CN102271366A - Message transmission method and device for Diameter node - Google Patents
Message transmission method and device for Diameter node Download PDFInfo
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- CN102271366A CN102271366A CN2011102505844A CN201110250584A CN102271366A CN 102271366 A CN102271366 A CN 102271366A CN 2011102505844 A CN2011102505844 A CN 2011102505844A CN 201110250584 A CN201110250584 A CN 201110250584A CN 102271366 A CN102271366 A CN 102271366A
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Abstract
The invention discloses a message transmission method for a Diameter node, which is used for realizing the load balancing of each network element supporting a Diameter interface under an SAE (System Architecture Evolution) framework so as to improve processing performance. The method comprises the following steps that: the Diameter node comprises a global processing unit and a plurality of business processing units, wherein when the business processing units initiate a session, the business processing units build link connection with the global processing unit and enters a peer end opening state; after the global processing unit and the business processing units build the link connection, the global processing unit builds the link connection with the peer end; after the global processing unit builds the link connection with the peer end, the global processing unit carries out capability negotiation with the peer end node and enters a peer end opening state; and the global processing unit distributes the business message for the business processing unit via the business processing unit and maintains a session between the service processing unit and the peer end node. The invention also discloses a device for realizing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to the method for message transmission and the device of Diameter node.
Background technology
Present SAE (System Architecture Evolution, System Architecture Evolution) framework supports each network element (or claiming the Diameter node) of Diameter interface only to comprise a Service Processing Unit down, and the Service Processing Unit of each network element can be divided into service process subsystem, Diameter (diameter) protocol stack (Strack), TCPtoSCTP (changing) module and software platform subsystem by level from TCP to SCTP.
The service process subsystem of Diameter node is used to realize the Business Processing correlation function.The Diameter stack is used to handle Diameter message, comprises peers include both (Peer) management, session management, transaction management.And between the service process subsystem on upper strata internal interface, adopt UDP (User Datagram Protocol, User Datagram Protoco (UDP)) transmission, with the TCPToSCTP intermodule of lower floor be standard Diameter interface, the host-host protocol that adopts is TCP (Transmission Control Protocol, a transmission control protocol).TCPto SCTP module is used for Diameter message by SCTP (Stream Control Transmission Protocol, SCTP) protocol transmission.The software platform subsystem is used for being responsible for inside story transmitting-receiving, memory management, timer management etc.
The Diameter stack is responsible for the foundation of bottom link, peers include both establishment of connection and maintenance, and be used for maintenance of session and things state etc.The example of a peers include both connection foundation is as follows, with MME (Mobility Management Entity Mobility Management Entity) is Diameter Client (client) end node, HSS (Home Subscriber Server, home signature user server) be example for Diameter Server (service) end node, referring to Fig. 1:
Step 101:MME determines that the Peer initial state is Closed (a closing) attitude after creating Peer.
Step 102:MME opens Peer, sends connection request.
Step 103:MME makes Peer enter Wait Conn ACK (waiting affirmation to be connected) attitude.
After step 104:HSS receives connection request, beam back to connect and confirm response (Connect ACK).
After step 105:MME receives and connects the affirmation response, send and confirm response (ACK).
After receiving, step 106:HSS enters Wait CER (Waiting Capacity is consulted request) attitude.
Step 107:MME sends and confirms to enter Wait CEA (Waiting Capacity negotiate response) attitude after the response.
Step 108:MME sends CER (capability negotiation request) message, comprises capabilities exchange information (as the Diameter application of protocol version, support, security mechanism etc.).
Step 109:HSS returns CEA (capability negotiation response), wherein carries this client information.
Step 110: after completing successfully capabilities exchange, the Peer between MME and HSS all becomes OPEN (opening) attitude.
Along with the increase of customer volume and traffic carrying capacity, the MME of single deployment can not satisfy the demands, and similarly supports other network element of Diameter interface that identical problem is also arranged with MME.
Summary of the invention
The embodiment of the invention provides a kind of method for message transmission and device of Diameter node, is used to realize supporting under the SAE framework the interior distributed deployment of each network element and the load balancing of Diameter interface, to improve handling property.
A kind of method for message transmission of Diameter node when being applied in Diameter node initiation connection, may further comprise the steps:
When supporting a Service Processing Unit in the network element of Diameter interface to start, this Service Processing Unit is set up link with overall processing unit and is connected, and enters peers include both and open the Open attitude;
Overall situation processing unit is set up link with peer node and is connected with after Service Processing Unit is set up link and is connected;
Overall situation processing unit carries out capability negotiation with after peer node is set up link and is connected with this peer node, and enters peers include both and open attitude.
A kind of method for message transmission of Diameter node may further comprise the steps:
The overall processing unit of Diameter node is set up link with peer node and is connected under the request of peer node;
Overall situation processing unit is set up link with each Service Processing Unit in the local terminal Diameter node and is connected with after peer node is set up link and is connected;
Service Processing Unit is set up and is entered peers include both after link connects and open attitude;
After the overall situation processing unit and peer node are set up link and be connected, under the request of peer node, carry out capability negotiation, and enter peers include both and open attitude with peer node.
A kind of Diameter node device comprises: overall processing unit and a plurality of Service Processing Unit; Wherein
Service Processing Unit is used for setting up link with overall processing unit and being connected when starting, and enters peers include both and open attitude;
Overall situation processing unit is used for setting up link with peer node and being connected with after Service Processing Unit is set up link and is connected; With after peer node is set up link and is connected, carry out capability negotiation with this peer node, and enter peers include both and open attitude.
A kind of Diameter node device comprises: overall processing unit and a plurality of Service Processing Unit; Wherein
Overall situation processing unit is used for setting up link with peer node under the request of peer node and is connected; And, set up link with each Service Processing Unit in the local terminal Diameter node and be connected with after peer node is set up link and is connected; And, with after peer node is set up link and is connected, under the request of peer node, carry out capability negotiation, and enter peers include both and open attitude with peer node;
Service Processing Unit is used to set up and enters peers include both after link connects and open attitude.
Diameter node in the embodiments of the invention adopts the distribution centralized deployment, and it comprises overall processing unit and a plurality of Service Processing Unit.Realize peers include both link management and message distribution by overall processing unit.Share load by a plurality of Service Processing Units, to improve handling property.When local terminal Diameter node was initiated business, initiating professional Service Processing Unit need connect with overall processing unit, and enters the Open attitude in the present embodiment.Connect by overall processing unit and peer node, and enter the Open attitude, thereby realize and being connected of peer node.
Description of drawings
Fig. 1 is that peers include both connects the method flow diagram of setting up in the prior art;
Fig. 2 is that local terminal Diameter node initiates to connect the main method flow chart of setting up in the embodiments of the invention;
Fig. 3 is that local terminal Diameter node initiates to connect the detailed method flow chart of setting up in the embodiments of the invention;
Fig. 4 is the method flow diagram that local terminal Diameter node is initiated Business Processing in the embodiments of the invention;
Fig. 5 A is that peer node initiates to connect the main method flow chart of setting up in the embodiments of the invention;
Fig. 5 B is that peer node initiates to connect the detailed method flow chart of setting up in the embodiments of the invention;
Fig. 6 is the method flow diagram that peer node is initiated Business Processing in the embodiments of the invention;
Fig. 7 is the structure chart of Diameter node in the embodiments of the invention;
Fig. 8 is the structure chart of overall processing unit in the embodiments of the invention;
Fig. 9 is the structure chart of Service Processing Unit in the embodiments of the invention.
Embodiment
Diameter node in the embodiment of the invention adopts the distribution centralized deployment, and it comprises overall processing unit and a plurality of Service Processing Unit.Realize peers include both link management and message distribution by overall processing unit.Share load by a plurality of Service Processing Units, to improve handling property.When the Diameter node started, the Service Processing Unit of startup need connect with overall processing unit in the present embodiment, and entered the Open attitude.Connect by overall processing unit and peer node, and enter the Open attitude, thereby realize being connected of local terminal Diameter node and peer node.Diameter node in the present embodiment can be the network element that MME (Mobility Management Entity), PCRF (policy control charging regulation function entity) in the SAE framework or PGW (grouped data network gateway) etc. support the Diameter interface.
Referring to Fig. 2, the main method flow process that local terminal Diameter node initiation connection is set up in the present embodiment is as follows:
When Service Processing Unit in the step 201:Diameter node started, this Service Processing Unit was set up link with overall processing unit and is connected, and entered peers include both and open (Open) attitude.
Step 202: overall processing unit is set up link with peer node and is connected with after Service Processing Unit is set up link and is connected.
Step 203: overall processing unit carries out capability negotiation with after peer node is set up link and is connected with this peer node, and enters peers include both and open attitude.
Service Processing Unit is connected to TCP with link that overall processing unit is set up and is connected in the present embodiment.Overall situation processing unit is connected to SCTP at the link with peer node foundation and is connected.
Referring to Fig. 3, the detailed method flow process that local terminal Diameter node initiation connection is set up in the present embodiment is as follows:
Step 301: Service Processing Unit sends the TCP request for building link to overall processing unit.
Step 302: after overall processing unit is received the TCP request for building link, return TCP link establishment response.
By step 301 and 302, overall processing unit has been set up TCP with Service Processing Unit and has been connected.
Step 303: overall processing unit sends the SCTP request for building link to peer node.
Step 304: overall processing unit receives peer node and returns SCTP link establishment response.
By step 303 and 304, overall processing unit has been set up SCTP with peer node and has been connected.
Step 305: overall processing unit sends SCTP to Service Processing Unit and sets up response.
Step 306: Service Processing Unit enters peers include both Open attitude after receiving SCTP link establishment response.
Step 307: overall processing unit sends CER (capability negotiation request) message to peer node.
Step 308: overall processing unit receives CEA (capability negotiation response) message that peer node returns, and enters peers include both Open attitude.
By step 307 and 308, overall processing unit and peer node have carried out capability negotiation.
After connecting, just can carry out Business Processing, below the Business Processing process is introduced.
Referring to Fig. 4, the method flow of local terminal Diameter node initiation Business Processing is as follows in the present embodiment:
Step 401: during the Service Processing Unit initiation session, send the session service request message to overall processing unit.Wherein, the session service request message is an intra-office Diameter request message.Carry the sign of Service Processing Unit in the request message.
Step 402: after overall processing unit is received the session service request message, request message is issued peer node by the peers include both link of having set up.
Step 403: overall processing unit receives the session service response message that peer node sends.
Step 404: overall processing unit obtains the sign of Service Processing Unit from the session service response message.Wherein, the session service response message is an interoffice Diameter response message.
Step 405: overall processing unit is transmitted to the corresponding service processing unit according to the sign of the Service Processing Unit of determining with the session service response message.
Diameter is an application layer protocol, on SCTP and Transmission Control Protocol.Comprise peers include both connection, user conversation, Diameter message etc.Diameter message is mainly carried information such as authentication, authentication, charging.One or more pairs of Diameter message are formed a session, and the SessionId in the Diameter message (session identification) field is identical in a session.Interoffice Diameter message is the message of two equipment rooms, transmits by SCTP.Intra-office Diameter message is the message between Service Processing Unit and overall processing unit in the equipment, transmits by TCP.
Referring to Fig. 5 A, the main method flow process that peer node initiation connection is set up in the present embodiment is as follows:
Step 501: the overall processing unit of local terminal Diameter node is set up link with peer node and is connected under the request of peer node.
Step 502: overall processing unit is set up link with each Service Processing Unit in the local terminal Diameter node and is connected with after peer node is set up link and is connected.
Step 503: Service Processing Unit is set up and is entered peers include both after link connects and open attitude.
Step 504: after overall processing unit and peer node are set up link and be connected, under the request of peer node, carry out capability negotiation, and enter peers include both and open attitude with peer node.
Referring to Fig. 5 B, the main method flow process that peer node initiation connection is set up in the present embodiment is as follows:
Step 511: the overall processing unit of local terminal Diameter node receives the SCTP request for building link that peer node sends.
Step 512: after overall processing unit is received the SCTP request for building link, return SCTP link establishment response.Overall situation processing unit has realized that setting up SCTP with peer node is connected.
Step 513: overall processing unit sends the TCP request for building link to Service Processing Unit.
Step 514: after Service Processing Unit is received the TCP request for building link, return TCP link establishment response to overall processing unit.Service Processing Unit is adjourned peers include both and is opened attitude simultaneously.Overall situation processing unit has realized that setting up TCP with Service Processing Unit is connected.
Step 515: overall processing unit receives the message for requesting capability negotiation that the opposite end network element sends.
Step 516: after overall processing unit was received message for requesting capability negotiation, resettability was consulted the request response, adjourns peers include both simultaneously and opens attitude.
Referring to Fig. 6, the method flow of peer node initiation Business Processing is as follows in the present embodiment:
Step 601: overall processing unit receives the business request information of the interoffice Diameter type of peer node transmission, and obtains service identification information from this business request information.
Step 602: overall processing unit is determined the identification information of Service Processing Unit according to the corresponding relation of the identification information of service identification information inquiry business identification information that obtains and Service Processing Unit.
Step 603: overall processing unit is according to the identification information of the Service Processing Unit of determining, the business request information of Diameter type is transmitted to the corresponding service processing unit.
Step 604: Service Processing Unit is managed business according to business request information.
Step 605: Service Processing Unit sends the service response message of Diameter type to overall processing unit after Business Processing finishes.
Step 606: the service response message of overall processing unit Diameter type between the peer node forwarding office.
Before Service Processing Unit and overall processing unit are set up link and are connected, also need to register the sign of this Service Processing Unit to overall processing unit, after the link establishment, when Service Processing Unit inserts new business, need to overall processing unit registration service identification, overall processing unit needs the corresponding relation of maintenance service sign and Service Processing Unit sign.So that overall processing unit is realized searching of Service Processing Unit sign in step 602.
All message in the flow process shown in Figure 6 are conversation message.
Present embodiment mainly is the improvement to the Diameter node, and internal structure and the function to the Diameter node is introduced below.
Referring to Fig. 7, the Diameter node comprises overall processing unit 701 and a plurality of Service Processing Unit 702 in the present embodiment.A plurality of Service Processing Units 702 all can be connected with overall processing unit 701.But the overall situation processing unit 701 and a plurality of Service Processing Unit 702 all can be realized by performer, as FPGA (programmable gate array) etc.
Service Processing Unit 702 is used to manage business, and when starting, sets up link with overall processing unit and be connected, and enters peers include both and open the Open attitude.Concrete, Service Processing Unit 702 sends the TCP request for building link to overall processing unit.After overall situation processing unit 701 is received the TCP request for building link, return TCP link establishment response.
Overall situation processing unit 701 is used for setting up link with the peer node of network element and being connected with after Service Processing Unit is set up link and is connected; With after peer node is set up link and is connected, carry out capability negotiation with this peer node, and enter peers include both and open attitude.Concrete, overall processing unit 701 sends the SCTP request for building link to peer node; And the reception peer node returns SCTP link establishment response.
Preferable, Service Processing Unit 702 is connected to TCP with the link that overall processing unit 701 is set up and is connected.Overall situation processing unit 701 is connected to SCTP at the link with peer node foundation and is connected.
When Service Processing Unit 702 also is used for initiation session, send the session service request message to overall processing unit;
The session service request message that overall situation processing unit also is used for receiving is transmitted to peer node; Receive the session service response message that peer node sends, obtain the sign of the Service Processing Unit that carries in the session service response message; According to the sign of the Service Processing Unit that obtains, the session service response message is transmitted to the corresponding service processing unit.
The session service request message that Service Processing Unit 702 sends is an intra-office Diameter request message; The session service response message that overall situation processing unit 701 receives is an interoffice Diameter response message.
When also being used to start, registers Service Processing Unit 702 sign of this Service Processing Unit to overall processing unit.
Service Processing Unit 702 comprises Service Processing Module 7021, Diameter stack 7022 and software platform module 7023 in the present embodiment, referring to shown in Figure 9.
Service Processing Module 7021 is used to manage business.
Diameter stack 7022 is used for the service conversation management, generates and handle the message of Diameter type.
Software platform module 7023 is the platform of Diameter stack 7022 operations, and support is communicated by letter with overall processing unit 701.
After Diameter stack 7022 and Diameter stack 7011 start, all needing to set up TCP with epcglb module 7012 is connected, Diameter stack 7022 sends the TCP request for building link to epcglb module 7012, Diameter stack 7022 receives the TCP link establishment response that epcglb module 7012 is returned, and realizes link establishment.Simultaneously, Diameter stack 7022 enters the Open attitude.
After epcglb module 7012 is set up link with Diameter stack 7022 and Diameter stack 7011, setting up SCTP with peer node is connected, send the SCTP request for building link to peer node, and receive that peer node returns send SCTP link establishment response, realize being connected with the link of peer node.
After consulting successfully, Service Processing Module 7021 initiation session send the session service request message by Diameter stack 7022 and epcglb module 7012 to peer node.Epcglb module 7012 can obtain the sign of Service Processing Unit 702 from the SessionId the session service response message.SessionId form in the message is as＜DiameterIdentity 〉;＜high 32bits 〉;＜low 32bits〉[;＜optional value 〉], wherein DiameterIdentity represents the initiator of request message, middle 64bit can be designated timestamp or random sequence,＜optional value〉given content as required.In the present embodiment,＜optional value〉part is used for representing the sign of Service Processing Unit, length can be nybble.The example of a message is as follows:
mme0.datangmobile.com；1876543210；523；1564
Wherein 1564 is the sign of a Service Processing Unit 702 in the Diameter node, and the epcglb module 7012 on the overall processing unit 701 is issued corresponding service processing unit 702 according to this sign with this message after receiving the message of peer node transmission.
Follow-up link detecting message DWR (request of equipment house dog) and DWA (response of equipment house dog) are sent by the Diameter stack that is deployed on the overall processing unit.
When peer node initiated to connect, overall processing unit 701 was used for setting up link with peer node under the request of peer node and is connected; And, set up link with each Service Processing Unit 702 in the local terminal Diameter node and be connected with after peer node is set up link and is connected; And, with after peer node is set up link and is connected, under the request of peer node, carry out capability negotiation, and enter peers include both and open attitude with peer node.Service Processing Unit 702 is used to set up and enters peers include both after link connects and open attitude.
Wherein, overall processing unit is connected being connected to SCTP SCTP with link that peer node is set up.Service Processing Unit is connected to transmission control protocol TCP with the link that overall processing unit is set up and is connected.
When peer node was initiated business, overall processing unit 701 was used to receive the business request information that peer node sends, and obtains service identification information from this business request information; According to the corresponding relation of the identification information of service identification information inquiry business identification information that obtains and Service Processing Unit, determine the identification information of Service Processing Unit; Identification information according to the Service Processing Unit of determining is transmitted to the corresponding service processing unit with the business request information of receiving.
Service Processing Unit 702 is used for managing business according to business request information after receiving business request information, after Business Processing finishes, sends service response message by overall processing unit 701 to peer node.
The business request information that peer node sends in the present embodiment is an intra-office Diameter type.The business request information that overall situation processing unit is transmitted is an interoffice Diameter type.
If epcglb module 7012 does not inquire the identification information of Service Processing Unit, then can manage business according to Service Processing Unit 702 of load balancing policy selection.The load balancing strategy is the lightest etc. as load.
Diameter node in the embodiments of the invention adopts the distribution centralized deployment, and it comprises overall processing unit and a plurality of Service Processing Unit.Realize peers include both link management and message distribution by overall processing unit.Share load by a plurality of Service Processing Units, to improve handling property.When this end node was initiated business, initiating professional Service Processing Unit need connect with overall processing unit, and enters the Open attitude in the present embodiment.Connect by overall processing unit and peer node, and enter the Open attitude, thereby realize being connected of this end node and peer node.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1. the method for message transmission of a diameter Diameter node is characterized in that, the Diameter node comprises an overall processing unit and a plurality of Service Processing Unit, said method comprising the steps of:
When Service Processing Unit in the Diameter node started, this Service Processing Unit was set up link with overall processing unit and is connected, and entered peers include both and open attitude;
Overall situation processing unit is set up link with the peer node of Diameter node and is connected with after Service Processing Unit is set up link and is connected;
Overall situation processing unit carries out capability negotiation with after the peer node of Diameter node is set up link and is connected with this peer node, enters peers include both afterwards and opens attitude.
2. the method for claim 1 is characterized in that, Service Processing Unit is connected to transmission control protocol TCP with the link that overall processing unit is set up and is connected; Overall situation processing unit is connected being connected to SCTP SCTP with link that the peer node of Diameter node is set up.
3. the method for claim 1 is characterized in that, overall processing unit enters after peers include both opens attitude, also comprises step:
During the Service Processing Unit initiation session, send session service request message, the sign of in request, carrying this Service Processing Unit to overall processing unit;
Overall situation processing unit is transmitted to peer node with the session service request message of receiving;
Overall situation processing unit receives the session service response message that peer node sends, and obtains the sign of Service Processing Unit from response message;
Overall situation processing unit is transmitted to the corresponding service processing unit according to the sign of the Service Processing Unit that obtains with the session service response message.
4. method as claimed in claim 3 is characterized in that, the session service request message that Service Processing Unit sends is an intra-office Diameter request message; The session service response message that overall situation processing unit receives is an interoffice Diameter response message.
5. method as claimed in claim 3 is characterized in that, before Service Processing Unit and overall processing unit were set up link and be connected, also comprise step: Service Processing Unit was registered the sign of this Service Processing Unit to overall processing unit.
6. the method for message transmission of a Diameter node is characterized in that, may further comprise the steps:
The overall processing unit of Diameter node is set up link with peer node and is connected under the request of peer node;
Overall situation processing unit is set up link with each Service Processing Unit in the local terminal Diameter node and is connected with after peer node is set up link and is connected;
Service Processing Unit is set up and is entered peers include both after link connects and open attitude;
After the overall situation processing unit and peer node are set up link and be connected, under the request of peer node, carry out capability negotiation, enter peers include both afterwards and open attitude with peer node.
7. method as claimed in claim 6 is characterized in that, overall processing unit is connected being connected to SCTP SCTP with link that the peer node of Diameter node is set up; Service Processing Unit is connected to transmission control protocol TCP with the link that overall processing unit is set up and is connected.
8. method as claimed in claim 6 is characterized in that, overall processing unit enters after peers include both opens attitude, also comprises step:
Overall processing unit in the Diameter node receives the business request information that peer node sends, and obtains service identification information from this business request information;
Overall situation processing unit is determined the identification information of Service Processing Unit according to the corresponding relation of the identification information of service identification information inquiry business identification information that obtains and Service Processing Unit;
Overall situation processing unit is transmitted to the corresponding service processing unit according to the identification information of the Service Processing Unit of determining with the business request information of receiving.
9. method as claimed in claim 8, it is characterized in that, after Service Processing Unit is received the business request information of peer node, also comprise step: Service Processing Unit is managed business according to business request information, after Business Processing finishes, send service response message to peer node by overall processing unit.
10. method as claimed in claim 8 is characterized in that, the business request information that peer node sends is the Diameter type;
The business request information that overall situation processing unit is transmitted is an interoffice Diameter type.
11. a Diameter node device is characterized in that, comprising: overall processing unit and a plurality of Service Processing Unit; Wherein
Service Processing Unit is used for setting up link with overall processing unit and being connected when starting, and enters peers include both and open attitude;
Overall situation processing unit is used for setting up link with peer node and being connected with after Service Processing Unit is set up link and is connected; With after peer node is set up link and is connected, carry out capability negotiation with this peer node, and enter peers include both and open attitude.
12. Diameter node device as claimed in claim 11 is characterized in that, Service Processing Unit is connected to transmission control protocol TCP with the link that overall processing unit is set up and is connected; Overall situation processing unit is connected to SCTP SCTP at the link with peer node foundation and is connected.
13. Diameter node device as claimed in claim 11 is characterized in that, when Service Processing Unit also is used for initiation session, sends session service request message, the sign of carrying this processing unit in request message to overall processing unit;
The session service request message that overall situation processing unit also is used for receiving is transmitted to peer node; Receive the session service response message that peer node sends, obtain the sign of the Service Processing Unit that carries in the session service response message; According to the sign of the Service Processing Unit that obtains, the session service response message is transmitted to the corresponding service processing unit.
14. Diameter node device as claimed in claim 13 is characterized in that, the session service request message that Service Processing Unit sends is an intra-office Diameter request message; The session service response message that overall situation processing unit receives is an interoffice Diameter response message.
15. Diameter node device as claimed in claim 13 is characterized in that Service Processing Unit also is used for registering to overall processing unit the sign of this Service Processing Unit.
16. a Diameter node device is characterized in that, comprising: overall processing unit and a plurality of Service Processing Unit; Wherein
Overall situation processing unit is used for setting up link with peer node under the request of peer node and is connected; And, set up link with each Service Processing Unit in the local terminal Diameter node and be connected with after peer node is set up link and is connected; And, with after peer node is set up link and is connected, under the request of peer node, carry out capability negotiation with peer node, enter peers include both afterwards and open attitude;
Service Processing Unit is used to set up and enters peers include both after link connects and open attitude.
17. Diameter node device as claimed in claim 16 is characterized in that, overall processing unit is connected being connected to SCTP SCTP with link that the peer node of Diameter node is set up; Service Processing Unit is connected to transmission control protocol TCP with the link that overall processing unit is set up and is connected.
18. Diameter node device as claimed in claim 16 is characterized in that, overall processing unit also is used to receive the business request information that peer node sends, and obtains service identification information from this business request information; According to the corresponding relation of the identification information of service identification information inquiry business identification information that obtains and Service Processing Unit, determine the identification information of Service Processing Unit; Identification information according to the Service Processing Unit of determining is transmitted to the corresponding service processing unit with the business request information of receiving.
19. Diameter node device as claimed in claim 18, it is characterized in that, Service Processing Unit is used for after receiving the business request information of peer node, manage business according to business request information, after Business Processing finishes, send service response message to peer node by overall processing unit.
20. Diameter node device as claimed in claim 18 is characterized in that, the business request information that peer node sends is an intra-office Diameter type;
The business request information that overall situation processing unit is transmitted is an interoffice Diameter type.
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Cited By (6)
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| CN103544292A (en) * | 2013-10-29 | 2014-01-29 | 大唐移动通信设备有限公司 | Diameter message processing method and device based on HASH table |
| CN103973580A (en) * | 2014-04-14 | 2014-08-06 | 南京第五十五所技术开发有限公司 | Method for reducing transmission quantity and increasing diameter data transmission capability |
| CN104335544A (en) * | 2012-05-21 | 2015-02-04 | 瑞典爱立信有限公司 | Method and apparatus for handling p-cscf failure and restoring connectivity |
| CN105591831A (en) * | 2014-10-24 | 2016-05-18 | 中兴通讯股份有限公司 | Service capability detection method and apparatus |
| CN107733669A (en) * | 2016-08-11 | 2018-02-23 | 中兴通讯股份有限公司 | SNMP server management methods and system based on request ID |
| CN111757389A (en) * | 2019-03-29 | 2020-10-09 | 大唐移动通信设备有限公司 | Communication device and method |
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| CN104335544A (en) * | 2012-05-21 | 2015-02-04 | 瑞典爱立信有限公司 | Method and apparatus for handling p-cscf failure and restoring connectivity |
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| CN107733669A (en) * | 2016-08-11 | 2018-02-23 | 中兴通讯股份有限公司 | SNMP server management methods and system based on request ID |
| CN111757389A (en) * | 2019-03-29 | 2020-10-09 | 大唐移动通信设备有限公司 | Communication device and method |
| CN111757389B (en) * | 2019-03-29 | 2022-03-25 | 大唐移动通信设备有限公司 | Communication device and method |
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Application publication date: 20111207 |