CN102821118A - Method and system for backing up services in network with heterogeneous nodes - Google Patents
Method and system for backing up services in network with heterogeneous nodes Download PDFInfo
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- CN102821118A CN102821118A CN2011101554260A CN201110155426A CN102821118A CN 102821118 A CN102821118 A CN 102821118A CN 2011101554260 A CN2011101554260 A CN 2011101554260A CN 201110155426 A CN201110155426 A CN 201110155426A CN 102821118 A CN102821118 A CN 102821118A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
Abstract
The invention discloses a system for backing up services in the network with heterogeneous nodes. The method comprises establishing a service subnet which is composed of nodes with same attributes, backing up generated service state information onto other nodes of the belonged service subnet when a service host node processes the services and recording service process state information into user data. The invention further discloses a system for backing up the services in the network with the heterogeneous nodes. By means of the method and the system, conversion of private data among the heterogeneous nodes is avoided; and on the premise that peer-to-peer network service processing procedures are not influenced, expenses for backing up the services and achievement complexity are reduced, and system performances are improved.
Description
Technical field
The present invention relates to distributed network abnormality processing technology, be meant the method and system of service backup in a kind of network that possesses heterogeneous nodes especially.
Background technology
P2P (Peer-to-Peer) technology is claimed reciprocity internet technique again, and it is with the interconnected distributed p 2 p of forming of the node equality on the network, and each host node not only serves as client but also serve as server.The P2P technology lets can set up the equity connection between the node, carry out resource-sharing and exchange, and resources shared described here comprises storage resources, computational resource, Internet resources etc.Because the P2P technology has decentralization, is prone to the advantage of scale, is used widely in many technical fields on the internet.The P2PSIP working group of internet engineering working group (IETF) has defined first resource location and discovery (Resource Location And Discovery, RELOAD) agreement to the P2P technology.
Along with the development and the maturation of P2P technology and related protocol, also begin to introduce the P2P technology in the telecommunications network and carry out core net professional control and processing.Fig. 1 is prior art distributed business network Organization Chart, and is as shown in Figure 1, and peer-to-peer A and peer-to-peer D belong to equipment vendor 1; Peer-to-peer B and peer-to-peer E belong to equipment vendor 2; Peer-to-peer C and peer-to-peer F belong to equipment vendor 3, and all peer-to-peer A form a distributed business network that homogenizes 14 to F, accomplish the professional controlled function of core net jointly, for example: the triggering of the access of user node, the control of session and signing service etc.In distributed network, for specifying a peer-to-peer, each user uses node based on pre-configured network algorithm as the business master, also claim responsible node.In conversation procedure; Adopt certain protocol to realize professional control between subscriber equipment and the peer-to-peer; For example: internet voice (Voiceover Internet Protocol; VoIP) business can adopt control protocol (Session InitiationProtocol, Session Initiation Protocol), the streaming media service of application layer to adopt point-to-point stream media protocol (Peer to Peer StreamingProtocol, PPSP agreement) etc.Then adopt the P2P agreement to realize the access of related data and the route of message between the peer-to-peer, like the RELOAD agreement etc.
For the higher real time business of ask for something, professional like VoIP, require to realize higher session reliability, need to guarantee that the ongoing business of user also can be unaffected when the peer device of some is delayed machine.A kind of execution mode is to be a peer-to-peer in distributed network, i.e. node, and another peer-to-peer of data of being responsible for and service selection backs up, and, launches subsequent use peer-to-peer and takes over main data and Business Processing with peer-to-peer when delaying machine with peer-to-peer when main.Yet, in the reality operation, possibly have a lot of heterogeneous nodes in the distributed network; The heterogeneous nodes here is meant the node of different vendor; Perhaps same manufacturer but the node of different editions, the business realizing mode of these nodes maybe be different, and this will cause between this heterogeneous nodes, carrying out need carrying out the conversion of private data in the service backup; Expense is bigger, realizes complicated.
In the distributed business network 14 for example shown in Figure 1, according to the method for prior art, node selects its follow-up or forerunner's node as its storage data and the secondary node of managing business according to the network algorithm of formulating.For example: peer-to-peer A may select peer-to-peer B as secondary node.Fig. 2 is for the schematic flow sheet of prior art distributed business network realization service backup, and is as shown in Figure 2, and the peer-to-peer A of equipment vendor 1 selects the peer-to-peer B of equipment vendor 2 as secondary node.When peer-to-peer A receives calling subscriber's conversation request; Carrying out session handles and User Status is updated in the local user data; Simultaneously user data and business processing status thereof are backuped on the peer-to-peer B, follow-up each customer service treatment state all need carry out the business processing status backup when changing.Because peer-to-peer A and peer-to-peer B belong to equipment vendor 1 and equipment vendor 2 respectively; Its method for processing business and data structure maybe be different; So when service backup, need between these two peer-to-peers, change; Cause the expense of service backup very big like this, and realize that difficulty is big, a series of problems such as performance reduction.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method and system of service backup in a kind of network that possesses heterogeneous nodes, can effectively solve the problem that distributed network possesses the backup difficulty that heterogeneous nodes causes.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides the method for service backup in a kind of network that possesses heterogeneous nodes, said method comprises:
Foundation is by the professional subnet that becomes with the attribute groups of nodes;
In the main process of business, the business state information that produces is backuped on other nodes of affiliated professional subnet, and business processing status information is recorded in the user data with the node processing business.
Wherein, Said the business state information that produces is backuped under on other nodes of professional subnet; And after recording business processing status information in the user data; Also comprise: when the business master who is managing business changes with node, new business master with node according to the business processing status information in the user data with said service message, send to and formerly professional main continue processing with the node in the professional subnet under the node.
Wherein, the said business master who is managing business changes with node, specifically comprises: formerly professional main use node failure, or the node that newly adds network is taken over former professional leading and with node business handled;
Said new business master with node with said service message; Send to former professional main with the continuation of the node in the professional subnet under node processing; Specifically comprise: after former professional master is with node failure; New business master obtains user data with node from data memory node, according to the business processing status information that writes down in the said user data said service message is sent to the service backup node and continues to handle; When the node of new adding network take over former professional main with node business is handled after; New business master obtains user data with node from data memory node, said service message is sent to former professional main with node continuation processing according to the business processing status information that writes down in the said user data.
Wherein, the foundation of said professional subnet specifically is at distributed p 2 p, or in the separate subnet;
Said method also comprises: when new node adds fashionablely, send to add professional subnet request, obtain the essential information of professional subnet, accomplish and add flow process.
Wherein, said node with attribute is specially: to the identical services function, and the node that processing mode is identical; Or to identical services state, the node that business state information is identical.
Wherein, under backuping to, said business state information with generation on other nodes of professional subnet, comprising:
After the business master receives business request information with node; Obtain said user data from data memory node; When the user did not have ongoing business, said professional master selected professional secondary node with node from affiliated professional subnet, business state information is backuped on the said professional secondary node; And the business processing status information after will upgrading is saved in the user data; Wherein, said business processing status information comprises: whether the user has ongoing business, and professional master is with nodal information and secondary node information.
The present invention also provides the system of service backup in a kind of network that possesses heterogeneous nodes, comprises in the said system: the professional subnet that becomes with the attribute groups of nodes; Comprise in the said professional subnet: professional main with node and other nodes, wherein,
Saidly professional main use node, be used for, under the business state information of generation is backuped on other nodes of professional subnet, and business processing status information recorded in the user data in the process of managing business.
Wherein, Said system also comprises: new business master uses node; Be used for when the business master who is managing business changes with node, said service message sent to former professional main with the continuation of the node in the professional subnet under node processing according to the business processing status information in the user data.
Wherein, Said system also comprises: initiate node, be used for sending the professional subnet request of adding, and obtain the essential information of professional subnet; Accomplish and add flow process; After having taken over ongoing business,, transmit service message to leading with on node or the secondary node according to the business processing status information in the user data.
Wherein, said node with attribute is specially: to the identical services function, and the node that processing mode is identical; Or to identical services state, the node that business state information is identical.
The method and system of service backup in the network that possesses heterogeneous nodes provided by the present invention is through setting up the professional subnet that becomes by with the attribute groups of nodes; Professional main with in the professional process of node processing, under the business state information of generation backuped on other nodes of professional subnet, and business processing status information recorded in the user data.Can the node with attribute be formed a professional subnet; Realization such as Business Processing and backup etc. have been avoided the private data conversion between heterogeneous nodes, under the prerequisite that does not influence the peer-to-peer network business processing flow; Reduce the expense and the implementation complexity of service backup, promoted systematic function.
Description of drawings
Fig. 1 is a prior art distributed business network Organization Chart;
Fig. 2 realizes the schematic flow sheet of service backup for the prior art distributed business network;
The method flow sketch map of service backup in the network that Fig. 3 possesses heterogeneous nodes for the present invention is a kind of;
Fig. 4 adds the flow chart of network for peer device of the present invention;
Fig. 5 is the professional backup flow chart of the embodiment of the invention one new session;
The flow chart of network adjustment when Fig. 6 is the inefficacy of the embodiment of the invention two peer device;
Business processing flow figure during Fig. 7 carried out when losing efficacy for the embodiment of the invention three peer device;
Fig. 8 is that embodiment of the invention "four news" (new ideas peer device adds business processing flow figure in fashionable the carrying out;
The system configuration sketch map of service backup in the network that Fig. 9 possesses heterogeneous nodes for the present invention is a kind of.
Embodiment
Basic thought of the present invention is the professional subnet of setting up to become by with the attribute groups of nodes; Professional main with in the professional process of node processing, under the business state information of generation backuped on other nodes of professional subnet, and business processing status information recorded in the user data.
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention further is discussed in more detail.
The method flow sketch map of service backup is as shown in Figure 3 in the network that Fig. 3 possesses heterogeneous nodes for the present invention is a kind of, said method comprising the steps of:
Concrete, the foundation of said professional subnet specifically is at distributed p 2 p, or in the separate subnet.Said node with attribute is specially: to the identical services function, and the node that processing mode is identical; Or to identical services state, the node that business state information is identical.In practical application, said with the attribute node, can be identical equipment vendor, or possess the node of the business procedure of identical version.
Further, said method also comprises: when new node adds fashionablely, send to add professional subnet request, obtain the essential information of professional subnet, accomplish and add flow process.
Concrete, whether new node adds any time in can said method, set up irrelevant with professional subnet.The essential information of said professional subnet comprises: the algorithm that adopts in access node information and the professional subnet.New node sends to the subnet Boot Server and adds professional subnet request, also need send to the Boot Server of distributed p 2 p to add the distributed p 2 p request.Certainly, new node both can add distributed p 2 p earlier, also can add professional subnet earlier, and the request of can also sending simultaneously adds distributed p 2 p and professional subnet.The idiographic flow that adds network is consistent with prior art, generally comprises: send to access node and join request, make up that local routing table, migration are responsible for storing data, other node transmission routing update request etc. in network.
Concrete, said professional master is specially with node: the node of being responsible for managing business in the professional subnet.The mode of said backup comprises: directly the corresponding business state information is carried out Synchronous Processing, perhaps said service message is transmitted back-up processing.On said other nodes that business state information backuped to professional subnet; Comprise: after the business master receives business request information with node, obtain relevant user data, when the user does not have ongoing business from data memory node; Said professional master selects a professional secondary node with node from affiliated professional subnet; Business state information is backuped on the said professional secondary node, and the business processing status information after will upgrading is saved in the user data, wherein; Said business processing status information comprises: whether the user has ongoing business, and professional master is with nodal information and secondary node information.Further, said obtain relevant user data after, also comprise: judge that according to the customer service state information of preserving in the said user data said user has or not the business of well afoot.
Further; After step 302; This method also comprises: when the business master who is managing business changes with node; New business master with node according to the business processing status information in the user data with said business, send to and formerly professional main continue processing with the node in the professional subnet under the node.
Concrete, the said business master who is managing business changes with node, specifically comprises: formerly professionally mainly use node failure, or the node that newly adds network is taken over former professional master and with node business handled.Said new business master with node with said service message; Send to former professional main with the continuation of the node in the professional subnet under node processing; Specifically comprise: after former professional master is with node failure; New business master obtains user data with node from data memory node, according to the business processing status information that writes down in the user data said service message is sent to the service backup node and continues to handle; When the node of new adding network take over former professional main with node business is handled after; New business master obtains user data with node from data memory node, said service message is sent to former professional main with node continuation processing according to the business processing status information that writes down in the user data.
Below in conjunction with specific embodiment the present invention is further set forth in detail, wherein, said distributed business network is aforementioned distributed p 2 p, and peer device is the node in the network.
Fig. 4 is the flow chart of peer device adding network of the present invention, and as shown in Figure 4, in the present invention, peer device need add in distributed business network and the professional subnet simultaneously.The concrete steps that the peer node A that equipment vendor 1 provides adds network are described below:
Step 401; Peer-to-peer A sends the distributed business network request that inserts to known Boot Server; Obtain the essential information of distributed business network, like the algorithm of access node, network using, the type of service of support and the Boot Server of affiliated professional subnet etc.;
Step 402, peer-to-peer A carries out and adds the distributed business network flow process;
Concrete, it is consistent with prior art that peer-to-peer A adds distributed business network, and general step is to send to access node and join request, make up local routing table, the responsible storage of migration data, send routing update request etc. to other network node;
Step 403, peer-to-peer A sends to the subnet Boot Server and adds professional subnet request, and the essential information of professional subnet under obtaining is like the algorithm of access node, network using;
Step 404, peer-to-peer A carries out and adds professional subnet flow process.
Concrete, the mode that peer-to-peer A adds professional subnet is consistent with the mode that adds distributed business network.
In concrete the realization, possibly there is various embodiments in above-mentioned steps, and 403-404 adds professional subnet like the peer device execution in step, and execution in step 401-402 adds distributed business network again; Distributed business network and professional subnet use same Boot Server, in step 401, obtain simultaneously distributed business network and under the essential information of professional subnet; In the step 403, peer device is registered to professional subnet Boot Server, and directly obtains other interior nodal information of professional subnet etc.
Fig. 5 is the professional backup flow chart of the embodiment of the invention one new session; As shown in Figure 5; When the peer device of distributed business network is received a user's conversation request message; Professional main obtains user data from said user's data memory node earlier, and judge according to the customer service state of preserving in the said user data that said user has or not and carry out middle business with node.If not existing, said user do not carry out middle business; Said professional main with selecting a professional secondary node the professional subnet of node under it; Said user's session treatment state is backuped to professional secondary node, will in said user data, upgrade said user business state information and will upgrade after user data be saved in said storage of subscriber data node.Concrete steps are described below:
Step 501, the calling subscriber sends the session initial request messages to the professional main node A that uses;
Concrete, said professional master uses node A, comprising: distributed business network is the peer device of user's appointment, for example: the access node of subscriber equipment; Perhaps distributed business network is according to network configured algorithm and the selected peer device of strategy; For example: combine user's unique identification to use the hash algorithm of network configuration to generate an ID, select a node ID and the immediate peer device of said ID to use node according to configured strategy then as said user's business master.
Step 502, professional master obtains user data with node A from the storage of subscriber data node;
Concrete, said professional master can be same peer device with node A and storage of subscriber data node, also can be different peer device.
Step 503, the professional main user data that obtains with node A basis judges that said calling subscriber does not have other to carry out middle business, this peer node is handled said calling subscriber's session initiation request as said user's service processing node;
Step 504, professional master searches according to the industry affair secondary node that is configured into of affiliated professional subnet with node A, and the secondary node of selecting professional secondary node B to handle as said customer service;
Step 505, professional master backs up said calling subscriber's business processing status with node A to professional secondary node B;
Concrete, professional master is the identical peer device of attribute with node A and professional secondary node B.The back mechanism of business processing status can for example directly be carried out corresponding internal storage state perhaps user's service message to be transmitted backup etc. synchronously by the inner decision of professional subnet.
Step 506, professional master is recorded in said user's service condition in the user data with node A, and is updated to the storage of subscriber data node.
Concrete, described customer service state comprises: said user has or not and carries out middle business; And possesses in carrying out when professional professional secondary node information; Or professional master is with nodal information and secondary node information.For example the user has and carries out middle session, and professionally mainly uses node to be A, and professional secondary node is B.
Step 507, professional main with the session initiation request of node to callee side device forwards calling subscriber.
Concrete, said callee side equipment, or called subscriber's service processing equipment, or called subscriber's agent equipment, or called subscriber equipment.This step is promptly accomplished the foundation of session, beginning session service flow process, and in the process that session service carries out, also need the backup traffic state information.
In the present embodiment; Usually carry out operation layer between subscriber equipment and the peer device or between peer device and the peer device when communicating by letter; All need at first set up operation layer communication and connect, need at first set up peer network layers communication when carrying out peer network layers communication and connect.Like step 501, when calling subscriber equipment sends the session initiation request to the business master with node A, need at first set up said calling subscriber equipment and communicate to connect with the operation layer between the node with said professional leading; Step 502, professional main with node A when the storage of subscriber data node obtains user data, need at first set up said professional leading and communicate to connect with the peer network layers between node A and the said storage of subscriber data node.As the rule of communication between general subscriber equipment and peer device, peer device and the peer device, irrelevant with content of the present invention, in the embodiment of the invention this step is described by omission.
The flow chart of network adjustment when Fig. 6 is the inefficacy of the embodiment of the invention two peer device; As shown in Figure 6; Certain peer device inefficacy when distributed business network; For example: withdraw from by force, accident is delayed machine, the time, need carry out the network adjustment with problems such as the user data loss avoiding said peer device to lose efficacy causing, customer service interruptions.The adjustment of said network comprises: professionally mainly is responsible for the storage user data migration with node, the professional main customer service of being responsible for node is handled migration, the backup again of the user processing state that professional secondary node is responsible for backing up etc.Concrete network set-up procedure is described below:
Step 601, professional main with node A inefficacy, need be to other node with node A storage user data and responsible business migration;
Concrete, said professional main the inefficacy with node A comprises: said professional master causes with node A equipment fault, for example: the machine of delaying, network disconnection etc.; Or said professional master initiatively applies for exitting network with node A.In the main situation with node A inefficacy of said business, the discovery mode of other nodes comprises: other interdependent node in the distributed business network is initiatively found, or said professional master initiatively applies for node A.
Step 602, the professional main relevant peers node of notifying distributed business network with node A fail message through routing update message;
Concrete, described routing update message is sent with the discovery node that node A lost efficacy by said professional master, is perhaps initiatively sent with node A by said professional master.The relevant peers node of said reception fail message comprises: take over said professional main data memory node with node A storage user data; Take over the said professional new business master who leads the business of being responsible for handling with node A and use node C; Be responsible for the professional secondary node B of the said professional main middle service backup of being responsible for node A handling of carrying out of backup.Wherein, the new business master is accomplished by the existing distributed peer-to-peer network with the selection of node C.
Step 603, business is main receives the routing update notice with node C, knows that professional master with node A inefficacy, upgrades local routing table, and prepares the main part or all of business of being responsible for handling with node A of adapter business;
Step 604, the data memory node on the distributed business network are received the routing update notice, know that the professional main node A that uses lost efficacy, and was responsible for storage user data with the business master with node A and backuped to again on the new memory node;
Step 605, professional secondary node B receives routing update notice, knows professional mainly lost efficacy with node A, upgrades local routing table, and prepares to take over the business of the well afoot that professional master is responsible for handling with node A;
Step 606, professional secondary node B reselects a professional secondary node E and carries out the business processing status backup according to the backup policy of distributed business network from affiliated professional subnet;
Concrete, said professional secondary node B also can select further not back up the business state information of said professional secondary node B backup according to the backup policy of distributed business network.
Step 607 is if professional secondary node B further selects professional secondary node E to back up the business of said professional secondary node B backup, then to storage of subscriber data node updates user's business state information.
In the present embodiment, step 603-605 does not have strict sequencing requirement, by the implementation strategy decision of distributed business network.
Business processing flow figure during Fig. 7 carried out when losing efficacy for the embodiment of the invention three peer device; As shown in Figure 7; When certain peer device of distributed business network lost efficacy (as withdraw from by force, accident is delayed machine) time; The conversation request message that said inefficacy peer device is responsible for is routed to a new business master again and is used node, and said new business master obtains user data with querying node, and the customer service secondary node information of preserving in the customer service state information according to user data; Said conversation request is forwarded on the said customer service secondary node, and said customer service secondary node continues to accomplish said user's session processing.Concrete steps are described below:
Step 701, professional master knows that with node C the professional main node A that uses lost efficacy, the professional main business of being responsible for handling with node A of adapter;
Concrete, this step is the standard realization according to prior art.
Step 702, professional secondary node B knows and professional main lost efficacy with node A, takes over the business of the well afoot that professional master is responsible for handling with node A;
Step 703, relevant device sends conversation request/response message to new business master with node C;
Concrete, said relevant device is specially: subscriber terminal equipment, or customer service is handled relevant device or peer device on the path.
Step 704, new business master obtains the user data after the renewal with node C from the storage of subscriber data node;
Concrete, said new business master uses node C and storage of subscriber data node or is same peer device, perhaps is different peer device.
Step 705, new business master according to the user data after the renewal of obtaining, judge that said user has the business of other well afoot, and said user's business master uses node to be E as B, subsequent use service node with node C;
Concrete, the user data after the said renewal is specially: the user data that upgrades in the step 607 in the previous embodiment two.
Step 706, new business master is forwarded to conversation request/response message of receiving on the professional secondary node B with node C;
Concrete, if the network adjustment flow process that waits the body equipment failure among the embodiment two does not finish as yet, possibly exist user's in the said user data business state information still to be: said user's business master uses node to be B as A, subsequent use service node.This stylish business master arrives based on local reception with node C, and professional main information with node A inefficacy can directly be forwarded to conversation request/response message of receiving on the professional secondary node B.
Step 707, professional secondary node B continues the business of the said user's of processing well afoot with node as the business master;
Step 708, professional secondary node B backups to said user's business processing status on the professional secondary node E that belongs to same professional subnet;
Step 709, professional secondary node B accomplishes the customer service processing new business master in back and returns conversation request/response message with node C;
Step 710, new business master transmits conversation request/response message with node C to relevant device.
Further, among the step 709-710, professional secondary node B can also directly send to relevant device with the session requests/response messages.
Fig. 8 is that embodiment of the invention "four news" (new ideas peer device adds business processing flow figure in fashionable the carrying out; As shown in Figure 8; When having new peer device to add network on the distributed business network; Said initiate peer device will be taken over a part of user's of other peer device Business Processing; When this part user's conversation request message was routed on the said initiate peer device, said initiate peer device was forwarded to the original business master of this user with on the node according to obtaining the customer service state information in the user data with said user conversation request message.Concrete steps are described below:
Step 801, peer node C accomplishes distributed business network and adds, and according to the network algorithm and the strategy of network configuration, takes over the professional main partial service of being responsible for node A and handles, and takes over the partial data that other relevant peers node is responsible for storing;
Step 802, relevant device is to initiate professional main with node C transmission conversation request/response message;
Concrete, said relevant device comprises: subscriber terminal equipment, or customer service is handled relevant device or peer device on the path.
Step 803, initiate professional master obtains user data with node C from the storage of subscriber data node;
Concrete, said initiate professional main use node C and storage of subscriber data node are same peer device perhaps, perhaps are different peer device.
Step 804, the initiate professional main user data that obtains with node C basis judge that said user has the business of other well afoot, and said user's business master uses node to be B as A, subsequent use service node;
Step 805, initiate professional main conversation request/response message of receiving business of being forwarded to is main with on the node A with node C;
Step 806, the professional main middle business of carrying out that continues to handle said user with node A;
Step 807, professional master backups to said user's business processing status on the professional secondary node B that belongs to same professional subnet with node A;
Step 808, professional master accomplishes the initiate professional master in customer service processing back with node A and returns conversation request/response message with node C;
Step 809, initiate professional master transmits conversation request/response message with node C to relevant device;
Concrete, among the step 808-809, professional master can also directly send to relevant device with the session requests/response messages with node A.
The system configuration sketch map of service backup in the network that Fig. 9 possesses heterogeneous nodes for the present invention is a kind of, as shown in Figure 9, said system is arranged in distributed p 2 p and comprises: the professional subnet that becomes with the attribute groups of nodes; What need specified otherwise is; Professional subnet among Fig. 9 is arranged in distributed p 2 p; But in fact said professional subnet can also be arranged in separate subnet; Therefore the position to professional subnet need specifically not limit in system of the present invention, can be arranged in distributed p 2 p, can be arranged in another network yet.The present embodiment diagram, only being arranged in distributed p 2 p with professional subnet is example.
Comprise in the said professional subnet: professional main with node 91 and other nodes 92, wherein,
Said professional main with node 91, is used in the process of managing business, under the business state information of generation is backuped on other nodes 92 of professional subnet, and business processing status information recorded in the user data.
Concrete, said node with attribute is specially: to the identical services function, and the node that processing mode is identical; Or to identical services state, the node that business state information is identical.In practical application, said with the attribute node, can be identical equipment vendor, or possess the node of the business procedure of identical version.
Said professional master is specially with node 91: the node of being responsible for managing business in the professional subnet.The mode of said backup comprises: directly the corresponding business state information is carried out Synchronous Processing, perhaps said service message is transmitted back-up processing.On said other nodes 92 that business state information backuped to professional subnet; Comprise: after the business master receives business request information with node 91, obtain relevant user data, when the user does not have ongoing business from data memory node; Said professional master selects other node 92 as professional secondary node from affiliated professional subnet with node 91; Business state information is backuped on the said professional secondary node, and the business processing status information after will upgrading is saved in the user data, wherein; Said business processing status information comprises: whether the user has ongoing business, and professional master is with nodal information and secondary node information.Further, said obtain relevant user data after, also comprise: judge that according to the customer service state information of preserving in the said user data said user has or not the business of well afoot.
Further; Said system also comprises: initiate node 93, be used for sending the professional subnet request of adding, and obtain the essential information of professional subnet; Accomplish and add flow process; After having taken over ongoing business,, transmit service message to leading with on node or the secondary node according to the business processing status information in the user data.
Concrete, whether it can be any time that new node adds, promptly set up irrelevant with professional subnet.The essential information of said professional subnet comprises: the algorithm that adopts in access node information and the professional subnet.Initiate node 93 sends to the subnet Boot Server and adds professional subnet request, also need send to the Boot Server of distributed p 2 p to add the distributed p 2 p request.Certainly, initiate node 93 both can add distributed p 2 p earlier, also can add professional subnet earlier, and the request of can also sending simultaneously adds distributed p 2 p and professional subnet.The idiographic flow that adds network is consistent with prior art, generally comprises: send to access node and join request, make up that local routing table, migration are responsible for storing data, other node transmission routing update request etc. in network.
Further; Said system also comprises: new business master is with node 94; Be used for when the business master who is managing business changes with node, said service message sent to former professional main with the continuation of the node in the professional subnet under the node 91 processing according to the business processing status information in the user data.
Concrete, the said business master who is managing business changes with node, specifically comprises: former professional mainly lost efficacy with node 91, or the node 93 that newly adds network is taken over former professional master and is handled with 91 pairs of business of node.Said new business master with node 94 with said service message; Send to former professional main with the continuation of the node in the professional subnet under the node 91 processing; Specifically comprise: after former professional master was lost efficacy with node 91; New business master obtains user data with node 94 from data memory node, according to the business processing status information that writes down in the user data said service message is sent to the service backup node and continues to handle; When the node 93 of new adding network take over former professional main handle with 91 pairs of business of node after; New business master obtains user data with node 94 from data memory node, according to the business processing status information that writes down in the user data said service message is sent to and formerly professionally mainly continues processing with node 91.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (10)
1. the method for service backup in the network that possesses heterogeneous nodes is characterized in that said method comprises:
Foundation is by the professional subnet that becomes with the attribute groups of nodes;
In the main process of business, the business state information that produces is backuped on other nodes of affiliated professional subnet, and business processing status information is recorded in the user data with the node processing business.
2. method according to claim 1; It is characterized in that; Said the business state information that produces is backuped under on other nodes of professional subnet, and after recording business processing status information in the user data, also comprise: when the business master who is managing business changes with node; New business master with node according to the business processing status information in the user data with said service message, send to and formerly professional main continue processing with the node in the professional subnet under the node.
3. based on the described method of claim 2, it is characterized in that the said business master who is managing business changes with node, specifically comprises: formerly professional main use node failure, or the node that newly adds network is taken over former professional leading and with node business handled;
Said new business master with node with said service message; Send to former professional main with the continuation of the node in the professional subnet under node processing; Specifically comprise: after former professional master is with node failure; New business master obtains user data with node from data memory node, according to the business processing status information that writes down in the said user data said service message is sent to the service backup node and continues to handle; When the node of new adding network take over former professional main with node business is handled after; New business master obtains user data with node from data memory node, said service message is sent to former professional main with node continuation processing according to the business processing status information that writes down in the said user data.
4. method according to claim 1 and 2 is characterized in that, the foundation of said professional subnet specifically is at distributed p 2 p, or in the separate subnet;
Said method also comprises: when new node adds fashionablely, send to add professional subnet request, obtain the essential information of professional subnet, accomplish and add flow process.
5. method according to claim 1 and 2 is characterized in that, said node with attribute is specially: to the identical services function, and the node that processing mode is identical; Or to identical services state, the node that business state information is identical.
6. method according to claim 1 and 2 is characterized in that, on other nodes of professional subnet, comprising under said business state information with generation backups to:
After the business master receives business request information with node; Obtain said user data from data memory node; When the user did not have ongoing business, said professional master selected professional secondary node with node from affiliated professional subnet, business state information is backuped on the said professional secondary node; And the business processing status information after will upgrading is saved in the user data; Wherein, said business processing status information comprises: whether the user has ongoing business, and professional master is with nodal information and secondary node information.
7. the system of service backup in the network that possesses heterogeneous nodes is characterized in that, comprises in the said system: the professional subnet that becomes with the attribute groups of nodes; Comprise in the said professional subnet: professional main with node and other nodes, wherein,
Saidly professional main use node, be used for, under the business state information of generation is backuped on other nodes of professional subnet, and business processing status information recorded in the user data in the process of managing business.
8. system according to claim 7; It is characterized in that; Said system also comprises: new business master uses node; Be used for when the business master who is managing business changes with node, said service message sent to former professional main with the continuation of the node in the professional subnet under node processing according to the business processing status information in the user data.
9. according to claim 7 or 8 described systems, it is characterized in that said system also comprises: initiate node; Be used for sending the professional subnet request of adding; Obtain the essential information of professional subnet, accomplish the adding flow process, after having taken over ongoing business; According to the business processing status information in the user data, transmit service message to leading with on node or the secondary node.
10. according to claim 7 or 8 described systems, it is characterized in that said node with attribute is specially: to the identical services function, the node that processing mode is identical; Or to identical services state, the node that business state information is identical.
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| CN201110155426.0A CN102821118B (en) | 2011-06-10 | 2011-06-10 | The method and system of service backup in a kind of network for possessing heterogeneous nodes |
| PCT/CN2012/076296 WO2012167710A1 (en) | 2011-06-10 | 2012-05-30 | Service backup method and system in network with heterogeneous nodes |
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| CN201110155426.0A CN102821118B (en) | 2011-06-10 | 2011-06-10 | The method and system of service backup in a kind of network for possessing heterogeneous nodes |
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Also Published As
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| CN102821118B (en) | 2017-11-28 |
| WO2012167710A1 (en) | 2012-12-13 |
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