CN101516085B - Route rule updating method and device and communication system - Google Patents
Route rule updating method and device and communication system Download PDFInfo
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Abstract
The invention discloses a route rule updating method including that a local agency obtains route rule according to preset information and transmits the obtained route rule to mobile node. the local agency obtains route rule according to preset information and transmits the obtained route rule to mobile node, local agency can participates route rule constitution according to self route strategy, so that the constituted route rule is more reasonable.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of route rule updating method, device and communication system.
Background technology
In the internet, each main frame all has been assigned with Internet protocol (IP, Internet Protocol) address, because basic routing mode is based on the network prefix route, be the network segment that the IP datagram literary composition at first is routed to expression network prefix correspondence in the IP address, be forwarded to destination host then, therefore, the IP address not only identifies a main frame, also identifies the position of this main frame in network.When main frame (or being called mobile host) is mobile between different networks, this IP address just can not identify the position of this main frame in network, therefore, pass through a home agent (HA by name in the mobile IP technology, Home Agent) network element has been set up the data transmission tunnel between mobile host and the home network, when mobile host leaves home network, when entering visited network, home agent is given mobile host by the data forwarding that this data transmission tunnel will send to home network.
In existing multi-access technology, each mobile node (also can be called mobile host) can dispose one or more Care-of Address, and wherein, Care-of Address is the clean culture routable address that visited network is distributed to mobile node; Mobile node can adopt between different Care-of Address and the home agent and set up different tunnels, promptly has many routed paths between mobile node and the home agent.After home agent was intercepted and captured and to be mail to the data message of moving nodes local address, the routing rule according to consulting with mobile node mail to corresponding Care-of Address with message.
In the prior art, the method for consulting routing rule between mobile node and the home agent comprises: mobile node sends binding update messages to home agent, includes the routing rule that obtains in the mobile node in this binding update messages; After home agent receives this binding update messages,, judge whether to accept the routing rule in the binding update messages,, send and comprise the response message of the information of accepting routing rule to mobile node if accept according to the information that presets in the home agent; If do not accept, transmission comprises the response message of the information of refusing routing rule to mobile node.
In research and practice process to prior art, the present inventor finds: the Binding Update request that comprises routing rule that mobile node sends can only be accepted or refuse to home agent in the prior art, causes the routing rule made unreasonable.
Summary of the invention
The embodiment of the invention provides a kind of route rule updating method, device and communication system, makes home agent to obtain routing rule according to the information that presets, and makes that the routing rule that obtains is more reasonable, is convenient to the quick transmission of data message.
The embodiment of the invention provides a kind of route rule updating method, comprising:
Home agent reception strategy and strategy and charging control PCC rule that charging regulation function entity PCRF sends according to described PCC rule and the information that presets, obtain routing rule;
Home agent sends to mobile node with the described routing rule that obtains;
Home agent receives the renewal response that mobile node sends, and comprises at least in the described renewal response: the routing rule that mobile node is accepted and/or the routing rule of rejection.
The embodiment of the invention also provides a kind of home agent, comprising:
First receiving element is used to receive tactful strategy and the charging control PCC rule that sends with charging regulation function entity PCRF;
Acquiring unit is used for obtaining routing rule according to described PCC rule and the information that presets;
First transmitting element is used for the described routing rule that obtains is sent to mobile node;
The 3rd receiving element is used to receive the renewal response that mobile node sends, and comprises at least in the described renewal response: the routing rule that mobile node is accepted and/or the routing rule of rejection.
The embodiment of the invention also provides a kind of communication system, comprising: home agent, strategy and charging regulation function entity PCRF and mobile node;
Described strategy and charging regulation function entity PCRF are used for sending strategy and charging control PCC rule to described home agent;
Described home agent is used to receive strategy and strategy and charging control PCC rule that charging regulation function entity PCRF sends, according to described PCC rule and the information that presets, obtains routing rule; The described routing rule that obtains is sent to mobile node; Receive the renewal response that mobile node sends, comprise at least in the described renewal response: the routing rule that mobile node is accepted and/or the routing rule of rejection;
Described mobile node, be used to receive the routing rule that described home agent sends, judge whether to accept described routing rule, according to the result who judges, send and upgrade response, comprise at least in the described renewal response: the routing rule of acceptance and/or the routing rule of rejection to described home agent.
The embodiment of the invention also provides a kind of mobile node, comprising: second receiving element and updating block;
Described second receiving element is used to receive the routing rule that home agent sends;
Described updating block is used for the routing rule according to described reception, the routing rule of updated stored;
Described mobile node also comprises judging unit, second transmitting element, wherein,
Described judging unit is used to judge whether to receive the routing rule that home agent sends;
Correspondingly, described updating block specifically is used for according to the routing rule of judged result for receiving, the routing rule of updated stored;
Described second transmitting element is used for the judged result according to described judging unit, sends to upgrade response to described home agent, and described renewal response comprises at least: the routing rule of reception and/or the routing rule of rejection.
The embodiment of the invention adopts home agent according to the information that presets, obtain routing rule, this routing rule is sent to mobile node, make home agent to participate in according to the routing policy of self in the formulation of routing rule, make that the routing rule of making is more reasonable.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the general flow chart of a kind of route rule updating method of providing of the embodiment of the invention one;
Fig. 2 is the general flow chart of a kind of route rule updating method of providing of the embodiment of the invention two;
Fig. 3 is the general flow chart of a kind of route rule updating method of providing of the embodiment of the invention three;
Fig. 4 is the general flow chart of a kind of route rule updating method of providing of the embodiment of the invention four;
Fig. 5 is the general flow chart of a kind of route rule updating method of providing of the embodiment of the invention five;
Fig. 6 is the general flow chart of a kind of route rule updating method of providing of the embodiment of the invention six;
Fig. 7 is the logical block figure of a kind of communication system of providing of the embodiment of the invention seven;
Fig. 8 is the logical block figure of a kind of communication system of providing of the embodiment of the invention eight;
Fig. 9 is the logical block figure of a kind of communication system of providing of the embodiment of the invention nine;
Figure 10 is the logical block figure of a kind of home agent of providing of the embodiment of the invention ten;
Figure 11 is the logical block figure of a kind of mobile node of providing of the embodiment of the invention 11.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one,
The embodiment of the invention provides a kind of route rule updating method, and referring to shown in Figure 1, this method comprises:
Step 1: home agent obtains routing rule according to the information that presets;
Wherein, the information that presets in the home agent in the step 1 can also comprise: the control information that the preference information of user profile, traffic flow information, routed path information, mobile node, routing policy or other policy control entities send wherein any one or any several combination.It will be appreciated that also the item of information that comprises in the information that presets is not limited to above said information.Wherein, routing policy can be the local information of storing in the home agent.
Wherein, it will be appreciated that also that above-mentioned said routing rule can be understood as the matching relationship of data flow and routed path, this matching relationship can be mate one to one, one-to-many coupling, many-one coupling, many to any one of coupling.Data flow can be passed through traffic identifier (FID, Flower Identify), stream description or other modes and represent; Routed path can be represented by Care-of Address (CoA), binding logo (BID), Tunnel Identifier, access type of receipt or other modes.In presents is to adopt stream description to represent with data flow for example, and routed path adopts Care-of Address to represent, therefore should not be construed the restriction to embodiment.
Need to prove that also above-mentioned local routing strategy is the principle or the reference frame of formulating routing rule.For example: ftp business should be in the transmission of WiFi access technology, and first data flow that mails to 20 ports of IP address must be transmitted under same path with second data flow that mails to 21 ports of this IP address; Behind one of them data flow toggle path, another data flow also needs the path is switched to the path identical with the data flow of having switched.This place can be thought a concrete routing policy for example, also can think routing rule.
Step 2: home agent sends to mobile node with the routing rule that obtains.
Wherein, can have many routed paths between home agent and the mobile node in the step 2, home agent can send to mobile node with routing rule by any paths wherein.Need to prove that also the routing rule that home agent sends can be to be included in the routing rule update inquiry information, this routing rule update inquiry information can be a kind of mobile IP signaling of expansion.
Also need to prove, the routing rule of transmission can be to represent by the matching relationship of data flow and routed path.Routing rule can comprise many routing rules.
Explanation by above a kind of route rule updating method that present embodiment is provided, home agent is according to the information that presets, obtain routing rule, this routing rule is sent to mobile node, make home agent to participate in according to the routing policy of self in the formulation of routing rule, make that the routing rule of making is more reasonable.
More than be the renewal process that routing rule is described from the angle of home agent, also need to prove that this method can also comprise:
Step 3: mobile node receives the routing rule that home agent sends;
Step 4: mobile node judges whether to accept the routing rule that home agent sends;
Wherein, mobile node specifically can judge whether to receive the routing rule that home agent sends by the local information of storing in the mobile node, also can be, whether user's decision of mobile node accepts the routing rule that home agent sends.
Step 5: mobile node is according to the routing rule that is judged as acceptance, the routing rule of updated stored.
By of the explanation of above step 3, make mobile node upgrade the routing rule that is stored in the mobile node to step 5.In order to make the method for this renewal routing rule more perfect, preferred, can also wrap following steps:
Step 6: mobile node sends and upgrades response to home agent according to the result who judges in the step 4, comprises in this renewal response: the routing rule of acceptance and/or the routing rule of rejection.
Wherein, the renewal response that sends in the step 6 can be a kind of mobile IP signaling of expansion.
Therefore, preferred, this method also comprises:
Step 7: home agent receives the renewal response that mobile node sends.
By of the explanation of above step 1 to step 7, home agent is according to the information that presets that has comprised local routing policy, obtain routing rule, this routing rule is sent to mobile node, mobile node judges whether accept to upgrade routing rule, according to the routing rule of accepting, upgrade the routing rule of local storage.Realized that home agent can participate in according to the routing policy of self in the formulation of routing rule, made that the routing rule of making is more reasonable.
Need to prove that also the method that present embodiment provides just can be carried out after home agent and mobile node have been set up at least one path.Between local agency and mobile node, existed under the situation of at least one routed path, can repeatedly carry out the method that present embodiment provides.Therefore, optionally, think that this method can also comprise:
Step 1a: set up at least one routed path between home agent and the mobile node.
Wherein, setting up one or more than the step of one routed path between home agent and the mobile node, can be that mobile node has indicated a plurality of Care-of Address and can receive data when home agent carries out mobile IP registration, has promptly set up a plurality of routed paths.As Care-of Address CoA1 and CoA2, then representing has two routed paths between home agent and the mobile node.
It will be appreciated that also according at least one routed path that step 1a sets up, home agent can send the routing rule that obtains on any routed path when execution in step 2; In like manner, mobile node also is can send to upgrade response to home agent on any routed path when execution in step 7.
Embodiment two,
The embodiment of the invention provides a kind of route rule updating method, present embodiment is similar to embodiment one, all be that home agent is according to the information that presets, obtain routing rule, the routing rule that obtains is sent to mobile node, upgrade the routing rule of self storing according to the routing rule that receives by mobile node.Difference is that embodiment one is that home agent is initiatively initiated the routing rule renewal, and is the Binding Update request that the home agent basis receives in the present embodiment, triggers the renewal of routing rule.As shown in Figure 2, this method comprises:
Steps A 1: home agent receives the Binding Update request that mobile node sends, and triggers in this Binding Update request and carries out the routing rule renewal;
Wherein, need to prove in the Binding Update request that mobile node in the steps A 1 sends and carry routing rule, can be understood as the routing rule of mobile node application, home agent can acceptance, rejection or is revised this routing rule that this mobile node sends; If do not carry routing rule, then also trigger and carry out home agent renewal routing rule.
Also it will be appreciated that, the binding flow process of in mobile IP v 6, stipulating, the binding flow process is a kind of login mechanism, for example: mobile node sends in the Binding Update request and also comprises: the home address of mobile node, one or more than one Care-of Address, when receiving between home address and at least one Care-of Address, the local agency sets up corresponding relation, and storage; When the local agency received the data message that sends to home address, home agent was according to stored relation, with the Care-of Address of data message forwarding to correspondence.
Steps A 2: similar to step 1, home agent obtains routing rule according to the information that presets, and wherein, can comprise local routing policy in this information that presets;
Steps A 3: home agent sends the binding response message to mobile node, wherein, comprises the routing rule that obtains in this binding response message;
Wherein, optionally, open and to comprise in the binding response message that sends in the steps A 3: whether need mobile node to reply the information that routing rule upgrades the result.
The step 3 of steps A 4 to steps A 8 and the embodiment one is corresponding similar to the declaration order of step 7, and detailed description can reference example one.
Wherein, if comprise in the binding response message that home agent sends in the steps A 3: when needing mobile node to reply routing rule renewal result's information, just can execution in step A7 and steps A 8.
By above explanation to steps A in this method 1 to A8, home agent triggers to carry out and obtains routing rule after receiving the binding update messages that includes routing rule, the routing rule that obtains is included in sends to mobile node in the binding update messages.Realized that home agent can participate in according to the routing policy of self in the formulation of routing rule, made that the routing rule of making is more reasonable.
Embodiment three,
The embodiment of the invention provides a kind of route rule updating method, and this method is similar to the method that embodiment one provides, and all is initiatively to obtain routing rule by home agent, and routing rule is sent to mobile node.Illustrated in the present embodiment a kind of route rule updating method is to be applied under the concrete network environment, promptly the visited network at the mobile node place is respectively a GPRS (GPRS, General PacketRadio Service) and a WLAN (wireless local area network) (WLAN, Wireless Local Area Network).Wherein, the kind of visited network can be not limited to above said two kinds of visited network, the quantity of visited network also is not limited to above two, visited network can comprise more than one GPRS network and/or more than a wlan network, therefore, two of being not limited in the present embodiment to be enumerated of the routed path between mobile node and the home agent.
It will be appreciated that, before the method that the execution present embodiment provides, set up two routed paths between mobile node and the home agent, promptly home agent is the Care-of Address that mobile node distributes by the GRPS network, sets up a routed path with mobile node; Home agent is the Care-of Address that mobile node distributes by wlan network, sets up another routed path with mobile node.
Mobile node in the present embodiment specifically can be subscriber equipment (UE, User Equipment), and referring to shown in Figure 3, this method comprises:
Step B1: home agent obtains routing rule according to the information that presets, and wherein, can comprise local routing policy in this information that presets;
Step B2: home agent basis and at least one routed path that UE sets up send to UE with the routing rule that obtains.
Step B3:UE receives the routing rule that home agent sends;
Step B4:UE judges whether to accept the routing rule that home agent sends;
Step B5:UE upgrades the routing rule of local storage according to the routing rule that is judged as acceptance;
Step B6: according to the result who judges among the step B4, send and upgrade response, comprise in this renewal response: the routing rule of acceptance and/or the routing rule of rejection to home agent.
Step B1 is to step B6, and is corresponding similar to step 6 with step 1 among the embodiment one, the explanation of detailed description in can reference example one.
Wherein, it will be appreciated that among the step B2, home agent sends the routing rule that obtains can send to UE by any routed path in two days routed paths having set up.
Optionally, after step B3, before the step B4, this method can also comprise:
Step B3a:UE sends resource allocation request and is transmitted to gateway GRPS support node (GGSN, Gateway GPRS Support Node) via Serving GPRS Support Node (SGSN, Service GPRS Support Node) according to the routing rule that receives;
After step B3b:GGSN receives this resource allocation request, be the UE Resources allocation, send the resource allocation response message that is included as the UE Resources allocation and be transmitted to UE via SGSN;
Step B3c:UE receives the resource allocation response message of the GGSN transmission of transmitting via SGSN.
Therefore, specifically can the resource allocation response message that the UE basis receives among the step B4, judge whether to accept the routing rule that home agent sends.
To the explanation of step B3a, can think that by above home agent triggers UE and carries out the resource allocation flow process after routing rule is sent to UE for gprs system to step B3c.
Wherein, need to prove that the packet data gateway/couple in router shown in Fig. 3 (PDG/AR, Packet Data Gateway/Access Router) is the network element in the wlan network, can be used for being distributed in Care-of Address in the wlan network for UE.GGSN and SGSN are the network elements in the GPRS network.
Wherein, need to prove also that in GPRS, UE can be by setting up routed path between third generation collaborative project (3GPP, 3rd Generation Partnership Project) access technology and the HA; In WLAN, UE can be by setting up routed path between non-3GPP access technology and the HA.For other communication system, selecting according to designing requirement is to adopt 3GPP or non-3GPP access technology, sets up the routed path between UE (perhaps being called mobile node) and the home agent.
Explanation by above a kind of route rule updating method that present embodiment is provided, home agent is according to the information that presets that has comprised local routing policy, obtain routing rule, this routing rule is sent to UE, UE judges whether accept to upgrade routing rule, according to the routing rule of accepting, upgrade the routing rule of local storage.Realized that home agent can participate in according to the routing policy of self in the formulation of routing rule, made that the routing rule of making is more reasonable.
Embodiment four,
Present embodiment provides a kind of route rule updating method, and the method that present embodiment provides is similar to the method that embodiment two provides, and all is home agent is carried out routing rule under situation about being triggered renewal.Difference is that home agent triggers the renewal of routing rule according to the Binding Update request that receives in embodiment two; Home agent is to receive strategy and charging regulation function entity (PCRF in the present embodiment, Policyand Charging Rules Function) strategy that issues and the control (PCC that charges, Policy and ChargingControl) after the rule, triggers the renewal of routing rule.
The method that present embodiment provides is applied in the evolution grouping system (EPS, Evolved PacketSystem) usually.Wherein, IAD (AGW, Access Gateway), gateway (SGW, Seving Gateway), PCRF and packet data gateway (PGW, Packet Data NetworkGateway) all are the network entities among the EPS.Also it will be appreciated that, in EPS, the common integrated function of home agent among the PGW, promptly PGW and home agent are same entity, and this entity still is called PGW.
Referring to shown in Figure 4, a kind of route rule updating method that present embodiment provides comprises:
Step C1:UE is according to 3GPP access technology and/or non-3GPP access technology, and sets up at least one routed path between the PGW;
The step C2:PCRF implementation strategy and control (PCC) decision-making of chargeing are obtained the PCC rule;
Wherein, PCRF carries out the opportunity of PCC decision-making among the step C2, can be when PCRF is subjected to internal event or triggers outside opportunity.For example PCRF receives access information that PGW sends when changing, and triggers the PCC rule and makes a strategic decision again.The PCC decision-making that PCRF carries out is similar to prior art, can be with reference to prior art.
Step C3:PCRF sends to PGW with the PCC rule of obtaining;
Step C4:PGW receives this PCC rule, triggers and carries out the routing rule renewal;
Step C5:PGW obtains routing rule according to information that presets and the PCC rule that receives, and wherein, can comprise local routing policy in this information that presets;
Wherein, it will be appreciated that the PCC rule is that PCRF offers information such as the stream information of PCEF and corresponding bandwidth, delay requirement, PGW needs to consider the information in the PCC rule when formulating routing rule.
Step C6:PGW basis and at least one routed path that UE sets up send to UE with the routing rule that obtains;
Step C7:UE receives the routing rule that PGW sends;
Step C8:UE judges whether to accept the routing rule that PGW sends;
Step C9:UE upgrades the routing rule of local storage according to the routing rule that is judged as acceptance;
Step C10:UE sends and upgrades response to home agent according to the result who judges among the step C8, comprises in this renewal response: the routing rule of acceptance and/or the routing rule of rejection;
Step C11:PGW receives the renewal response that UE sends.
Explanation by the above method that present embodiment is provided, wherein, step C5 step 1 to step C11 and the embodiment one is corresponding similar to step 7, wherein UE is to be the different same entity of title with mobile node, home agent is integrated among the PGW in the present embodiment, the explanation of detailed explanation in can reference example one.
Need to prove that also in order to guarantee that existing procedure is transformed minimum purpose, the method that present embodiment provides can also comprise:
Step C12:PGW sends the PCC renewal and replys to PCRF according to the renewal response that step C11 receives.
Need to prove that also after step C2, this method can also comprise:
Carrying out gateway control session between step C13:PGW and the AGW upgrades.
Wherein, specifying of step C13 can be used for upgrading the resource of Access Network side from new distribution with reference to prior art.
Explanation by the above method that present embodiment is provided, in EPS, the PGW of integrated home agent function can be according to the PCC rule that receives, obtain routing rule, this routing rule is sent to UE, UE judges whether accept to upgrade routing rule, according to the routing rule of accepting, upgrades the routing rule of local storage.Realized that home agent can participate in according to the routing policy of self in the formulation of routing rule, made that the routing rule of making is more reasonable.
Embodiment five,
The embodiment of the invention provides a kind of route rule updating method, home agent is initiatively initiated the renewal of routing policy in the present embodiment, and this method is carried out this method under the situation of at least one routed path that home agent and mobile node have been set up, as shown in Figure 5, this method comprises:
Step D1: the routing policy that the home agent transmission is preset is to mobile node;
Step D2: mobile node receives routing policy information;
Step D3: mobile node obtains routing rule according to routing policy that receives and the route reference information that presets;
Wherein, the information that presets in the home agent among the route reference information that presets among the step D3 and the embodiment one is similar, also can comprise: the control information that the preference information of user profile, traffic flow information, routed path information, mobile node or other policy control entities send wherein any one or any several combination.It will be appreciated that also the item of information that comprises in the route reference information is not limited to above said information.
Step D4: mobile node sends to home agent with the routing rule that obtains;
Step D5: after home agent receives the routing rule of mobile node transmission, judge whether to accept the routing rule that mobile node sends according to the information of self preserving;
Step D6: home agent sends routing rule and upgrades response to mobile node according to the result who judges, this routing rule upgrades in the response and comprises: the routing rule information of acceptance and/or the routing rule of rejection;
Wherein, need to prove also that the routing rule among the step D6 upgrades in the response and can also comprise: the routing rule that home agent is formulated.At this moment, the routing rule formulated of home agent is replenishing of routing rule that mobile node is formulated.
By the explanation of above step D1 to step D6, this method has realized the renewal of routing rule, and with reference to from the routing policy information in the home agent, so the routing rule of making is more reasonable in the routing rule that mobile node is formulated.
Optionally, after step D6, this method can also comprise:
Step D7: mobile node receives the routing rule renewal response that home agent sends, and upgrades response according to this routing rule, upgrades the routing rule in the mobile node.
Wherein, the routing rule of mobile node renewal self specifically can comprise among the step D7: the routing rule that home agent is accepted is preserved; Routing rule deletion with the home agent rejection; The routing rule that home agent is formulated is preserved.More than be the concrete grammar that wherein a kind of mobile node upgrades the routing rule of self, it should be understood that concrete update method is not limited thereto.
Wherein, optionally, after step D2, before the step D3, the method that present embodiment provides can also comprise:
Step D2a: mobile node triggers the renewal of execution transmission routing policy and replys to home agent after receiving routing policy information.
Wherein, it will be appreciated that mobile node may not can upgrade routing rule immediately to execution in step D2 usually, still, when mobile node upgrades routing rule, must will consider the routing policy information that home agent sends.Therefore, after mobile node is receiving the routing policy information that home agent sends, when not reformulating routing rule immediately, understand execution in step D2a usually, the notice home agent has been received routing policy information.
By above explanation to present embodiment, home agent can send to mobile node with the routing policy information of self preserving, and mobile node obtains routing rule according to the routing policy information that receives.Consider the routing policy that home agent provides in the routing rule that obtains, make that the routing policy of making is more reasonable.
Embodiment six,
Present embodiment provides a kind of route rule updating method, and present embodiment is similar to embodiment five, and home agent all provides the routing policy that self preserves; Difference is that home agent is initiatively to send routing policy information to mobile node among the embodiment five, and home agent is to receive when triggering just can send routing policy information to mobile node in the present embodiment.
As shown in Figure 6, this method comprises:
Step e 1: mobile node sends binding update messages to home agent, can comprise in this binding update messages: routing rule information;
Step e 2: after home agent received this binding update messages, transmission included the Binding Update response message of the routing policy information that presets to mobile node;
Step e 3 is to the explanation of step e 8, and is corresponding similar to the explanation of step D7 with step D2 among the embodiment five, please refer to the explanation among the embodiment five.
By above explanation as can be known, in the method that present embodiment provides, home agent triggers the routing policy that will self preserve and is included in the Binding Update response message after receiving the binding update messages that includes routing rule, sends to mobile node; Mobile node obtains routing rule behind the routing policy with reference to home agent, make that the routing rule that obtains is more reasonable.
Embodiment seven,
The embodiment of the invention provides a kind of communication system, and referring to shown in Figure 7, this communication system comprises: home agent 11, this communication system can also comprise: mobile node 10.
Wherein, home agent 11 is used for obtaining routing rule according to the information that presets; The routing rule that obtains is sent to mobile node 10;
By above explanation to this communication system, home agent 11 is according to the information that presets that has comprised local routing policy, obtain routing rule, this routing rule is sent to mobile node 10, mobile node 10 judges whether accept to upgrade routing rule, according to the routing rule of accepting, upgrade the routing rule of local storage.Realized that home agent 11 can participate in according to the routing policy of self in the formulation of routing rule, made that the routing rule of making is more reasonable.
Optionally, more transparent in order to guarantee the reciprocal process between home agent 11 and the mobile node 10, mobile node 10 in this communication system, also be used for according to the result who judges whether to accept the routing rule that home agent 11 sends, send and upgrade response, comprise in this renewal response: the routing rule of acceptance and/or the routing rule of rejection to home agent 11;
Need to prove that also communicating by letter between home agent 11 and the mobile node 10 is based on the routed path of having set up between the two.Between home agent 11 and the mobile node 10 many routed paths can be arranged, more than saying between the home agent 11 described and the mobile node 10 can the routing rule renewal process, can communicate by any bar routed path wherein.Optionally, the mobile node 10 in this communication system also is used for setting up at least one routed path with home agent; In like manner, home agent 11 also is used for setting up at least one routed path with mobile node.
Above explanation as can be known, home agent 11 is initiatively to obtain routing rule in this communication system, and sends to mobile node 10, in fact, can also be this home agent 11 triggers under the situation of message in certain that receive that mobile node sends, obtains routing rule.
Therefore, optionally, the mobile node 10 in this communication system also is used to send the Binding Update request to home agent 11, can comprise routing rule in this Binding Update request;
Embodiment eight,
The embodiment of the invention provides a kind of communication system, this communication system is similar to the communication system that embodiment seven provides, in the communication system that present embodiment provides, two routed paths have been set up by 3GPP access technology and non-3GPP access technology between mobile node and the home agent.Wherein, routed path between mobile node of setting up by the 3GPP access technology and the home agent can think that the visited network at this mobile node place is a GPRS; By the mobile node of non-3GPP access technology foundation and a routed path between the home agent, can think that the visited network at this mobile node place is a WLAN.When mobile node during, can set up and the more routed path of home network at more visited network.
Therefore, home agent specifically is used for setting up at least one routed path according to 3GPP and/or non-3GPP access technology with mobile node; In like manner, mobile node specifically is used for setting up at least one routed path according to 3GPP and/or non-3GPP access technology with home agent.
Wherein, this mobile node is also referred to as UE, and the mobile node in the communication system that present embodiment provides is similar to the mobile node that embodiment seven provides, the explanation in can reference example seven.Also it will be appreciated that, when the visited network at UE place is GPRS, UE when receiving the routing rule that home agent sends, the resource allocation flow process of trigger network side.Therefore, optionally, UE (perhaps being called mobile node) also is used for according to the routing rule that receives, and sends resource allocation request and is transmitted to GGSN via SGSN; The resource allocation response message that the GGSN that reception is transmitted via SGSN sends;
Therefore, can also comprise in this communication system: SGSN and GGSN.Wherein, GGSN is used to receive resource allocation request, according to routing rule in the resource allocation request and the information that presets, is the UE Resources allocation, sends the resource allocation response message that is included as the UE Resources allocation and is transmitted to UE via SGSN.SGSN is used to transmit the message between UE and the GGSN.As shown in Figure 8, this communication system comprises: UE20, home agent 21, GGSN23 and SGSN22.
Embodiment nine,
Present embodiment provides a kind of communication system, this communication system is similar to the communication system that embodiment seven provides, in the communication system that present embodiment provides, also be to have set up two routed paths between mobile node and the home agent by 3GPP access technology and non-3GPP access technology.In conjunction with EPS this communication system is described in the present embodiment.
In EPS, home agent and PGW are integrated in one, and this entity still is called PGW, it should be understood that PGW be exactly before said home agent among the embodiment.Among the corresponding EPS, PGW (or being called home agent) has all functions of home agent illustrated among the embodiment seven, this PGW also is used to receive the PCC rule that PCRF sends, and triggers the information of carrying out according to the routing policy of this locality that presets according to this PCC rule, obtains routing rule; According to the renewal response that the UE that receives sends, send the PCC renewal and reply to PCRF.
Therefore, can also comprise in this communication system: PCRF, be used for the implementation strategy and control (PCC) decision-making of chargeing, obtain the PCC rule; The PCC rule of obtaining is sent to PGW; The PCC that receives the PGW transmission upgrades and replys.
As shown in Figure 9, this communication system comprises: PGW31, UE30 and PCRF32.
By above explanation to this communication system, PGW31 is according to the PCC rule that receives, trigger the information of carrying out according to the routing policy of this locality that presets, obtain routing rule, this routing rule is sent to mobile node, UE30 judges whether accept to upgrade routing rule, according to the routing rule of accepting, upgrades the routing rule of local storage.Realized that PGW31 can participate in according to the routing policy of self in the formulation of routing rule, made that the routing rule of making is more reasonable.
Embodiment ten,
Present embodiment provides a kind of home agent, and referring to shown in Figure 10, this home agent comprises: acquiring unit 100, first transmitting element 101.
Wherein, acquiring unit 100 is used for obtaining routing rule according to the information that presets, and wherein, can comprise local routing policy in this information that presets;
First transmitting element 101, the routing rule that is used for obtaining sends to mobile node.
By above explanation to this home agent, this home agent can obtain routing rule according to the information that presets, and the routing rule that obtains is sent to mobile node, has realized that home agent can formulate routing rule.
To communicate by letter more transparently in order making between this home agent and the mobile node, to be convenient to control, this home agent can also comprise: first receiving element 102 receives the renewal response that mobile node sends.
In the embodiment of method, illustrate, communicating by letter between home agent and the mobile node is on the routed path of having set up, therefore, this home agent can also comprise: first sets up path unit 103, is used for setting up at least one routed path with mobile node.
It will be appreciated that, more than Shuo Ming home agent can initiatively obtain routing rule, in fact, home agent also can be to receive under the situation of triggering, obtain routing rule, therefore, first receiving element 102 in this home agent, also be used to receive the Binding Update request that mobile node sends, this Binding Update request executing routing rule upgrades;
Accordingly, first transmitting element 101 also is used for sending the binding response message to mobile node, wherein, comprises the routing rule that obtains in this binding response message.
Optionally, the home agent that present embodiment provides can also comprise: the 3rd receiving element 104, be used to receive the renewal response that mobile node sends, and comprise at least in the described renewal response: the routing rule that mobile node receives and/or the routing rule of rejection.
Above-mentioned the 3rd receiving element 104 can be specifically to set up the path that path unit 103 is set up according to first, receives and upgrades response, as shown in figure 10.
According among the embodiment three about the explanation of method, as can be known, first in the home agent set up path unit 103, specifically is used for according to 3GPP access technology and/or non-3GPP access technology, sets up and sets up at least one routed path with mobile node.
According among the embodiment four about the explanation of method, as can be known, first receiving element 102 in the home agent (perhaps being called PGW) also is used to receive the PCC rule that PCRF sends, notice acquiring unit 100;
First transmitting element 101, also be used for comprising in this renewal response according to the renewal response that receives: the routing rule of acceptance and/or the routing rule of rejection send the PCC renewal and reply to PCRF.
Present embodiment provides a kind of mobile node, and referring to shown in Figure 11, this mobile node comprises: second receiving element 200 and updating block 202, optionally, this mobile node also comprises: the judging unit 201 and second transmitting element 203.
Wherein, second receiving element 200 is used to receive the routing rule that home agent sends;
Updating block 202 is used for the routing rule according to above-mentioned reception, the routing rule of updated stored;
Judging unit 201 is used to judge whether to accept the routing rule that home agent sends;
Correspondingly, described updating block specifically is used for according to the routing rule of judged result for receiving, the routing rule of updated stored;
Second transmitting element 203 is used for according to the result who judges, sends and upgrades response to home agent, and this renewal response comprises at least: the routing rule of acceptance and/or the routing rule of rejection.
By the explanation of the above mobile node that present embodiment is provided, this mobile node receives the routing rule that home agent sends, according to this routing rule, and the routing rule of updated stored.
Optionally, second transmitting element 203 in mobile node also is used to send the Binding Update request, can comprise routing rule in this Binding Update request;
Therefore, second receiving element 200 also is used to receive home agent and sends the binding response message, comprises the routing rule that obtains in this binding response message.
Optionally, explanation according to the method that provides among the embodiment three, as can be known, after second receiving element 200 in the mobile node receives the routing rule of home agent transmission, notify second transmitting element, 203, the second transmitting elements 203 also to be used to the routing rule that receives, send resource allocation request via Serving GPRS Support Node (SGSN, Service GPRS Support Node) is transmitted to gateway GRPS support node (GGSN, Gateway GPRS Support Node);
Therefore, second receiving element 200 also is used to receive the resource allocation response message via the GGSN transmission of SGSN forwarding.
Optionally, this mobile node can also comprise: second sets up path unit 204, is used for setting up at least one routed path with home agent; Specifically can be according to 3GPP access technology and/or non-3GPP access technology, set up at least one routed path with home agent.
It will be appreciated that as shown in figure 11, second to set up path unit 204 specifically can be to receive 200 and second transmitting element 203 by second, and carry out interacting message between the home agent.
By above explanation to this mobile node, this mobile node can realize upgrading the purpose of the routing rule of self according to the routing rule that receives, and also can realize triggering execution resource allocation flow process owing to the renewal of routing rule.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
More than a kind of route rule updating method, device and communication system that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1. a route rule updating method is characterized in that, comprising:
Home agent reception strategy and strategy and charging control PCC rule that charging regulation function entity PCRF sends according to described PCC rule and the information that presets, obtain routing rule;
Home agent sends to mobile node with the described routing rule that obtains;
Home agent receives the renewal response that mobile node sends, and comprises at least in the described renewal response: the routing rule that mobile node is accepted and/or the routing rule of rejection.
2. method according to claim 1 is characterized in that, the described information that presets comprises: wherein any one of the preference information of user profile, traffic flow information, routed path information, routing policy or mobile node, the perhaps combination of item arbitrarily.
3. method according to claim 1 is characterized in that, described home agent obtains before the routing rule according to the information that presets, and described method also comprises:
Home agent receives the Binding Update request that mobile node sends, and triggers home agent and carries out the routing rule renewal;
Described home agent sends to mobile node with the described routing rule that obtains, and specifically comprises: home agent sends the binding response message to mobile node, comprises at least in the described binding response message: the described routing rule that obtains.
4. method according to claim 1 is characterized in that, described home agent receives after the renewal response of mobile node transmission, and described method also comprises:
Home agent responds according to described renewal, sends strategy and upgrades response to strategy and charging regulation function entity PCRF with charging control PCC.
5. a home agent is characterized in that, comprising:
First receiving element is used to receive tactful strategy and the charging control PCC rule that sends with charging regulation function entity PCRF;
Acquiring unit is used for obtaining routing rule according to described PCC rule and the information that presets;
First transmitting element is used for the described routing rule that obtains is sent to mobile node;
The 3rd receiving element is used to receive the renewal response that mobile node sends, and comprises at least in the described renewal response: the routing rule that mobile node is accepted and/or the routing rule of rejection.
6. home agent according to claim 5 is characterized in that:
First receiving element also is used to receive the Binding Update request that mobile node sends, and described Binding Update request triggers described acquiring unit and obtains routing rule;
Described first transmitting element specifically is used for sending the binding response message to mobile node according at least one routed path of setting up with mobile node, comprises at least in the described binding response message: the described routing rule that obtains.
7. home agent according to claim 5 is characterized in that, described first transmitting element also is used for, and according to the renewal response that receives in described the 3rd receiving element, sends PCC and upgrades response to PCRF.
8. a communication system is characterized in that, comprising: home agent, strategy and charging regulation function entity PCRF and mobile node;
Described strategy and charging regulation function entity PCRF are used for sending strategy and charging control PCC rule to described home agent;
Described home agent is used to receive strategy and strategy and charging control PCC rule that charging regulation function entity PCRF sends, according to described PCC rule and the information that presets, obtains routing rule; The described routing rule that obtains is sent to mobile node; Receive the renewal response that mobile node sends, comprise at least in the described renewal response: the routing rule that mobile node is accepted and/or the routing rule of rejection;
Described mobile node, be used to receive the routing rule that described home agent sends, judge whether to accept described routing rule, according to the result who judges, send and upgrade response, comprise at least in the described renewal response: the routing rule of acceptance and/or the routing rule of rejection to described home agent.
9. communication system according to claim 8 is characterized in that, described home agent also is used to receive the Binding Update request that mobile node sends, and described Binding Update request triggers described home agent and obtains routing rule.
10. communication system according to claim 8 is characterized in that, described mobile node also is used for according to the routing rule of accepting, and sends resource allocation request and is transmitted to Gateway GPRS Support Node (GGSN) via Serving GPRS Support Node (SGSN); The resource allocation response message that the GGSN that reception is transmitted via SGSN sends; Then described communication system also comprises: SGSN and GGSN.
11. a mobile node is characterized in that, comprising: second receiving element and updating block;
Described second receiving element is used to receive the routing rule that home agent sends;
Described updating block is used for the routing rule according to described reception, the routing rule of updated stored;
Described mobile node also comprises judging unit, second transmitting element, wherein,
Described judging unit is used to judge whether to accept the routing rule that home agent sends;
Correspondingly, described updating block specifically is used for according to the routing rule of judged result for accepting, the routing rule of updated stored;
Described second transmitting element is used for the judged result according to described judging unit, sends to upgrade response to described home agent, and described renewal response comprises at least: the routing rule of acceptance and/or the routing rule of rejection.
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| CN2009101277928A CN101516085B (en) | 2009-03-24 | 2009-03-24 | Route rule updating method and device and communication system |
| PCT/CN2010/071198 WO2010108426A1 (en) | 2009-03-24 | 2010-03-23 | Routing rules update method, device and communications system |
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| CN101516085B (en) * | 2009-03-24 | 2011-11-02 | 华为技术有限公司 | Route rule updating method and device and communication system |
| CN102300275B (en) * | 2010-06-22 | 2014-07-30 | 华为终端有限公司 | Switching method in communication process and local route control function entity |
| CN102918915B (en) * | 2011-06-03 | 2017-04-12 | 华为技术有限公司 | Method and device for controlling service stream |
| WO2016056815A1 (en) | 2014-10-06 | 2016-04-14 | 엘지전자 주식회사 | Method for transmitting/receiving signal related to nbifom in wireless communication system, and apparatus therefor |
| EP3396990B1 (en) * | 2016-01-19 | 2020-02-12 | Huawei Technologies Co., Ltd. | Routing rule transmission methods and devices |
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| CN101150572B (en) * | 2006-09-22 | 2011-08-10 | 华为技术有限公司 | Binding and update method and device for mobile node and communication end |
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| CN101516085B (en) * | 2009-03-24 | 2011-11-02 | 华为技术有限公司 | Route rule updating method and device and communication system |
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| CN1881935A (en) * | 2006-04-30 | 2006-12-20 | 国家数字交换系统工程技术研究中心 | Mobile Internet protocol route processing method and system and router |
| EP1986392A1 (en) * | 2007-04-26 | 2008-10-29 | Motorola, Inc. | Method for route optimization between mobile entities |
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