CN102316086A - Relay method for service data and relay node system - Google Patents
Relay method for service data and relay node system Download PDFInfo
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- CN102316086A CN102316086A CN2010102270242A CN201010227024A CN102316086A CN 102316086 A CN102316086 A CN 102316086A CN 2010102270242 A CN2010102270242 A CN 2010102270242A CN 201010227024 A CN201010227024 A CN 201010227024A CN 102316086 A CN102316086 A CN 102316086A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B7/00—Radio transmission systems, i.e. using radiation field
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- H04B7/15—Active relay systems
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- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
Abstract
The invention discloses a relay method for service data and a relay node system. The relay node system comprises a relay control entity, a relay bearing entity and a quality of service measurement entity, wherein the relay control entity is used for receiving a relay request, selecting the relay bearing entity for a relay task requested by the relay request, requesting the relay bearing entity to execute the relay task and acquiring quality of service measurement information from the quality of service measurement entity; the relay bearing entity is used for executing the relay task and relaying the service data related to the relay task; and the quality of service measurement entity is used for executing a quality of service measurement task and reporting the obtained quality of service measurement information to the relay control entity. By the method and the system, each function entity of a relay node can be flexibly configured.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of trunking method and relay node of business datum.
Background technology
At present; Be positioned at network address translation (Network AddressTranslation at communicating pair; Abbreviate NAT as) after equipment or the firewall box time, because communicating pair can't directly connect, therefore; Need to use relaying technique to realize NAT/ Firewall Traversing function, help communicating pair to set up directly and connect.In addition, because Packet Data Network adopts the mode of try one's best (best effort) to come transmits data packets, its service quality is difficult to reach the demand of multimedia service.Therefore, in Packet Data Network, be necessary to use relaying technique, attempt many transmission paths and improve network service quality.
Wherein, relaying technique is meant through on the packet data package bang path, increasing one or more via nodes, carries out the technology that packet is transmitted by via node.IP route technology with traditional is compared, and through relaying technique: NAT/ Firewall Traversing function can be realized in (1), when communicating pair can't directly connect, the data relay function is provided; (2) the IPv4/IPv6 protocol conversion function can be provided, when communicating pair uses the different IP agreement, carry out protocol conversion and data relay function; (3) can change data transfer path, when default path can't satisfy quality of service requirement, can be through increasing relaying, the mode that changes data transfer path is improved service quality.Wherein, service quality comprises: propagation delay time, packet loss, transmission bandwidth and delay variation etc.; (3) a plurality of optional transmission paths can be provided, unreliable when default path, during bust this, can guarantee business continuance through quick switching transmission path.
The control of prior art via node and bearing function are placed in the same logic entity and realize.Particularly, each via node had both been realized the bearing function that packet is transmitted, and also need accomplish the relay and control functions such as information management, quality of service information collection and maintenance, relay selection algorithm and external interface of via node simultaneously.Fig. 1 has described a kind of existing via node way to manage.Guiding when wherein, Boot Server 101 is responsible for via node adding group; Common via node 103,104 and group's agent node 102 are the via node of homogeneous.Group's agent node 102 is from common via node, to elect, and is used to accomplish controlled function such as via node registration, qos measurement and network topological information maintenance.Simultaneously, common via node 103,104 is also realized part controlled function such as trunk node selection, external interface.And the node in all trunk group (comprising group's agent node 102) all need be realized the bearing function that media data is transmitted.
In via node way to manage shown in Figure 1, each via node needs to realize simultaneously control and bearing function, therefore has following defective:
(1) nodal function relative complex, node is realized and is difficult in maintenance.During existing via node was realized, the needs of via node were accomplished the relevant control of relaying and the repertoire of carrying, realize bringing difficulty to node.Further, in the via node, the Data-carrying function ratio is more single, and and independent of service.On the other hand, relay and control function more complicated, and need when professional evolution, upgrade synchronously.If all via nodes are all accomplished control and bearing function simultaneously, the software and hardware of relaying nodal terminal is realized that requirement is very high, and the great deal of nodes of when professional evolution, need upgrading.In real network, the ability of peer node maybe be different, and for example, the desktop computer that the software and hardware function is stronger is fit to accomplish controlled function more, and the Data-carrying function only can be accomplished in the regular handset terminal.
(2) Control Node is selected difficulty.Because the via node under the same group need provide similar relay services performance, the node among Fig. 1 under the same group must be in the same physical network or the network segment.Like this, when not having the stronger node of disposal ability in some physical network or the network segment, then can't select suitable group's agent node and accomplish complicated control and management function.For example, in the group in wireless cellular network, via node possibly be handheld mobile device, and these equipment can't be accomplished complicated controlled function.In this case, the outer via node of Cellular Networks can't accurately be measured the network condition in the Cellular Networks.Therefore, the outer via node of Cellular Networks can't replace these handheld devices to become the agency of group.Under the framework of control and carrying unification, can only realize group's agent functionality through in Cellular Networks group, increasing special relaying.
Summary of the invention
Main purpose of the present invention is to provide a kind of trunking method and relay node of business datum, one of to address the above problem at least.
According to an aspect of the present invention; A kind of relay node is provided; Comprise: the relay and control entity is used to receive relay request, for the relay task that this relay request is asked selects relaying to carry entity; Ask this relaying to carry entity and carry out this relay task, and obtain qos measurement information from the qos measurement entity; Relaying carries entity, is used to carry out above-mentioned relay task, the business datum that transfer is relevant with this relay task; The qos measurement entity is used to carry out the qos measurement task, gives the relay and control entity with the qos measurement information reporting that obtains.
According to a further aspect in the invention, a kind of trunking method of business datum is provided, has comprised: the relay and control entity receives relay request, and wherein, this relay request is used to the data service request relay resource between first node and the Section Point; The relaying that the relay and control entity selection is carried this data service carries entity, and the request relaying carries the relay task that entity is carried out this data service; It is that relay resource is reserved in above-mentioned data service that relaying carries entity, sets up data respectively with first node and Section Point and is connected, the business datum between transfer first node and the Section Point.
Through the present invention, the control of relay node and bearing function have been carried out reasonably distributing.Relaying carries entity only accomplishes basic data forwarding function, and the qos measurement entity is only accomplished basic measurement function, thereby the controlled function of complicacy is separated from via node.Make that relay and control function, bearing function and measurement function can flexible configuration in actual deployment.Therefore, can in mass of terminals, dispose simple relaying and carry entity and qos measurement entity, reduce the terminal and realize difficulty.Simultaneously, the relaying controlled entity of when upgrading service, only need upgrading has been simplified the upgrading flow process.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is a sketch map of realizing the via node management in the prior art;
Fig. 2 is the structural representation according to the relay node of the embodiment of the invention one;
Fig. 3 is a network structure of realizing centralized deployment in the embodiment of the invention one;
Fig. 4 is a network structure of realizing hybrid deployment in the embodiment of the invention two;
Fig. 5 is a network structure of realizing distributed deployment in the embodiment of the invention one;
Fig. 6 is the flow chart according to the trunking method of the business datum of the embodiment of the invention two;
Fig. 7 is the relaying carrying registers entities schematic flow sheet according to the embodiment of the invention three;
Fig. 8 is the parameter information report flow sketch map that carries entity according to the relaying of the embodiment of the invention four;
Fig. 9 is the relay and control entity requests qos measurement schematic flow sheet according to the embodiment of the invention five;
Figure 10 is the middle qos measurement entity active report measurement information schematic flow sheet according to the embodiment of the invention six;
Figure 11 is the relay and control entity selection relaying carrying entity schematic flow sheet according to the embodiment of the invention seven.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Embodiment one
Fig. 2 is the structural representation according to the relay node of the embodiment of the invention one, and this relay node comprises three logic entities: relay and control entity 203, relaying carry entity 204 and qos measurement entity 205.
Wherein, Relay and control entity 203 is used to receive relay request; Select relaying to carry entity 204 for the relay task that this relay request is asked, the request relaying carries entity 204 carries out this relay task, and sends the qos measurement task to qos measurement entity 205; Relaying carries entity 204, is used to carry out this relay task, the business datum that transfer is relevant with this relay task; Qos measurement entity 205 is used for carrying out qos measurement according to above-mentioned qos measurement task, gives relay and control entity 203 with the qos measurement information reporting that obtains.
In practical application, relay task is meant the data forwarding between relaying two nodes of realization (first node and Section Point).
Preferably, in the above-mentioned relay node APPN that the embodiment of the invention provides, first node and Section Point are two peer node in the peer-to-peer network.
In embodiments of the present invention, relay and control entity 203 is accomplished the controlled function of relay node, but concrete Data-carrying function is not provided.In embodiments of the present invention, Data-carrying is meant the forwarding of data flow and data stream is carried out qos measurement.Relay and control entity 203 be signaling being connected of other entities and connect the data of the big flow of not responsible carrying.Relay and control entity 203 can carry entity 204/ qos measurement entity 205 through the one or more relayings of signaling control.Relay and control entity 203 centerings are inherited the controlled function of carrying entity 204/ qos measurement entity 205 and are comprised: accept registration and register request that relaying carries entity 204/ qos measurement entity 205; Safeguard that relaying carries the real-time status information of entity 204; Select suitable relaying to carry entity 204 and implement the data forwarding task; Distribute relaying to transmit the concrete relaying of task and carry entity 204; Request qos measurement entity 205 carries out qos measurement and safeguards the measurement of correlation data, and other the webmaster functions such as control of chargeing.
Simultaneously, in embodiments of the present invention, relay and control entity 203 also be responsible for within the relay node or entity in addition carry out Signalling exchange, to accomplish necessary service interworking work.Entity within the relay node comprises: other relay and control entities (can carry entity information through signaling Exchange Service quality measurement information and subordinate's relaying between the relay and control entity), qos measurement agency (the relay and control entity can obtain qos measurement information through service quality proxy).Entity beyond the relay node comprises: operation controlling entity 201 and user terminal 202 (relay and control entity 203 can be accepted the relay task request from these entities through signaling), network topology management entity (relay and control entity 203 can obtain network topological information through signaling); Webmaster and charging entity (relay and control entity 203 can be accomplished webmaster and charging task through signaling and these entities).
In embodiments of the present invention; In order to realize the controlled function of relay and control entity 203, relay and control entity 203 needs to safeguard following data message: the relay and control entity information of the parameter information of network topology structure information (comprising network division, routing topology information etc.), subordinate's relaying carrying entity 204 (comprising that relaying carries address, ability and the loading condition etc. of entity), qos measurement information (time delay, delay variation, packet loss and the bandwidth etc. that comprise relevant link), equity (comprising that the coverage of relevant relay and control entity, subordinate's relaying carry entity etc.).Above-mentioned information can be stored in the inner database of relay and control entity, also can be stored in outside the relay and control entity, for example, in distributed hashtable (DHT) or the network topological information server.
In practical application; Relay and control entity 203 can be according to its maintenance service quality measurement information (time delay, bandwidth, delay variation; Packet loss) and/or relaying carry the parameter information of entity, select one or more relayings to carry entities 204 and carry out a certain data forwarding relay task.Wherein, Parameter information includes but not limited to: service quality, repeated link reliability (can be that relaying carrying entity 204 reports; Perhaps also can be to preserve in the relay and control entity 203) or relay services price (can be that relaying carrying entity 204 reports, perhaps preserve in the relay and control entity 203) etc.
Relaying carries entity 204 is responsible for concrete data forwarding, and relaying carries 204 of entities basic signaling interface is provided, promptly and the control signaling interface of 203 of relay and control entities, and the loading end signaling interface.Relaying carries entity 204 can need the entity of data relay function to set up being connected of loading end with user terminal or other, for user terminal or other need the entity junction traffic data of data relay function.
Relaying carries entity 204 accomplishes relay task under the control of relay and control entity 203; Particularly; Relaying carries the address that entity 204 is used to obtain the relay and control entity, sends register requirement to relay and control entity 203, to register at relay and control entity 203; Wherein, carry above-mentioned parameter information in this register requirement and carry the parameter information of entity 204 to report relaying to relay and control entity 203; And relaying carries entity 204 and can also cooperate relay and control entity 203 to accomplish necessary webmaster and billing function.
In addition, relaying carries entity 204 can also be periodically or when trigger event (for example, relay task is accomplished), reports its parameter information to relay and control entity 203, can safeguard that to tell people to carry out orders relay and control entity 203 relaying carries the real time information of entity 204.And relaying carries entity 204 in commission takes over sb.'s job when being engaged in, and also should safeguard the information of current data forwarding task of carrying out.
Further, qos measurement entity 205 also is used to safeguard the information of current qos measurement task of carrying out.
In practical implementation, a plurality of qos measurement entities 205 can converge through the qos measurement agency.Be that the relay and control entity sends to the qos measurement agency with the qos measurement request; The agency is transmitted to actual qos measurement entity 205 by qos measurement; Perhaps, the qos measurement agency also can periodically ask qos measurement entity 205 to carry out the measurement of service quality.Simultaneously, qos measurement agency can accomplish also partly that qos measurement entity controlled function comprises: registration and the register request of accepting the qos measurement entity; The real-time status information of maintenance service mass measurement entity; Request qos measurement entity 205 carries out qos measurement and safeguards the measurement of correlation data.
In the embodiment of the invention, the control of relay system and bearing function have been carried out reasonably distributing.Relaying carries 203 of entities accomplishes basic data forwarding function, and the qos measurement entity is only accomplished basic measurement function, and complicated controlled function is stripped from out from via node.Thereby make that relay and control function, bearing function and measurement function can flexible configuration in actual deployment.And then, simple relaying be can in mass of terminals, dispose and entity 204 and qos measurement entity 205 carried, reduce the terminal and realize difficulty.Simultaneously, the relaying controlled entity 203 of when upgrading service, only need upgrading, thus improved the efficient of upgrading.Further, in embodiments of the present invention, relay and control entity 203 also can be realized flexible deployment, need not carry entity 204 with the relaying of being managed and be deployed in consolidated network/network segment with qos measurement entity 205, has simplified the complexity of disposing greatly.
In real network was disposed, relay and control entity, relaying carry entity and the qos measurement entity is logic entity, can be deployed in flexibly in the different physical entities.Though the embodiment of the invention is primarily aimed at distributed peer-to-peer network, the deployment of the Different Logic entity of the embodiment of the invention can be adopted multiple mode, is not limited to distributed peer-to-peer network and realizes.
For example, can adopt centralized deployment, hybrid deployment and distributed deployment etc.Respectively these several kinds of deployment way of the embodiment of the invention are described below.Need to prove that in the concrete below deployment way, center Control Server, group's agent node, via node and measured node all refer to concrete physical node, in a physical node, can comprise one or more logic entities.
Fig. 3 has described the network architecture that is used for the system of centralized deployment in the embodiment of the invention.Virtual network operator can only be disposed a center Control Server 310 (can realize through many physical servers), in center Control Server 310, realizes the function of relay and control entity 311.Alternatively, center Control Server 310 also can comprise qos measurement agency 312.Can comprise a plurality of via nodes (320,330) or measured node 340 in the network.Wherein, in via node, can comprise relaying simultaneously carries entity (for example, 321) and qos measurement entity (for example, 322) or only comprises relaying carrying entity (for example, 331).Only comprise qos measurement entity 341 in the measured node 340.Relay and control entity 311 in the center Control Server 310 is responsible for all via node and measured node in the Control Network, and the relaying that comprises in these nodes carries entity and qos measurement entity.When center Control Server 310 has comprised qos measurement and has acted on behalf of 312, qos measurement agency 312 can be responsible for controlling with supervising the network in all measured node, and the qos measurement entity that comprises in these measured node.
Fig. 4 has described the network architecture that is used for the system of hybrid deployment in the embodiment of the invention.Can dispose group's agent node 410 and 450 of a plurality of equities in the network, and via node (420,430) and measured node (440).Can comprise relay and control entity, relaying carrying entity and qos measurement entity in group's agent node simultaneously, also can only comprise the relay and control entity, perhaps only comprise relaying and carry entity and qos measurement entity.The via node 420 that relay and control entity in each group's agent node is responsible in the network part and 430 and the management of measured node 440.Accomplish selection and the management function that relaying carries entity/qos measurement entity through Signalling exchange between the relay and control entity in group's agent node.In the hybrid deployment, group's agent node, via node and measured node can be formed overlay network with the mode of equity.
Fig. 5 has described the network architecture that is used for the system of distributed deployment in the embodiment of the invention.In this framework, each via node (510 and 520) all comprises the relay and control entity, relaying carries entity and qos measurement entity.The single relaying that each relay and control entity is only controlled in this physical node carries entity and/or qos measurement entity.The relay and control entity carries out alternately through distributed network, perhaps accomplishes selection and the management function that relaying carries entity and/or qos measurement entity through the mode of shared data bank.Measured node 530 can only comprise the qos measurement entity.
Need to prove that in embodiments of the present invention, relay and control entity, relaying carry entity and the qos measurement entity also can be deployed in the same physical entity with other network control entities or carrying entity.For example, relaying carries entity and the qos measurement entity can be used as in the software module embedding user terminal, and the relay and control entity can be unified setting with operation controlling entity or other network elements.
Need to prove that though only described three kinds of above-mentioned deployment way in the embodiment of the invention, be not limited to this, in practical application, the relay node that the embodiment of the invention provides also can be supported multiple other deployment way.
In various network was disposed, the Signalling exchange that relay and control entity, relaying carry between entity and the qos measurement entity can be followed same flow process.When a plurality of logic entities were unified, concrete Signalling exchange can be realized through inside story.
Embodiment two
Fig. 6 is the flow chart according to the trunking method of the business datum of the embodiment of the invention two, and this method can be accomplished through above-mentioned relay node, and this method mainly may further comprise the steps:
Step S602, relay and control entity 203 receives relay request, and wherein, this relay request is used to the data service request relay resource between first node and the Section Point;
For example; From the relay request of user terminal or operation controlling entity, can carry information such as the address of first node and Section Point, the type of service of request, the subscriber authentication information of sending relay request, requested service quality requirement in this relay request.
Step S604, the relaying that relay and control entity 203 is selected to carry this data service carries entity 204, asks this relaying to carry the relay task that entity 204 is carried out this data service;
Relay and control entity 203 can select relaying to carry entity 204 arbitrarily, also can carry out the corresponding relay selection algorithm and select the relaying of this relay task to carry entity 204.For example; Relay and control entity 203 can carry the parameter information that entity 204 available concrete service quality, relaying carry entity 204 (for example, the relaying disposal ability, the relaying that carry entity carries the access network type that entity connects at present, the upper limit that relaying carries the existing relay task number of entity, relay task number etc.) according to relaying selects relaying to carry entity 204.
For example, relay and control entity 203 carries entity 204 to relaying and sends the relay resource request, and the request relaying carries entity and keeps relay resource for this relay task.
Wherein, Relaying carries entity 204 available concrete service quality can measure acquisition through request qos measurement entity 205; Also can also from the qos measurement information of relaying controlled entity 203 preservations (promptly safeguarding), obtain through obtaining with other relay and control entity interactions.
Wherein, the parameter information that relaying carries entity 204 can be that relaying carrying entity 204 reports when registration, also can be that relaying carrying entity 204 periodically reports after registration, perhaps, when the predetermined trigger incident takes place, reports.
It is that relay resource is reserved in above-mentioned data service that step S606, relaying carry entity, sets up data respectively with first node and Section Point and is connected, the business datum between transfer first node and the Section Point.
The said method that provides through the embodiment of the invention; Relaying by relay and control entity selection bearer service data carries entity; Thereby the control of via node is separated with bearing function; Thereby make that relay and control function, bearing function and measurement function can flexible configuration in actual deployment, reduced the difficulty that relay function is realized, the flexibility that has improved network design.
Embodiment three
In the embodiment of the invention, the flow process that centering succession year entity 204 is registered at relay and control entity 205 describes.
Fig. 7 carries the schematic flow sheet that entity is registered to the relay and control entity for relaying in the embodiment of the invention.Wherein, registration process is that relaying carries entity after system start-up or change of network environment, the process of its basal conditions of notice relay and control entity.Mainly may further comprise the steps:
701, relaying carries entity in system start-up, or after the sensing network environment changes, confirms and need register.
Relaying carries the network address that entity at first obtains the relay and control entity.Concrete obtain manner includes but not limited to following mode: A) through inquire address server or domain name resolution server (DNS); B) dynamically obtain through network configuration information; C) through the address list of relaying carrying entity static configuration or buffer memory, D) search through distributed hashtable.
702, relaying carries entity and sends log-on message to the relay and control entity;
Wherein, log-on message can comprise but be not limited to following content: sign, the relaying that relaying carries entity carries the identity of entity authorization information, relaying carries the network address of entity, the disposal ability (CPU, internal memory, the network bandwidth, port resource and battery allowance etc.) of relaying carrying entity and the access network type that relaying carrying entity is connected at present.
703, relay and control entity record relaying carries the relevant information of entity, returns the information of succeeding in registration;
The relay and control entity can be according to the information of operation strategy and relaying carrying entity, and the refusal relaying carries the entity registration, returns registration failure information and indicates failure cause.Relaying carries entity behind registration failure, only if change of network environment or relevant treatment ability change, and attempts registration flow process no longer again.
Similarly, the qos measurement entity also need be registered to relay and control entity or qos measurement agency.Its idiographic flow is consistent with the register flow path that relaying carries entity, specifically repeats no more.Unification is provided with if qos measurement entity and relaying carry entity, and its register flow path can be simplified, and accomplishes through same message.
In above flow process, if adopt centralized deployment, the registration message that all relayings carry entity all mails to same relay and control entity.If adopt hybrid deployment, relaying carries group's agent node that entity inquires about under it through four kinds of modes describing in the step 701 to be registered.If the employing distributed deployment, relaying carries the relay and control registers entities of entity in same physical node.
Embodiment four
Fig. 7 is that relaying carries the schematic flow sheet of entity to relay and control entity reporting information in the embodiment of the invention.Relaying carries entity can report the relevant information of self to ownership relay and control entity.Report process regularly to trigger through timer, or by some Event triggered (like forwarding task completion etc.).Concrete steps are described below:
801, relaying carries entity and reports self information;
Wherein, can comprise in the reporting information but be not limited to following parameter: sign, the relaying that relaying carries entity carry identity of entity authorization information, relaying carry the network traffics of entity, existing relay task number, relay task count the upper limit and relaying and carry entity and start since elapsed time etc.Can also comprise the parameter of concrete relay task in the reporting information, wherein comprise: relay task sign, task flow, task are carried out duration and are connected tabulation with the data that task relates to.
802, receive reporting information after, the relay and control entity is preserved above-mentioned information, and, can select to return reporting information response, also can not return any information.
Embodiment five
Fig. 9 has described relay and control entity requests qos measurement entity and has carried out the qos measurement schematic flow sheet.When the underway node that continues of relay and control entity is selected, need the expection service quality of concrete relaying carrying entity be compared.Because the relay and control entity possibly carry entity not in same physical network/network segment with relaying, the relay and control entity need ask the qos measurement entity in the specific network segment to carry out qos measurement.Qos measurement can carry out when each trunk node selection, also can regularly implement at ordinary times.The qos measurement entity can be directly issued in the qos measurement request, also can pass through the service quality proxy transfer.Mainly may further comprise the steps:
901, according to the relay selection demand, the relay and control entity need be measured the service quality in the path between qos measurement entity 1 and the qos measurement entity 2, and the relay and control entity sends the qos measurement request message to qos measurement entity 1;
Wherein, the information of carrying in this qos measurement request message includes but not limited to: the information in path to be measured, the parameter of need measuring, metering system, measurement number of repetition and measure duration, and the measurement data etc. that whether allows to return buffer memory.
902; Alternatively; The relay and control entity can send the qos measurement request message to qos measurement entity 2 and connect to allow qos measurement entity 1 and qos measurement entity 2, and wherein, this qos measurement request can be transmitted through other relay and control entities;
903, set up data between qos measurement entity 1 and the qos measurement entity 2 and connect, and carry out concrete data connection and measure;
904, qos measurement entity 1 is to relay and control entity return measurement result (being qos measurement information), and the relay and control entity is preserved measurement result;
Alternatively, the relay and control entity can initiatively send to other relay and control entities with the measurement result of oneself preserving, or under other relay and control entity requests, shares measurement result.
Alternatively; The relay and control entity can be to qos measurement proxy requests qos measurement information; The qos measurement agency can select proper service mass measurement entity to carry out qos measurement, perhaps the qos measurement information of oneself preserving is directly sent to the relay and control entity.
Embodiment six
The embodiment of the invention has been described the initiatively flow process of reporting service quality metrical information of qos measurement entity.In the present embodiment, the relay and control entity requires the qos measurement entity in the process that practical business carries out, and the service quality of business data flow is measured.Measurement result can initiatively be reported by the qos measurement entity after each professional completion.
Figure 10 is the flow chart of present embodiment qos measurement, mainly may further comprise the steps:
1001; The relay and control entity requires the qos measurement entity to carry out the data service qos measurement, wherein, and in the qos measurement request message; Type of service that the relay and control entity declaration need be measured and characteristic, measuring task duration, measurement contents report information such as mode;
1002; The qos measurement entity is to the physical node through this qos measurement entity place; Or this physical node initiation; Or the business data flow that this physical node stops monitors, and monitors when data service 1 meets type of service in the qos measurement request message with feature description, and the qos measurement entity is measured the data flow of business 1; Wherein, type of service and characteristic can include but not limited to: class of business, data traffic, connection protocol kind, opposite end network address etc.;
1003, the qos measurement entity is filled in measurement result (being qos measurement information) and is reported the relay and control entity according to reporting the mode requirement in the measurement request message, and the relay and control entity receives this qos measurement information of also preserving;
Wherein, on to call time can be after each traffic measurement is accomplished, or after obtaining enough measurement data, or regularly report.
1004, the qos measurement entity detection meets type of service and the characteristic that its needs are measured to data service 2, and the qos measurement entity is measured professional 2 data flow;
1005, the qos measurement entity is according to reporting mode to fill in measurement result and sending to the relay and control entity, and the relay and control entity receives and preserve this measurement result.
Embodiment seven
Describe the relay and control entity in the embodiment of the invention and accepted the flow process that external request is selected relaying carrying entity carrying data.When service needed connected through via node, user terminal node or operation controlling entity can be initiated relay request to the relay and control entity and ask relay resource.The relaying that the relay and control entity selection is suitable carries entity sets up corresponding connection.
Figure 11 is a flow chart of realizing the business datum transfer in the present embodiment, mainly may further comprise the steps:
1101; User terminal 1 need connect through the data service that via node is set up with user terminal 2; User terminal 1 sends relay request to the relay and control entity and asks relay resource, can comprise following information in this request: the type of service of the address of user terminal 1,2, user's request, subscriber authentication information, requested service quality requirement etc.;
This message can be transmitted through operation controlling entity or other relay and control entity, also can directly generated and sent by operation controlling entity.
1102, the relay and control entity is carried out the corresponding relay selection algorithm according to the relaying demand of user's request, and selected this business is carried entity 1 completion by relaying;
Wherein, the relay selection algorithm can utilize the selection that the information such as load of the available concrete service quality of different relayings carrying entities, relaying carrying entity are carried entity.When carrying out selection algorithm; The relay and control entity can be with other entity interactions to obtain corresponding metrical information; Or request qos measurement entity is measured (carrying out embodiment five described flow processs); Or use the qos measurement information that the relay and control entity keeps (can be to obtain through the flow process of embodiment five, also can be to obtain through the flow process of embodiment six, can also through obtaining) to instruct relaying to carry entity selection with other relay and control entities.
1103, the relay and control entity carries entity 1 to the relaying that is chosen and sends the relay resource solicited message to keep relay resource, and wherein, the relay resource solicited message comprises concrete relaying type, data forwarding requirement, the parameter of reserved resource etc.;
1104, relaying carries and returns response message to the relay and control entity after entity keeps relay resource, comprises relaying in this response message and carries the parameter of entity 1 for this professional relay resource of reserving;
1105, the relay and control entity returns the relevant parameter that relaying carries entity 1 reserved resource through the relay request response message to user terminal 1;
1106, user terminal 1 is set up data with user terminal 2 through relaying carrying entity 1 and is connected, and is carried the business datum of entity 1 transfer user terminal 1 and user terminal 2 by relaying.
In above-mentioned flow process, in the step 1105, the relay and control entity can return the information that one or more relayings carry entity.Then in above-mentioned flow process, before step 1106 or after the step 1106, user terminal 1 can be asked the actual quality of connection of qos measurement entity measuring, and actual which the relaying carrying entity that uses of decision connects again.For example; If the qos measurement entity is not to be positioned at user terminal 1; Then user terminal 1 can send measurement request to the qos measurement entity through the relay and control entity; If the qos measurement entity is deployed in user terminal 1, then user terminal 1 can directly be carried out measuring task through its qos measurement entity.
From above description; Can find out; In embodiments of the present invention, reasonably distribute through control and bearing function with relay system, relaying carries entity only accomplishes basic data forwarding function; The qos measurement entity is only accomplished basic measurement function, and complicated controlled function is stripped from out from via node.Like this, relay and control function, bearing function and measurement function can flexible configuration in actual deployment.Thereby, simple relaying be can in mass of terminals, dispose and entity and qos measurement entity carried, reduce the terminal and realize difficulty.Simultaneously, the relaying controlled entity of when upgrading service, only need upgrading.Further, after the relay and control entity was independent, the relay and control entity also can be realized flexible deployment, need not carry entity and qos measurement entity with the relaying that quilt is managed in consolidated network/network segment, had simplified the complexity of disposing greatly.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. a relay node is characterized in that, comprising:
The relay and control entity is used to receive relay request, selects relaying to carry entity for the relay task that said relay request is asked, and asks said relaying to carry entity and carries out said relay task, and obtain qos measurement information from the qos measurement entity;
Said relaying carries entity, is used to carry out said relay task, the business datum that transfer is relevant with said relay task;
Said qos measurement entity is used to carry out the qos measurement task, gives said relay and control entity with the said qos measurement information reporting that obtains.
2. relay node according to claim 1 is characterized in that,
Said relaying carries the network address that entity also is used to obtain said relay and control entity, sends to said relay and control entity and carries the register requirement that said relaying carries the parameter information of entity;
Said relay and control entity also is used to receive said register requirement, preserves the said parameter information that carries in the said register requirement.
3. relay node according to claim 1 is characterized in that, said relaying carrying entity also is used for periodically or when trigger event takes place, reports said relaying to carry the parameter information of entity to said relay and control entity.
4. according to the said relay node of claim 1, it is characterized in that said relay and control entity also is used for obtaining and preserve qos measurement information from said relay node inside or other outside relay and control entities.
5. according to each described relay node in the claim 1 to 4, it is characterized in that said relay and control entity carries entity according to said parameter information and/or the said relaying of said qos measurement Information Selection that said relaying carries entity.
6. relay node according to claim 1 is characterized in that,
Said qos measurement entity also is used to obtain the network address of said relay and control entity, sends register requirement to said relay and control entity;
Said relay and control entity also is used to receive said register requirement, accepts the registration of said qos measurement entity.
7. relay node according to claim 1 is characterized in that, the said measurement result that said relay and control entity also is used to receive sends to inner or other the outside relay and control entities of said relay node.
8. according to each described relay node in the claim 1 to 4,6 and 7, it is characterized in that said relay and control entity also is used to obtain network topological information.
9. according to each described relay node in the claim 1 to 4,6 and 7, it is characterized in that said relay and control entity also is used for carrying out alternately with webmaster and charging entity, accomplish network management task and charging task.
10. according to each described relay node in the claim 1 to 4,6 and 7; It is characterized in that; Said relaying carries entity and is used to said relay task reservation relay resource; Set up the first node corresponding and the data of Section Point respectively and be connected, connect the said business datum of transmitting between said first node and the said Section Point through said data with said relay task.
11. relay node according to claim 10 is characterized in that, said first node and said Section Point are two peer node in the peer-to-peer network.
12. according to each described relay node in the claim 1 to 4,6 and 7,
It is characterized in that said relay node also comprises:
The qos measurement agency; Be used to receive the said qos measurement task that said relay and control entity issues said qos measurement task is sent to said qos measurement entity, or periodically issue said qos measurement task to said qos measurement entity.
13. the trunking method of a business datum is characterized in that, comprising:
The relay and control entity receives relay request, and wherein, said relay request is used to the data service request relay resource between first node and the Section Point;
The relaying that said relay and control entity selection is carried said data service carries entity, asks said relaying to carry the relay task that entity is carried out said data service;
It is that relay resource is reserved in said data service that said relaying carries entity, sets up data respectively with said first node and said Section Point and is connected, the business datum between said first node of transfer and the said Section Point.
14. method according to claim 13 is characterized in that, the relaying carrying entity that said relay and control entity selection is carried said data service comprises:
Said relay and control entity obtains parameter information that said relaying carries entity and carries the relevant qos measurement information of entity with said relaying;
Said relay and control entity carries entity according to said parameter information and the said relaying of said qos measurement information.
15. method according to claim 14 is characterized in that, said relay and control entity obtains one of in the following manner the qos measurement information that said relaying carries entity:
Said relay and control entity is through carrying the relevant qos measurement information of entity with obtaining alternately with said relaying of other relay and control entities;
Said relay and control entity obtains from the qos measurement information of having preserved with said relaying and carries the relevant qos measurement information of entity;
Said relay and control entity carries entity through request and said relaying and carries out qos measurement at the qos measurement entity of the same physical network or the network segment, obtains with said relaying and carries the relevant qos measurement information of entity.
16. method according to claim 15 is characterized in that, said relay and control entity obtains said qos measurement information and comprises through asking said qos measurement entity to carry out qos measurement:
Said relay and control entity sends measurement request to said qos measurement entity; Wherein, Carry the information in path to be measured in the said measurement request, said path to be measured is the path between said qos measurement entity and another qos measurement entity;
Receive and set up data between said qos measurement entity and said another qos measurement entity of said measurement request and connect, measure the parameter that said data connect;
Said qos measurement entity is given said relay and control entity with measurement result as said qos measurement information reporting according to the mode that reports of carrying in the said measurement request.
17. method according to claim 16; It is characterized in that; After said qos measurement entity was given said relay and control entity with said qos measurement information reporting, said method also comprises: said relay and control entity received and preserves said qos measurement information.
18. method according to claim 15 is characterized in that, said method also comprises:
Said relay and control entity sends measurement request to said qos measurement entity, asks said qos measurement entity that the service quality of the business data flow of ongoing business is measured;
Said qos measurement entity to through the physical node at said qos measurement entity place or initiate by said physical node or monitor by the business data flow that said physical node stops, find the said business data flow that said relay and control entity requests is measured;
Said qos measurement entity is measured the said business data flow that finds, and gives said relay and control entity with the qos measurement information reporting that measures;
Said relay and control entity receives and preserves the said qos measurement information that said qos measurement entity reports.
19. method according to claim 14 is characterized in that, said relay and control entity obtains parameter information that said relaying carries entity and comprises one of following:
Said relay and control entity receives said relaying and carries the register requirement of carrying said parameter information that entity sends, and from said register requirement, obtains and preserve said parameter information;
Said relay and control entity receives and preserves said relaying and carries entity periodically or the said parameter information that reports when taking place of trigger event.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010227024.2A CN102316086B (en) | 2010-07-02 | 2010-07-02 | The trunking method of business datum and relay node |
| PCT/CN2011/075099 WO2012000366A1 (en) | 2010-07-02 | 2011-06-01 | Relay method for service data and relay node system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010227024.2A CN102316086B (en) | 2010-07-02 | 2010-07-02 | The trunking method of business datum and relay node |
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| CN102316086A true CN102316086A (en) | 2012-01-11 |
| CN102316086B CN102316086B (en) | 2016-03-02 |
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| CN201010227024.2A Expired - Fee Related CN102316086B (en) | 2010-07-02 | 2010-07-02 | The trunking method of business datum and relay node |
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| WO (1) | WO2012000366A1 (en) |
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Also Published As
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| CN102316086B (en) | 2016-03-02 |
| WO2012000366A1 (en) | 2012-01-05 |
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