CN105306366A - Data routing method and device - Google Patents
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- CN105306366A CN105306366A CN201410236379.6A CN201410236379A CN105306366A CN 105306366 A CN105306366 A CN 105306366A CN 201410236379 A CN201410236379 A CN 201410236379A CN 105306366 A CN105306366 A CN 105306366A
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Abstract
The invention provides a data routing method and device, belonging to the field of data transmission, wherein the data routing method is applied in the data routing device arranged at the edge of a metropolitan area network; the data routing method comprises the following steps that: the data routing device receives user data to be transmitted to an external network by user equipment and obtains comprehensive routing attributes of the user data; the judgment conditions of the comprehensive routing attributes comprise user routing attributes of the user equipment and/or service routing attributes of the user data; the data routing device determines a target network outlet of the user data according to the comprehensive routing attributes; and the data routing device routes the user data to the target network outlet through multi-hop connection between a core router of the metropolitan area network, a convergence router of a provincial network, an access router of a backbone network, a core router of the backbone network and an inter-network interconnection router of the backbone network. By means of the technical scheme provided by the invention, network outlets can be dynamically distributed to the user equipment; and thus, service experiences of users are ensured.
Description
Technical field
The present invention relates to field of data transmission, refer to a kind of data routing method and device especially.
Background technology
At present, the data in bearer network forward according to IP (network address) routing mechanism, and IP route refers to that router receives packet from an interface, carries out orientation and be forwarded to the process of another interface according to the destination address of packet.Data are forwarded to destination address by multiple router hops, and router connects two or more logic port identified by IP subnet or peer-peer protocol usually, at least has 1 physical port.The routing table that router is safeguarded according to the network layer address in the packet received and router interior determines output port and next hop address, and rewrites link layer data packet header and realize forwarding data bag.Router reflects current network topology by Dynamic Maintenance routing table, and by carrying out maintaining routing list with other routers exchange routes on network and link information.
Along with the development of mobile communication technology, the coverage of bearer network is more and more wider, usually there is multiple network egress from a mobile communications network to another mobile communications network (network as from the network of China Mobile to China Telecom).Prior art, when subscriber equipment needs sound cross network transmission user data, to be selected user data transmission from the nearest network egress of distance users equipment usually to outer net.As shown in Figure 1.Subscriber equipment 1 is selected to forward its all data from network egress 1, and subscriber equipment 2 is selected to forward its all data from network egress 2, and the foundation of selection is the length of routed path.
Because the network condition of different network egresses is different, communication quality there are differences, and in order to ensure communication quality, sometimes needs to guide specific data into specify network egress.The mode of current employing is policybased routing, namely by doing routing configuration to the source IP address of specifying on the router, and the object IP address guiding it to route to specify.Policybased routing information, by being configured by hand, configuring liking IP address, if there is multiple router hops in tactful path, needing to carry out corresponding configuration to each router.Configured by policybased routing, can by from particular ip address, namely the user data of special user equipment is directed to the network egress of specifying.
But there is following shortcoming in policybased routing scheme: 1, policybased routing configuration needs to adopt manual operation, to carry out network egress configuration to multiple discrete IP address, needs to expend great manpower; 2, the user data of particular ip address subscriber equipment can only be guided to the network egress of specifying by policybased routing configuration, once subscriber equipment adopts dynamic address, then cannot carry out network egress selection to user data; 3, control mode is single, can only realize network egress and select, cannot carry out network egress selection, thus cannot ensure the business experience of user according to the type of service of user data according to the IP address of subscriber equipment.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of data routing method and device, can be dynamically user equipment allocation network egress, ensures the business experience of user.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of data routing method, be applied to the data routing means being arranged on metropolitan area network edge, described data routing method comprises:
Described data routing means receives the subscriber equipment user data to outer net to be transmitted, obtain the comprehensive routing property of described user data, the Rule of judgment of described comprehensive routing property comprises user's routing property of described subscriber equipment and/or the business routing property of described user data;
Described data routing means determines the objective network outlet of described user data according to described comprehensive routing property;
Described data routing means by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
Further, described data routing means receives the subscriber equipment user data to outer net to be transmitted, and the comprehensive routing property obtaining described user data comprises:
Described data routing means obtains user's routing property of described subscriber equipment;
Described data routing means carries out traffic identification to described user data, determines the business routing property of described user data;
Described data routing means determines the comprehensive routing property of described user data according to described user's routing property and described business routing property.
Further, described data routing means carries out traffic identification to described user data, determines that the business routing property of described user data comprises:
The packet information of described data routing means to described user data identifies and mates, and determines the type of service of described user data;
Described data routing means determines the business routing property of described user data according to the type of service preset and the corresponding relation of business routing property.
Further, according to described user's routing property and described business routing property, described data routing means determines that the comprehensive routing property of described user data comprises:
Priority between described data routing means more described user routing property and described business routing property, when the priority of described user's routing property is higher than described business routing property, using the comprehensive routing property of described user's routing property as user data, when the priority of described business routing property is higher than described user's routing property, using the comprehensive routing property of described business routing property as user data; Or
When the priority of described business routing property is no more than preset value, using the comprehensive routing property of described user's routing property as user data; When the priority of business routing property exceedes preset value, using the comprehensive routing property of described business routing property as user data; Or
When the priority of user's routing property is no more than preset value, using the comprehensive routing property of described business routing property as user data; When the priority of user's routing property exceedes preset value, using the comprehensive routing property of described user's routing property as user data.
Further, described data routing means also comprises before receiving the subscriber equipment user data to outer net to be transmitted:
Described data routing means sets up the corresponding relation between comprehensive routing property and network egress;
According to described comprehensive routing property, described data routing means determines that the objective network outlet of described user data comprises:
The objective network of the network egress corresponding with described comprehensive routing property as described user data exports according to described corresponding relation by described data routing means.
Further, described data routing means by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, described user data is routed to the outlet of described objective network and comprises:
Described data routing means judges whether the outlet of described objective network is the network egress nearest apart from described subscriber equipment;
When described objective network outlet is not the network egress nearest apart from described subscriber equipment, described data routing means encapsulates described user data, the network address exported by described objective network is as the object network address of described wrapper, by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
The embodiment of the present invention additionally provides a kind of data routing means, is arranged on metropolitan area network edge, and described data routing means comprises:
Processing module, for receiving the subscriber equipment user data to outer net to be transmitted, obtain the comprehensive routing property of described user data, the Rule of judgment of described comprehensive routing property comprises user's routing property of described subscriber equipment and/or the business routing property of described user data;
Determination module, for determining the objective network outlet of described user data according to described comprehensive routing property;
Routing module, for by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
Further, described processing module comprises:
Attribute obtains submodule, for obtaining user's routing property of described subscriber equipment;
Content recognition submodule, for carrying out traffic identification to described user data, determines the business routing property of described user data;
Process submodule, for determining the comprehensive routing property of described user data according to described user's routing property and described business routing property.
Further, described content recognition submodule comprises:
Recognition unit, for identifying the packet information of described user data and mating, determines the type of service of described user data;
Search unit, for determining the business routing property of described user data according to the corresponding relation of the type of service preset and business routing property.
Further, described process submodule comprises:
First processing unit, for the priority between more described user's routing property and described business routing property, when the priority of described user's routing property is higher than described business routing property, using the comprehensive routing property of described user's routing property as user data, when the priority of described business routing property is higher than described user's routing property, using the comprehensive routing property of described business routing property as user data; Or
Second processing unit, for when the priority of described business routing property is no more than preset value, using the comprehensive routing property of described user's routing property as user data; When the priority of business routing property exceedes preset value, using the comprehensive routing property of described business routing property as user data; Or
3rd processing unit, for when the priority of user's routing property is no more than preset value, using the comprehensive routing property of described business routing property as user data; When the priority of user's routing property exceedes preset value, using the comprehensive routing property of described user's routing property as user data.
Further, described device also comprises:
Memory module, for setting up the corresponding relation between comprehensive routing property and network egress;
The objective network of the network egress corresponding with described comprehensive routing property as described user data exports specifically for the corresponding relation stored according to described memory module by described determination module.
Further, described routing module comprises:
Judge submodule, for judging whether the outlet of described objective network is the network egress nearest apart from described subscriber equipment;
Encapsulation submodule, for when described objective network outlet is not the network egress nearest apart from described subscriber equipment, described user data is encapsulated, the network address exported by described objective network is as the object network address of described wrapper, by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
Embodiments of the invention have following beneficial effect:
In such scheme, data routing means obtains the comprehensive routing property of the subscriber equipment user data to outer net to be transmitted, objective network according to the comprehensive routing property determination user data of user data exports, the Rule of judgment of comprehensive routing property comprises user's routing property of subscriber equipment and/or the business routing property of user data, can realize like this according to user's routing property and business routing property is that user data selects suitable network egress, for the business required high-quality, network stabilization, network egress that bandwidth is high can be selected for it; For the value traffic expending bandwidth in a large number, can select for it network egress that bandwidth usage is high; For high-priority users, network stabilization, network egress that bandwidth is high can be selected for it; And when user uses dynamic IP addressing, can be still that user data selects corresponding network egress according to the grade of subscriber equipment.
Accompanying drawing explanation
Fig. 1 is that prior art to be selected user data transmission from the nearest network egress of distance users equipment to the schematic diagram of outer net;
Fig. 2 is the schematic flow sheet of embodiment of the present invention data routing method;
Fig. 3 is the structured flowchart of embodiment of the present invention data routing means;
Fig. 4 is the schematic flow sheet of embodiment of the present invention data routing method;
Fig. 5 is the structural representation of embodiment of the present invention data routing means place network;
Fig. 6 is user equipment start service access the schematic flow sheet of outer net application server in the specific embodiment of the invention.
Embodiment
For embodiments of the invention will be solved technical problem, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention are selected for realizing network egress according to the IP address of subscriber equipment in prior art, network egress selection cannot be carried out according to the type of service of user data, thus the problem of the business experience of user cannot be ensured, a kind of data routing method and device are provided, can be dynamically user equipment allocation network egress, ensure the business experience of user.
Fig. 2 is the schematic flow sheet of embodiment of the present invention data routing method, and the method is applied to the data routing means being arranged on metropolitan area network edge, and as shown in Figure 2, the present embodiment comprises:
Step 101: described data routing means receives the subscriber equipment user data to outer net to be transmitted, obtain the comprehensive routing property of described user data, the Rule of judgment of described comprehensive routing property comprises user's routing property of described subscriber equipment and/or the business routing property of described user data;
Step 102: described data routing means determines the objective network outlet of described user data according to described comprehensive routing property;
Step 103: described data routing means by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
Data routing method of the present invention, obtain the comprehensive routing property of the subscriber equipment user data to outer net to be transmitted, objective network according to the comprehensive routing property determination user data of user data exports, the Rule of judgment of comprehensive routing property comprises user's routing property of subscriber equipment and/or the business routing property of user data, and can realize like this according to user's routing property and business routing property is that user data selects suitable network egress.For the business required high-quality, network stabilization, network egress that bandwidth is high can be selected for it; For the value traffic expending bandwidth in a large number, can select for it network egress that bandwidth usage is high; For high-priority users, network stabilization, network egress that bandwidth is high can be selected for it; And when user uses dynamic IP addressing, can be still that user data selects corresponding network egress according to the grade of subscriber equipment.
Further, in another embodiment of the present invention, comprise on the basis of above-mentioned steps 101-103, described data routing means receives the subscriber equipment user data to outer net to be transmitted, and the comprehensive routing property obtaining described user data comprises:
Described data routing means obtains user's routing property of described subscriber equipment;
Described data routing means carries out traffic identification to described user data, determines the business routing property of described user data;
Described data routing means determines the comprehensive routing property of described user data according to described user's routing property and described business routing property.
Further, in another embodiment of the present invention, comprise on the basis of above-mentioned steps 101-103, described data routing means carries out traffic identification to described user data, determines that the business routing property of described user data comprises:
The packet information of described data routing means to described user data identifies and mates, and determines the type of service of described user data;
Described data routing means determines the business routing property of described user data according to the type of service preset and the corresponding relation of business routing property.
Particularly, according to described user's routing property and described business routing property, described data routing means determines that the comprehensive routing property of described user data can comprise:
Priority between described data routing means more described user routing property and described business routing property, when the priority of described user's routing property is higher than described business routing property, using the comprehensive routing property of described user's routing property as user data, when the priority of described business routing property is higher than described user's routing property, using the comprehensive routing property of described business routing property as user data; Or
When the priority of described business routing property is no more than preset value, using the comprehensive routing property of described user's routing property as user data; When the priority of business routing property exceedes preset value, using the comprehensive routing property of described business routing property as user data; Or
When the priority of user's routing property is no more than preset value, using the comprehensive routing property of described business routing property as user data; When the priority of user's routing property exceedes preset value, using the comprehensive routing property of described user's routing property as user data.
Further, in another embodiment of the present invention, comprise on the basis of above-mentioned steps 101-103, described data routing means also comprises before receiving the subscriber equipment user data to outer net to be transmitted:
Described data routing means sets up the corresponding relation between comprehensive routing property and network egress;
According to described comprehensive routing property, described data routing means determines that the objective network outlet of described user data comprises:
The objective network of the network egress corresponding with described comprehensive routing property as described user data exports according to described corresponding relation by described data routing means.
Further, in another embodiment of the present invention, comprise on the basis of above-mentioned steps 101-103, described data routing means by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, described user data is routed to the outlet of described objective network and comprises:
Described data routing means judges whether the outlet of described objective network is the network egress nearest apart from described subscriber equipment;
When described objective network outlet is not the network egress nearest apart from described subscriber equipment, described data routing means encapsulates described user data, the network address exported by described objective network is as the object network address of described wrapper, by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
The embodiment of the present invention additionally provides a kind of data routing means, is arranged on metropolitan area network edge, and as shown in Figure 3, the present embodiment comprises:
Processing module, for receiving the subscriber equipment user data to outer net to be transmitted, obtain the comprehensive routing property of described user data, the Rule of judgment of described comprehensive routing property comprises user's routing property of described subscriber equipment and/or the business routing property of described user data;
Determination module, for determining the objective network outlet of described user data according to described comprehensive routing property;
Routing module, for by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
Data routing means of the present invention, obtain the comprehensive routing property of the subscriber equipment user data to outer net to be transmitted, objective network according to the comprehensive routing property determination user data of user data exports, the Rule of judgment of comprehensive routing property comprises user's routing property of subscriber equipment and/or the business routing property of user data, and can realize like this according to user's routing property and business routing property is that user data selects suitable network egress.For the business required high-quality, network stabilization, network egress that bandwidth is high can be selected for it; For the value traffic expending bandwidth in a large number, can select for it network egress that bandwidth usage is high; For high-priority users, network stabilization, network egress that bandwidth is high can be selected for it; And when user uses dynamic IP addressing, can be still that user data selects corresponding network egress according to the grade of subscriber equipment.
Further, described processing module comprises:
Attribute obtains submodule, for obtaining user's routing property of described subscriber equipment;
Content recognition submodule, for carrying out traffic identification to described user data, determines the business routing property of described user data;
Process submodule, for determining the comprehensive routing property of described user data according to described user's routing property and described business routing property.
Further, described content recognition submodule comprises:
Recognition unit, for identifying the packet information of described user data and mating, determines the type of service of described user data;
Search unit, for determining the business routing property of described user data according to the corresponding relation of the type of service preset and business routing property.
Further, described process submodule comprises:
First processing unit, for the priority between more described user's routing property and described business routing property, when the priority of described user's routing property is higher than described business routing property, using the comprehensive routing property of described user's routing property as user data, when the priority of described business routing property is higher than described user's routing property, using the comprehensive routing property of described business routing property as user data; Or
Second processing unit, for when the priority of described business routing property is no more than preset value, using the comprehensive routing property of described user's routing property as user data; When the priority of business routing property exceedes preset value, using the comprehensive routing property of described business routing property as user data; Or
3rd processing unit, for when the priority of user's routing property is no more than preset value, using the comprehensive routing property of described business routing property as user data; When the priority of user's routing property exceedes preset value, using the comprehensive routing property of described user's routing property as user data.
Further, described device also comprises:
Memory module, for setting up the corresponding relation between comprehensive routing property and network egress;
The objective network of the network egress corresponding with described comprehensive routing property as described user data exports specifically for the corresponding relation stored according to described memory module by described determination module.
Further, described routing module comprises:
Judge submodule, for judging whether the outlet of described objective network is the network egress nearest apart from described subscriber equipment;
Encapsulation submodule, for when described objective network outlet is not the network egress nearest apart from described subscriber equipment, described user data is encapsulated, the network address exported by described objective network is as the object network address of described wrapper, by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
Below in conjunction with accompanying drawing, data routing method of the present invention and device are described in detail:
Along with the development of mobile communication technology, the quantity of subscriber equipment gets more and more, and class of business is also more and more abundanter, in order to ensure the business experience of user, the business, the operator that require for high-quality have service needed by oneself and ensure its quality, for it selects network stabilization, network egress that bandwidth is high; For the value traffic expending bandwidth in a large number, need to reduce its assurance level, for it selects the network egress that bandwidth usage is high; For high-priority users, need to ensure its business experience, for it selects high network quality outlet; And when user uses dynamic IP addressing, needing still can according to user property for it carries out network egress selection.
But prior art cannot be come for user data selects network egress according to the business of user data, policybased routing configuration can only be carried out to large section continuous print IP address, not only need to expend huge workload, and configuration is static, once user adopts dynamic IP addressing, then cannot be embodied as user and carry out network egress selection.
In order to solve the problem, the invention provides a kind of data routing method and device, can carry out different network egresses according to user and business to user data and select, as shown in Figure 4, data routing method of the present invention specifically comprises the following steps:
Step 401: data routing means detects user equipment start service, receives the user data to outer net to be transmitted;
Data routing means of the present invention is as the IP layer access device of subscriber equipment, there is the functions such as user management, certification, content recognition, route, usually the position of IP bearer network BRAS (Broadband Remote Access Server) router is arranged on, it is the couple in router of metropolitan area network, each data routing means can be responsible for the multiple users geographically closed on, as a county, each metropolitan area network is provided with multiple contents construction device.
As shown in Figure 5, data routing means by metropolitan area network core router, economize net convergence router, backbone network couple in router, backbone network core router multi-hop be connected, eventually through the internetworking router being positioned at backbone network by traffic forwarding to other carrier networks.Each internetworking router connects the border router of other networks, and obtains whole routes of other networks by BGP (BorderGatewayProtocol, Border Gateway Protocol).AS (ApplicationServer, application server) is arranged in other networks, stores the user properties such as user gradation, be connected with data routing means in certificate server.
When user equipment start service, data routing means receives the user data of subscriber equipment.Such as subscriber equipment 1 and subscriber equipment 2 all initiate business 1 and business 2, and data routing means detects that subscriber equipment 1 and subscriber equipment 2 are all reached the standard grade, and receive subscriber equipment 1 and subscriber equipment 2 user data about business 1 and business 2 respectively.
Step 402: data routing means obtains the user gradation of subscriber equipment from certificate server, and then determines user's routing property of subscriber equipment;
The corresponding relation between user gradation and user's routing property is preset in data routing means, corresponding three routing properties of three user gradations are such as set, user gradation is divided into 0: Bronze Subscriber, 1: Silver Subscriber, 2: Gold Subscriber, then corresponding user's routing property is respectively 0: common route, and 1: generally ensure, 2: highly ensure.
From certificate server, such as data routing means learns that subscriber equipment 1 and subscriber equipment 2 are all Bronze Subscriber, then user's routing property is 0: common route.User gradation obtains from certificate server after each user reaches the standard grade, so data routing means can select network egress according to the change tread of user gradation.
Step 403: data routing means carries out content recognition to user data, obtains the business routing property of user data;
Data routing means possesses content recognition ability, and content recognition is in units of session, and a session is defined as the flow of an IP five-tuple mark.Data routing means can identify the IP five-tuple of user data, application layer condition code, properties of flow etc. and mate, and finally generates type of service coding to session, adds user data package as flow label, and as the foundation of follow-up Route Selection.The corresponding relation between type of service and business routing property is preset in data routing means, after the type of service determining user data, can according to the business routing property of this corresponding relation determination user data.
Such as respectively content recognition is carried out to the user data of subscriber equipment 1 and subscriber equipment 2, discovery business 1 is the browse class business lower to network egress quality requirement, corresponding business routing property is 1: generally ensure, discovery business 2 is the video class business high to bandwidth sum quality requirement, and corresponding business routing property is 2: highly ensure.
Step 404: the comprehensive routing property of data routing means determination user data, and determine the network egress that routing property comprehensive with this is corresponding;
Data routing means possesses route arbitration functions, can according to the comprehensive routing property of the synthetic determination user data such as Routing Protocol, user's routing property, business routing property, and determine comprehensive routing property is corresponding with this network egress and next hop router according to preset comprehensive routing property and the corresponding relation between network egress.Wherein, comprehensive routing property determines that network egress is selected, and heterogeneous networks outlet has different flow mass Means of Ensurings and rank, as large bandwidth, underloading, special line etc.Routing Protocol is standard public protocol, as BGP (Border Gateway Protocol), ISIS (the linking status Routing Protocol of classification) etc.
Particularly, after acquisition user's routing property of subscriber equipment and the business routing property of user data, can according to the comprehensive routing property of following several mode determination user data:
(1) compare the priority between user's routing property and business routing property, get the comprehensive routing property of wherein the highest priority as user data.Such as receive the user data needing to be transferred to outer net of subscriber equipment A, the user's routing property getting subscriber equipment A is 1: generally ensure; Carry out traffic identification to the user data of subscriber equipment A, determine the type of service of user data, the business routing property obtaining user data is 2: highly ensure, so using 2: highly ensure the comprehensive routing property as user data.
(2) when the priority of business routing property is no more than preset value, using the comprehensive routing property of user's routing property of subscriber equipment as user data; When the priority of business routing property exceedes preset value, using the comprehensive routing property of the business routing property of user data as user data.Such as receive the user data needing to be transferred to outer net of subscriber equipment B, the user's routing property getting subscriber equipment B is 1: generally ensure; Traffic identification is carried out to the user data of subscriber equipment B, determines the type of service of user data, be no more than 1 in the business routing property of user data: when generally ensureing, using 1: the general comprehensive routing property ensured as user data; In the business routing property of user data more than 1: when generally ensureing, using the comprehensive routing property of the business routing property of user data as user data.
(3) when the priority of user's routing property is no more than preset value, using the comprehensive routing property of the business routing property of user data as user data; When the priority of user's routing property exceedes preset value, using the comprehensive routing property of user's routing property of subscriber equipment as user data.Such as receive the user data needing to be transferred to outer net of subscriber equipment C, the user's routing property getting subscriber equipment C is 1: generally ensure, then can using the comprehensive routing property of the business routing property of user data as user data; Receive the user data needing to be transferred to outer net of subscriber equipment D, the user's routing property getting subscriber equipment D is 2: highly ensure, then using 2: highly ensure the comprehensive routing property as user data.
Step 405: user data is routed to corresponding network egress by data routing means.
Data routing means, after determining the network egress that user data is corresponding, will set up the user data route entry being index with the source IP address of user data, user data to be routed to corresponding network egress.Entry format is as follows, and wherein user account, user gradation, user's routing property, type of service, business routing property, comprehensive routing property and target outlet IP are the newly-increased attribute of user data route entry:
Wherein, user account is that data routing means obtains from certificate server, is the unique identification of subscriber equipment identity, is dynamic corresponding relation with the source IP of user data; The size that user gradation takies is 2bit, be also data routing means from certificate server, in a specific embodiment, user gradation can be 0: Bronze Subscriber, 1: Silver Subscriber, 2: Gold Subscriber; The size that user's routing property takies is 4bit, is the user's route assurance level judged according to user gradation, is specifically as follows 0: common route, 1: generally ensure, 2: highly ensure; The size that type of service takies is 16bit, is the type of service coding that data routing means is obtained by content recognition, identifies a session and belong to which kind of business, as micro-letter, PPLive etc.; The size that business routing property takies is 4bit, is the route assurance level of certain business datum according to type of service judgement, is specifically as follows 0: common route, 1: generally ensure, 2: highly ensure; The size that comprehensive routing property takies is 4bit, is the user data final route attribute according to user's routing property and business routing property synthetic determination, is specifically as follows 0: common route, 1: generally ensure, 2: highly ensure; Target outlet IP is the IP address that the objective network determined according to comprehensive routing property exports.
After determining objective network outlet, just can determine the next hop router of user data, user data forwards according to next-hop IP, can arrive objective network outlet.
Generally, the network egress of user data is the nearest network egress of distance users equipment, when the outlet of the present embodiment determined objective network is not the nearest network egress of distance users equipment, in order to user data be routed to objective network outlet, data routing means adopts the tunnel of IPinIP to encapsulate user data, carries out decapsulation in objective network outlet to tunnel.Wherein, internal layer IP is user equipment (UE) IP, and outer IP is objective network outlet IP.
Data packet format after encapsulation is as follows:
In one specific embodiment, business is initiated and is finally had access to the step of outer net application server as shown in Figure 5 and Figure 6:
Subscriber equipment 1 and subscriber equipment 2 all initiate business 1 and business 2, data routing means is as the IP layer access device of user, detect that subscriber equipment is reached the standard grade and obtains user gradation from certificate server, learn subscriber equipment 1 and subscriber equipment 2 Dou Shi domestic consumer, corresponding user's routing property is common route.
The data routing means that subscriber equipment 1 connects carries out content recognition to the user data of subscriber equipment 1, discovery business 1 is the browse class business lower to network egress quality requirement, corresponding business routing property is common route, then finally determine that the comprehensive routing property of the business 1 of subscriber equipment 1 is common route, the business 1 of internetworking router one to subscriber equipment 1 via bandwidth 10G forwards, business 2 is the video class business high to bandwidth sum network egress quality requirement, corresponding business routing property is special route, then finally determine that the comprehensive routing property of the business 2 of subscriber equipment 1 is special route, need to forward via internetworking router two, but the internetworking router two internetworking router that not to be distance users equipment 1 nearest, so carry out tunnel encapsulation to business 2 data of subscriber equipment 1, issue the internetworking router two that bandwidth reaches 100G, routed path is " data routing means 1-metropolitan area network core router one-province net convergence router 1-backbone network couple in router 2-backbone network core router 2-internetworking router two ".
The data routing means that subscriber equipment 2 connects carries out content recognition to the user data of subscriber equipment 2, discovery business 1 is the browse class business lower to network egress quality requirement, corresponding business routing property is common route, then finally determine that the comprehensive routing property of the business 1 of subscriber equipment 2 is common route, the business 1 of internetworking router one to subscriber equipment 1 via bandwidth 10G forwards, but the internetworking router one internetworking router that not to be distance users equipment 2 nearest, so carry out tunnel encapsulation to business 1 data of subscriber equipment 2, issue the internetworking router one of bandwidth 10G, routed path is " data routing means 2-metropolitan area network core router two-province net convergence router 2-backbone network couple in router 1-backbone network core router 1-internetworking router one ".; Business 2 is the video class business high to bandwidth sum network egress quality requirement, and corresponding business routing property is special route, then finally determine that the comprehensive routing property of the business 2 of subscriber equipment 2 is special route, need to forward via internetworking router two.
In the embodiment of the present invention, the user gradation of subscriber equipment obtains from certificate server after each subscriber equipment is reached the standard grade, so can according to the network egress of the change tread adjustment subscriber equipment of user property, and when user uses dynamic IP addressing, can be still that user data selects corresponding network egress according to the grade of subscriber equipment; The network egress of user data is determined by data routing means real time comprehensive after its user's routing property of judgement, business routing property, do not rely on the manual static configuration of similar policybased routing, therefore, it is possible to support personalized network egress selection that is a large amount of, dispersion user; Technical scheme of the present invention is that user data selects suitable network egress according to user's routing property and business routing property, different network egresses can be selected for the different business of same subscriber equipment, for the business required high-quality, network stabilization, network egress that bandwidth is high can be selected for it; For the value traffic expending bandwidth in a large number, can select for it network egress that bandwidth usage is high; For high-priority users, network stabilization, network egress that bandwidth is high can be selected for it, thus meet the diversified demand of user, improve the business experience of user.
Many functional parts described in this specification are all called as module, specifically to emphasize the independence of its implementation.
In the embodiment of the present invention, module can use software simulating, to be performed by various types of processor.For example, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for example, it can be built as object, process or function.However, the executable code of institute's identification module is does not have to be physically positioned at together, but can comprise and be stored in different different instruction physically, when these command logics combine, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many bar instructions, and even can be distributed on multiple different code segment, is distributed in the middle of distinct program, and crosses over the distribution of multiple memory devices.Similarly, operating data can be identified in module, and can realize according to any suitable form and be organized in the data structure of any suitable type.Described operating data can be collected as individual data collection, or can be distributed on diverse location and (be included in different storage device), and can only be present on system or network as electronic signal at least in part.
When module can utilize software simulating, consider the level of existing hardware technique, so can with the module of software simulating, when not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises existing semiconductor or other discrete element of conventional ultra-large integrated (VLSI) circuit or gate array and such as logic chip, transistor and so on.Module can also use programmable hardware device, the realizations such as such as field programmable gate array, programmable logic array, programmable logic device.
In each embodiment of the method for the present invention; the sequence number of described each step can not be used for the sequencing limiting each step; for those of ordinary skill in the art, under the prerequisite not paying creative work, the priority of each step is changed also within protection scope of the present invention.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. a data routing method, is characterized in that, is applied to the data routing means being arranged on metropolitan area network edge, and described data routing method comprises:
Described data routing means receives the subscriber equipment user data to outer net to be transmitted, obtain the comprehensive routing property of described user data, the Rule of judgment of described comprehensive routing property comprises user's routing property of described subscriber equipment and/or the business routing property of described user data;
Described data routing means determines the objective network outlet of described user data according to described comprehensive routing property;
Described data routing means by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
2. data routing method according to claim 1, is characterized in that, described data routing means receives the subscriber equipment user data to outer net to be transmitted, and the comprehensive routing property obtaining described user data comprises:
Described data routing means obtains user's routing property of described subscriber equipment;
Described data routing means carries out traffic identification to described user data, determines the business routing property of described user data;
Described data routing means determines the comprehensive routing property of described user data according to described user's routing property and described business routing property.
3. data routing method according to claim 2, is characterized in that, described data routing means carries out traffic identification to described user data, determines that the business routing property of described user data comprises:
The packet information of described data routing means to described user data identifies and mates, and determines the type of service of described user data;
Described data routing means determines the business routing property of described user data according to the type of service preset and the corresponding relation of business routing property.
4. data routing method according to claim 2, is characterized in that, according to described user's routing property and described business routing property, described data routing means determines that the comprehensive routing property of described user data comprises:
Priority between described data routing means more described user routing property and described business routing property, when the priority of described user's routing property is higher than described business routing property, using the comprehensive routing property of described user's routing property as user data, when the priority of described business routing property is higher than described user's routing property, using the comprehensive routing property of described business routing property as user data; Or
When the priority of described business routing property is no more than preset value, using the comprehensive routing property of described user's routing property as user data; When the priority of business routing property exceedes preset value, using the comprehensive routing property of described business routing property as user data; Or
When the priority of user's routing property is no more than preset value, using the comprehensive routing property of described business routing property as user data; When the priority of user's routing property exceedes preset value, using the comprehensive routing property of described user's routing property as user data.
5. data routing method according to claim 1, is characterized in that, described data routing means also comprises before receiving the subscriber equipment user data to outer net to be transmitted:
Described data routing means sets up the corresponding relation between comprehensive routing property and network egress;
According to described comprehensive routing property, described data routing means determines that the objective network outlet of described user data comprises:
The objective network of the network egress corresponding with described comprehensive routing property as described user data exports according to described corresponding relation by described data routing means.
6. data routing method according to claim 1, it is characterized in that, described data routing means by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, described user data is routed to the outlet of described objective network and comprises:
Described data routing means judges whether the outlet of described objective network is the network egress nearest apart from described subscriber equipment;
When described objective network outlet is not the network egress nearest apart from described subscriber equipment, described data routing means encapsulates described user data, the network address exported by described objective network is as the object network address of described wrapper, by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
7. a data routing means, is characterized in that, is arranged on metropolitan area network edge, and described data routing means comprises:
Processing module, for receiving the subscriber equipment user data to outer net to be transmitted, obtain the comprehensive routing property of described user data, the Rule of judgment of described comprehensive routing property comprises user's routing property of described subscriber equipment and/or the business routing property of described user data;
Determination module, for determining the objective network outlet of described user data according to described comprehensive routing property;
Routing module, for by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
8. data routing means according to claim 7, is characterized in that, described processing module comprises:
Attribute obtains submodule, for obtaining user's routing property of described subscriber equipment;
Content recognition submodule, for carrying out traffic identification to described user data, determines the business routing property of described user data;
Process submodule, for determining the comprehensive routing property of described user data according to described user's routing property and described business routing property.
9. data routing means according to claim 8, is characterized in that, described content recognition submodule comprises:
Recognition unit, for identifying the packet information of described user data and mating, determines the type of service of described user data;
Search unit, for determining the business routing property of described user data according to the corresponding relation of the type of service preset and business routing property.
10. data routing means according to claim 8, is characterized in that, described process submodule comprises:
First processing unit, for the priority between more described user's routing property and described business routing property, when the priority of described user's routing property is higher than described business routing property, using the comprehensive routing property of described user's routing property as user data, when the priority of described business routing property is higher than described user's routing property, using the comprehensive routing property of described business routing property as user data; Or
Second processing unit, for when the priority of described business routing property is no more than preset value, using the comprehensive routing property of described user's routing property as user data; When the priority of business routing property exceedes preset value, using the comprehensive routing property of described business routing property as user data; Or
3rd processing unit, for when the priority of user's routing property is no more than preset value, using the comprehensive routing property of described business routing property as user data; When the priority of user's routing property exceedes preset value, using the comprehensive routing property of described user's routing property as user data.
11. data routing means according to claim 7, is characterized in that, described device also comprises:
Memory module, for setting up the corresponding relation between comprehensive routing property and network egress;
The objective network of the network egress corresponding with described comprehensive routing property as described user data exports specifically for the corresponding relation stored according to described memory module by described determination module.
12. data routing means according to claim 7, is characterized in that, described routing module comprises:
Judge submodule, for judging whether the outlet of described objective network is the network egress nearest apart from described subscriber equipment;
Encapsulation submodule, for when described objective network outlet is not the network egress nearest apart from described subscriber equipment, described user data is encapsulated, the network address exported by described objective network is as the object network address of described wrapper, by metropolitan area network core router, economize net convergence router, backbone network couple in router, multi-hop between backbone network core router and backbone network internetworking router be connected, and described user data routed to the outlet of described objective network.
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