purpose IP) from subscription access server is included
It is a plurality of, the routed path for being attributed to Sichuan telecommunications is chosen, and the carrying bandwidth ability in each path is obtained, it is IP1 selection carrying belts
Wide ability is not less than 50M routed path, is that IP2 selection carrying bandwidth abilities are not less than 100M routed path, and remember respectively
The next-hop that those routed paths are IP1 and IP2 is recorded to route.
In step S23, the mapping relations of the purpose IP address and the next-hop route of distribution are recorded, and are generated
The routing list.
In the present embodiment, central server is according to reflecting that the purpose IP address and the next-hop of distribution that are recorded are route
Relation generation routing list is penetrated, and the routing list is handed down to each user's access service for communicating connection
Device.
In the present embodiment, central server can generate corresponding routing list in each statistical analysis cycle,
And each subscription access server is handed down to, each subscription access server directly replaces old after receiving new routing list
List, and use, that is to say, that the routing list newly received is received before being used to obtain routing list next time
The user request routed path selection.
S3, is new user's request selecting routed path according to the routing list.
Subscription access server is that the user asks to distribute according to the routing list after user's request is received
Next-hop is route.It is worth noting that, when subscription access server can not find purpose IP address record in routing list
When, then carry out selection next-hop route according to the routing rule of default setting.Subscription access server will receive itself
Whole user request informations report central server.
A kind of routed path system of selection that the present invention is provided, the downlink traffic of periodically interior each purpose IP address of collection
Feature, sets different purpose IP to walk different paths by the downlink traffic feature, so can be according to each purpose IP reality
Traffic requests provide the service of different type quality, and the steady of key business is particularly ensure that in the case of inadequate resource
It is fixed.And by periodic statistical analysis, routing list is updated, it is ensured that the real-time of data, improves path
The Exact Travelling of selection.
A kind of routed path selection system provided by the present invention will be described in detail below.
Referring to Fig. 3, showing the internal structure schematic diagram that route selection system is route in an embodiment of the present invention.
In the present embodiment, (such as the first user terminal, second user end, the 3rd user terminal, the 4th use multiple user terminals
Family end etc.) select system 10 to realize network access by routed path.
In the present embodiment, routed path selection system 10 include at least one subscription access server (diagram with
111st, exemplified by 112,113) and central server 12, each subscription access server (such as 111,112,113 etc.) service is respectively
From the user in region.
User passes through respective user terminal (subscriber terminal equipment such as mobile phone, tablet personal computer, palm PC) at hand
In the various applications such as video, chat, object for appreciation game, shopping required for accessing network and being obtained from network, user region
Subscription access server (such as 111,112,113) provide the user network insertion service, collect different users' request letters
Cease and report to central server 12 and analyzed and processed.
Central server 12 is respectively connected with each subscription access server (111,112,113), and is responsible for each use
The routed path of family access server (111,112,113), while collecting in each subscription access server (111,112,113) institute
The user request information of report, counts different purpose IP downlink traffic data, periodic statistical analysis corresponding data collection week
The interim user request information collected, obtains a routing list, issues the routing list and is used to every described
Family access server.
In the present embodiment, subscription access server is connected with the different user end in region, and gathers its location
The user request information of different user in domain, wherein, user request information includes purpose IP address and downlink traffic.In this implementation
In mode, subscription access server sends each the described user request information collected to central server 12.
In the present embodiment, gathered in the periodic statistical analysis corresponding data collection period of the central server 12
The user request information arrived, the method for obtaining a routing list is specifically included：
Periodically to the purpose IP in the user request information that is collected in the corresponding data collection cycle
Location is classified, and counts downlink traffic summation of the same purpose IP address in the data collection cycle；According to institute
State classification and the downlink traffic summation distribution next-hop route of purpose IP address；Record the purpose IP address and distribution it is described
The mapping relations of next-hop route, and generate the routing list.
In the present embodiment, central server 12 receives the use of each subscription access server (111,112,113) transmission
Family solicited message, sets data collection cycle and statistical analysis cycle respectively, and such as data collection cycle is 7 days, statistical analysis
Cycle is 2 days, then purpose IP in the user request information collected every 2 days to corresponding data collection period in 7 days
Location is classified, and counts downlink traffic summation of the same purpose IP address in the data collection cycle, is worth note
Meaning, used user request information can be that it rises and gathered within 7 days forward when coming from statistical analysis during statistical analysis
User request information, to ensure the real-time of data.
In the present embodiment, statistical analysis cycle time length is less than or equal to the time span of data collection cycle,
On the one hand the setting shorter statistical analysis cycle can ensure the real-time update of statistic analysis result, on the other hand, set longer
Data collection cycle, it is ensured that the data volume that statistical analysis is used, lifts the accuracy of result.
In the present embodiment, 12 pairs of the central server purpose IP address carries out classification comprising according to the purpose IP
The ownership place of address and/or operator are classified.And the classification and the distribution of downlink traffic summation according to purpose IP address are next
Jump route.
Specifically, central server 12 obtains the next-hop belonged in same classification according to the classification of purpose IP address
The carrying broadband ability of route；The carrying broadband ability selection being route with reference to the downlink traffic summation and the next-hop is next
Jump route.Wherein ability and categorical attribute are advance in the carrying broadband of the selectable next-hop route of those subscription access servers
It is stored in central server 12.
In the present embodiment, the different purpose IP of 12 pairs of central server carry out the attributive classifications such as region, operator, and every
To that should have multiple routed paths in individual specification area and/or operator, i.e., multiple next-hop routes, due to each routed path
There is respective carrying bandwidth ability respectively, otherwise varied each other, each purpose IP in the classification obtained according to statistics
Downlink traffic, selection carrying bandwidth ability be more than downlink traffic next-hop route be the corresponding next-hop of the purpose IP address
Route.
For example, using region and operator as basis of classification, central server 12 will belong to the IP address of Sichuan telecommunications
IP1, IP2 are divided into same class, and IP1 downlink traffic summation is 50M in the statistics gatherer cycle respectively, and IP2 downlink traffic is total
With for 100M, and the routed path of content server (i.e. the corresponding Resource Servers of purpose IP) is reached from subscription access server
Comprising a plurality of, the routed path for being attributed to Sichuan telecommunications is chosen, and obtains the carrying bandwidth ability in each path, is that IP1 selections are held
The routed path that bandwidth ability is not less than 50M is carried, is the routed path that IP2 selection carrying bandwidth abilities are not less than 100M, and point
The next-hop that those routed paths are IP1 and IP2 is not recorded to route.And record each purpose IP address and distribution it is described next
Jump the mapping relations of route, and generate routing list, be issued to each connected subscription access server (111,112,
113)。
Subscription access server (111,112,113) receives user's request, and is user's request point according to routing list
The method being route with next-hop is specifically included：
Subscription access server (111,112,113) parses the purpose IP address of user's request, and according to the mesh
IP address coupling path selection table, if the match is successful, the user asked to send to the obtained next-hop of matching route,
The user is asked to send to the acquiescence next-hop pre-set if it fails to match and route.Subscription access server (111,
112nd, the user request information received 113) is uploaded to central server 12.
What routed path selection system provided by the present invention was uploaded by central server to each subscription access server
User request information carries out statistical analysis, and corresponding routed path is distributed according to the downlink traffic of each purpose IP address, it is ensured that
The reasonable distribution of resource, and pass through periodically more newly-generated routing list, it is ensured that the real-time of data.
Referring to Fig. 4, showing the internal structure schematic diagram of subscription access server in an embodiment of the present invention.
In the present embodiment, subscription access server 11 specifically include path selection module 1101, memory module 1102,
Forwarding module 1103 and data acquisition module 1104.
Path selection module 1101 receives user's request, parses the purpose IP address in user's request, and according to purpose
Routing list in IP address matching memory module 1102, if the match is successful, the next-hop obtained according to matching, which is route, to be believed
Breath, is forwarded to user's request.If it fails to match, forwarded according to the default route rule pre-set.
Forwarding module 1103 receives the source information of returning for routeing and sending from next-hop, and is forwarded back to source information to asking user.
Data acquisition module 1104, for gathering user request information, and by the user request information received via turning
Hair module 1103 is sent to central server, wherein, user request information includes purpose IP address and downlink traffic.In the present invention
Some other embodiments in, data acquisition module 1104 directly can also send user request information to central server, and
Without forwarding module 1103.
In the present embodiment, subscription access server 11 receives the routing list that central server is periodically issued,
And recently received routing list is stored in memory module 1102.
Subscription access server provided by the present invention can select the form of table quickly to be asked for user by accessed path
Next-hop route is selected, treatment effeciency is not only improved, and ensure that the quality for the routed path that distribution is asked for user.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, the part shown as unit can be or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Understood based on such, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Order is to cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform each implementation
Method described in some parts of example or embodiment.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (17)
1. a kind of routed path system of selection, it is characterised in that the described method comprises the following steps：
Gather user request information；
The user request information collected in periodic statistical analysis corresponding data collection period, obtains a Path selection
Table；
It is new user's request selecting routed path according to the routing list.
2. routed path system of selection as claimed in claim 1, it is characterised in that the user request information includes purpose IP
Address and downlink traffic.
3. routed path system of selection as claimed in claim 1, it is characterised in that the statistical analysis cycle time length is small
In or equal to the data collection cycle time span.
4. routed path system of selection as claimed in claim 2, it is characterised in that the periodic statistical analysis respective counts
According to the user request information collected in collection period, the step of obtaining a routing list specifically includes：
Periodically the purpose IP address in the user request information that is collected in the corresponding data collection cycle is entered
Row classification, and count downlink traffic summation of the same purpose IP address in the data collection cycle；
According to the classification of the purpose IP address and downlink traffic summation distribution next-hop route；
The mapping relations of the purpose IP address and the next-hop route of distribution are recorded, and generate the routing list.
5. routed path system of selection as claimed in claim 4, it is characterised in that classification bag is carried out to the purpose IP address
Classified containing the ownership place according to the purpose IP address and/or operator.
6. routed path system of selection as claimed in claim 4, it is characterised in that point according to the purpose IP address
The step of class and downlink traffic summation distribution next-hop are route specifically includes：
According to the classification of the purpose IP address, the carrying broadband ability of the next-hop route belonged in same classification is obtained；
The carrying broadband ability selection next-hop route being route with reference to the downlink traffic summation and the next-hop.
7. routed path system of selection as claimed in claim 1, it is characterised in that the routed path table is used to obtain next time
The routed path selection of received user request before to routed path table.
8. a kind of routed path selects system, it is characterised in that the routed path selection system is accessed including an at least user
Server and central server, wherein,
The subscription access server, gathers user request information, and the user request information is sent to the center clothes
Business device；
The central server is received in the user request information, periodic statistical analysis corresponding data collection period and gathered
The user request information arrived, obtains a routing list, issues the routing list to user's access clothes every described
Business device；
The subscription access server receives user's request, and is that user request distribution is next according to the routing list
Jump route.
9. routed path as claimed in claim 8 selects system, it is characterised in that the user request information includes purpose IP
Address and downlink traffic.
10. routed path as claimed in claim 8 selects system, it is characterised in that it is described that the central server is set
Statistical analysis cycle time length is less than or equal to the time span of the data collection cycle.
11. routed path as claimed in claim 9 selects system, it is characterised in that the central server is periodically united
Score phase separation answers the user request information collected in data collection cycle, and the method for obtaining a routing list is specifically wrapped
Contain：
Periodically the purpose IP address in the user request information that is collected in the corresponding data collection cycle is entered
Row classification, and count downlink traffic summation of the same purpose IP address in the data collection cycle；
According to the classification of the purpose IP address and downlink traffic summation distribution next-hop route；
The mapping relations of the purpose IP address and the next-hop route of distribution are recorded, and generate the routing list.
12. routed path as claimed in claim 11 selects system, it is characterised in that the central server is to the purpose
IP address classify including is classified according to the ownership place and/or operator of the purpose IP address.
13. routed path as claimed in claim 11 selects system, it is characterised in that the central server is according to the mesh
IP address classification and downlink traffic summation distribution next-hop route specifically include：
According to the classification of the purpose IP address, the carrying broadband ability of the next-hop route belonged in same classification is obtained, its
Described in next-hop route carrying broadband in ability and categorical attribute be stored in advance in the central server；
The carrying broadband ability selection next-hop route being route with reference to the downlink traffic summation and the next-hop.
14. routed path as claimed in claim 9 selects system, it is characterised in that the subscription access server, which is received, to be used
Family is asked, and is that the method that the user asks distribution next-hop to route specifically is included according to the routing list：
The subscription access server parses the purpose IP address of user's request, and matches institute according to the purpose IP address
Routing list is stated, if the match is successful, the user is asked to send the next-hop route obtained to matching, if it fails to match
Then the user is asked to send to the acquiescence next-hop pre-set and route.
15. a kind of subscription access server, it is characterised in that the subscription access server includes path selection module, storage
Module and forwarding module, wherein, the path selection module receives user's request, and asks matching to be stored according to the user
Routing list in the memory module, obtains next-hop routing iinformation, and user request is sent to described next
Jump route；The forwarding module receives and returns source information from what next-hop route was sent, and forwards the source information of returning extremely please
Ask user.
16. subscription access server as claimed in claim 15, it is characterised in that the subscription access server further includes one
Data acquisition module, sends to central server for gathering user request information, and by the user request information, wherein,
The user request information includes purpose IP address and downlink traffic.
17. subscription access server as claimed in claim 15, it is characterised in that the subscription access server receives center
The routing list that server is periodically issued, and the recently received routing list is stored in the storage
In module.
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