CN101184047B - Message routing method, equipment and system - Google Patents
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Abstract
The invention discloses a method of message route, which is applied to the IP network controlling the SUA protocol of an adaptation layer for part of users based on signaling connection, the invention solves the problem of the message route that the device with more than two nodes can not correctly realize the SUA protocol when sharing a signaling point code. The method comprises that the following steps: the SUA message to be processed is obtained; the subsystem number of the route indicating information in the SUA protocol is determined not to be the subsystem number of the current node device; and the combination of the signaling point code corresponding to the current node device and arriving the next hop node device of the target node device and the subsystem number is determined according to the routing configuration information configured by the current node device, the SUA message is sent to the corresponding next hop node device according to the combination of the signaling point code of the next hop node device and the subsystem number. Simultaneously, the invention also discloses a message route system and device.
Description
Technical field
The present invention relates to communication technical field, relate to a kind of method, equipment and system that realizes the message route especially.
Background technology
Signaling connection control part customer message adaptation layer protocol (Signalling Connection Control PartUser Adaptation Layer; SUA) be SCCP (Signalling Connection Control Part, customer adaptation layer protocol SCCP) in the original No.7 signaling family.The SUA agreement is for upper-layer user's agreement; Its performance complete class be same as SCCP, make the upper-layer protocol user of former SCCP not change, but and translation at Internet protocol (Internet protocol; IP) use in the net; And some concrete realizations of SUA agreement, like flow processs such as SCLC/SCOC/SCRC, all similar with SCCP.
Respectively SCCP and SUA agreement being carried out some below briefly introduces.
SCCP provides towards the data transmission service end to end of connection and connectionless-mode the upper-layer protocol user.SCCP belongs to network and transport layer functionality level in the network hierarchy structure; The calling and called address that SCCP can provide according to the user; The function that cooperates No.7 signaling network MTP message transfer part, the network routing addressing function of completion SCCP between signaling node, SCCP also can connect for the upper-layer user simultaneously; Or need not to connect, and between signaling node transmitting user data.
One of function that network layer protocol is mainly accomplished is exactly the route selection function; Like the IP agreement is exactly according to source IP address in the IP message and purpose IP address information; Jump through the ip router in the network one and to be routed to the final destination; On each ip router node, the IP address information of all grasping according to local router is selected the address of next jumping and IP message is forwarded to next jumping.SCCP network routing addressing function cardinal principle and this mode of IP are very similar; Just SCCP is according to the calling and called address in the SCCP message; Parsing finds out next and jumps destination address; The key message of SCCP primary circuit routing routing is the Destination Point Code in the calling/called information (DPC), Sub-System Number (SSN) and/or global title (GT).
Introduce the key message of SCCP routing addressing below:
1) Destination Point Code (DPC): No.7 signaling network network element address of node sign, similar IP address, the coding of 14 or 24 bit lengths normally, the address of certain network element device of sign in certain specific No.7 network;
2) Sub-System Number (SSN): the logical number of the upper-layer service subsystem of SCCP service; SCCP can provide service for multiple upper-layer user simultaneously; As can be wireless MAP, BSSAP, RANAP etc.; Also can be business such as intelligent network INAP, CAP, so in order to distinguish these professional SSN Sub-System Number signs of having introduced;
3) global title (GT): a kind of geocoding form can combine the DPC home address with GT, and then guarantee the uniqueness of GT sign indicating number in network;
As shown in Figure 1, in the No.7 network for the SCCP signaling node can abstractly be: originating point, relay point, point of destination.SCCP message route selection is to begin from originating point, through 0 or a plurality of relay point routing addressing to final SCCP point of destination.
Can carry DPC, SSN, GT information in the SCCP called address, can draw following principle by the agreement regulation: the called address information in each node device in the route results of SCCP message must comprise the DPC of next-hop node equipment; Must comprise SSN in the called address information of SCCP message in the route results of destination node equipment.And, comprise in the route results of node device: DPC+SSN, DPC+GT, DPC+GT+SSN.
When present node equipment carries out route selection to SCCP message,, need carry out the GT translation if during according to the GT route; Then route results possibly comprise SSN or new GT; If obtain new GT, then when next-hop node equipment carries out Route Selection, need carry out the GT translation equally; If route results comprises DPC and SSN, then show the point of destination of present node equipment for this SCCP message.Also just saying, is during with the SSN addressing if node device is received the called address of SCCP message, shows that this node device is the destination of this SCCP message.
In traditional No.7 signaling network, be the route switching function of accomplishing SCCP message by SCCP layer and MTP3 protocol layer, make SCCP message can finally arrive destination node.Wherein, the SCCP layer carries out GT translation according to the GT sign indicating number in the SCCP message, finds the signaling point code of destination node equipment according to translation result, and with the destination node equipment signaling point coding that translates and SCCP transmission of messages to the MTP3 protocol layer; The MTP3 protocol layer is selected an available path that arrives this destination node equipment according to the destination signaling point sign indicating number of next-hop node equipment, and utilizes the path of selecting that this SCCP message is sent to destination node equipment.
For example:, after the last SCCP layer of signalling point AAA carries out the GT translation to SCCP message, obtain the signalling point CCC of next-hop node equipment referring to shown in Figure 3; The SCCP layer is transferred to the MTP3 protocol layer with the signaling point code CCC of SCCP message and next-hop node equipment, and the MTP3 protocol layer is selected a path through signalling point BBB arrival signalling point CCC, and message is passed to the MTP3 agreement on the signalling point BBB; This node device of MTP3 protocol discovery on the signalling point BBB is not the final purpose point of this SCCP message, therefore, selects a route that arrives signalling point CCC, and transfers this SCCP message to next-hop node, up to signalling point CCC; After signalling point CCC received SCCP message, the MTP3 protocol discovery on the signalling point CCC self node was the destination node equipment of this SCCP message, therefore, this SCCP message is uploaded to SCCP handles.
In addition, along with the application and the popularization of Softswitch technology, the conventional telecommunications net just develops towards the direction with the IP network intercommunication.Wherein, the problem of most critical is that can the No.7 signaling that has been used widely transmission efficiently and reliably in IP network.At present, IETF has proposed the adapting protocol of SCCP layer, that is: SUA agreement, and so that stronger map addresses and routing function to be provided, and simpler management function.
The SUA agreement is similar to SCCP to the function class that the upper-layer user provides, and different is that the transmission of SUA lower floor is based on the SCTP/IP agreement.And the routing addressing information of SUA agreement can also use IP address and Hostname to carry out addressing except that comprising DPC/SSN/GT.Like this, for SCCP, the SUA agreement has increased route results type: IP+SSN, IP+GT, IP+GT+SSN, hostname.
Referring to shown in Figure 2, in IP network, though the SUA agreement to upper-layer user's agreement, is equal to SCCP like the performance of MAP/CAP/RANAP etc., the lower-layer protocols of SUA agreement is SCTP, lacks the network routing protocol that is similar to MTP3.
And in the IP network evolution process, for avoiding changing the large-scale overlapping investment that each network element device causes on a large scale, what each operator generally adopted is the mode of progressively replacing each network element device of existing network at traditional No.7 telecommunications network.Like this, application networking situation as shown in Figure 4 possibly appear.
As shown in Figure 4, the A node is base station controller (BSC), and its original equipment movements control center (MSC) that inserts has replaced to B, C and D node.Interconnected between each node of A, B, C and D through the SUA agreement.Wherein, B and C node are WMG (MG), are responsible for the access of signaling and Media Stream, and the D node is Media Gateway Controller (MGC), responsible signaling control, and the continuing of Media Stream.Because MSC only takies a signaling point code in the practical application, so during with MG and MGC replacement MSC, the signaling point code that MG is identical with the MGC hold facility.
There is the SCTP coupling to the B node in the A node, and there is the SCTP coupling to the D node in the B node; There is the SCTP coupling to the C node in the A node, and there is the SCTP coupling to the D node in the C node.Wherein, the signaling point code of A node is AAA, and the signaling point code of B, C and D node is BBB, and subsystem SSN1 and SSN2 are positioned on the B node, and subsystem SSN3 and SSN4 are positioned on the C node, and subsystem SSN5 and SSN6 are positioned on the D node.
The inventor in serious analysis, scrutinize the back and find; In the networking of similar Fig. 4; Because B, C, D have identical DPC, and, lack the network routing protocol that is similar to MTP3 because the lower-layer protocols of SUA agreement is SCTP; If the SUA agreement is still transmitted SUA message according to the mode of SCCP, the SUA message of A node can't arrive the D node through B or C node forever.That is to say; In a communication system, if the shared signaling point code of at least two equipment wherein, if same processing mode according to SCCP; The route results of in message, indicating is the SSN mode; But this SSN does not belong to the SSN of this node device, then message is abandoned, and therefore possibly can't correctly realize the message route of SUA agreement.
Summary of the invention
The embodiment of the invention is to provide a kind of message route method, equipment and system, can solve when the shared signaling point code of plural node device is arranged in communication system, can't correctly realize the problem of the message route of SUA agreement.
A kind of message route method that the embodiment of the invention provides is applied to comprise based in the signaling connection control part customer message adaptation layer SUA protocol of I P net:
Obtain pending SUA message;
Confirm that the Sub-System Number in the route indication information in the said SUA message does not belong to the Sub-System Number of present node equipment self; And,
Routing configuration information according to the present node equipment disposition; Confirm the signaling point code of next-hop node equipment corresponding with present node equipment, that arrive destination node equipment and the combination of Sub-System Number; And, said SUA message is sent to corresponding next-hop node equipment according to the combination of the signaling point code and the Sub-System Number of said next-hop node equipment.
The method of a kind of message route that the embodiment of the invention provides is applied to based in the signaling connection control part customer message adaptation layer protocol SUA protocol of I P net, and this method comprises:
Obtain pending SUA message;
Judge whether the Sub-System Number in the route indication information in the said SUA message belongs to the Sub-System Number of present node self;
If do not belong to; Routing configuration information according to the present node equipment disposition; Confirm the signaling point code of next-hop node equipment corresponding with present node equipment, that arrive destination node equipment and the combination of Sub-System Number; And, said SUA message is sent to corresponding next-hop node equipment according to the combination of the signaling point code and the Sub-System Number of said next-hop node equipment;
If the combination of signaling point code of signaling point code in the said route indication information and the combination and present node of Sub-System Number self and Sub-System Number is identical, this SUA message is sent to the last layer protocol processes.
The system of a kind of message route that the embodiment of the invention provides, this system comprises: at least two node devices, wherein,
Each node device; When being used for that Sub-System Number does not belong to the Sub-System Number of configuration in the route indication information of the pending SUA message that obtains; Routing configuration information according to configuration; Confirm to arrive the signaling point code of destination node equipment and the combination of Sub-System Number, and, said SUA message is sent to next-hop node equipment according to the combination of the signaling point code and the Sub-System Number of said next-hop node equipment; If the signaling point code in the said route indication information and the combination of Sub-System Number are identical with the combination of self signaling point code and Sub-System Number, this SUA message is sent to the last layer protocol processes.
A kind of node device that the embodiment of the invention provides comprises:
Confirm the unit, be used for confirming that Sub-System Number in the route indication information of pending SUA message does not belong to the Sub-System Number of configuration;
The routing iinformation acquiring unit is used for when said route indication information Sub-System Number does not belong to the Sub-System Number of configuration, according to the routing configuration information of configuration, and the signaling point code of the next-hop node equipment of definite arrival destination node equipment and the combination of Sub-System Number;
Transmitting element is used for the combination according to the signaling point code and the Sub-System Number of said next-hop node equipment, and said SUA message is sent to corresponding next-hop node equipment.
In embodiments of the present invention; When comprising promising SSN, judge whether the combination of SSN and signaling point code of combination and self node device of SSN and signaling point code of destination node equipment is identical, under identical situation for the route indication information in the SUA message; Think certainly as destination node equipment; Otherwise,, this SUA message is sent to next-hop node equipment according to the SSN of the destination node equipment of preserving and the SSN and the signaling point code of the pairing next-hop node equipment of signaling point code; Thereby solve under the situation of shared signaling point code; Present node equipment can't be sent to SUA message the problem of destination node, avoids SUA message to be dropped, thereby has avoided professional interruption.
Description of drawings
Fig. 1 is the sketch map of SCCP signaling node in the existing No.7 network;
Fig. 2 is the existing position view of SUA agreement in IP network;
Fig. 3 is SCCP and a MTP3 cooperation completion routing procedure sketch map in traditional No.7 signaling network;
Fig. 4 is the interconnect model sketch map of SUA agreement in IP network;
Fig. 5 introduces the route sketch map of path notion for the embodiment of the invention;
Fig. 6 is the schematic flow sheet of embodiment of the invention method;
Fig. 7 is the structural representation of the embodiment of the invention one node device;
Fig. 8 is the structural representation of another node device of the embodiment of the invention.
Embodiment
In embodiments of the present invention, in based on SUA protocol of I P net, obtain pending SUA message; Confirm whether the Sub-System Number in the route indication information in the said SUA message belongs to the Sub-System Number of present node equipment self; If do not belong to; Routing configuration information according to the present node equipment disposition; Confirm the signaling point code of the arrival destination node equipment corresponding and the combination of Sub-System Number, and, said SUA message is sent to next-hop node equipment according to the combination of the signaling point code and the Sub-System Number of said next-hop node equipment with present node equipment.If the signaling point code in the said route indication information and the combination of Sub-System Number are identical with the combination of self signaling point code and Sub-System Number, this SUA message is sent to the last layer protocol processes.
Said pending SUA message can be to receive the SUA message that upper-layer protocol issues, and also can be the SUA message from a last hop node equipment that receives.
Said routing configuration information can comprise: the signaling point code of the node device relevant with present node and the combination of Sub-System Number and present node equipment arrive first corresponding relation between the combination of signaling point code and Sub-System Number of the next-hop node equipment in the every paths of said interdependent node equipment.The said node device relevant with present node is meant other node device except that present node; When Sub-System Number does not belong to the Sub-System Number of present node equipment in the route indication information in SUA message; Need be according to combined index first corresponding relation of signaling point code in the route indication information in the SUA message and Sub-System Number; The signaling point code of the node device that soon the combination conduct of signaling point code in the route indication information in the SUA message and Sub-System Number will be relevant with present node and combined index first corresponding relation of Sub-System Number obtain present node equipment and arrive the signaling point code of the next-hop node equipment in the every paths of said interdependent node equipment and the combination of Sub-System Number.
And, when equipment room adopts the SUA agreement to carry out networking, introduce the notion in path.The path is meant that message connects through the multistage of several intermediate nodes until between destination node from source node, and the starting point of every section connection is source node or intermediate node, and terminal point is intermediate node or destination node.As: referring to shown in Figure 5, being path 1 through the B node to the D node from the A node, is path 2 to process C node to the D node from the A node.And the unique identification of discerning each node device is signaling point code and Sub-System Number.
Therefore; Said routing configuration information can utilize following two corresponding relations to realize; That is: the combination of the signaling point code of the node device relevant with present node and Sub-System Number and present node equipment arrive the corresponding relation of the ID of trace route path of said interdependent node equipment, and the corresponding relation between the combination of the signaling point code of ID of trace route path and next-hop node equipment and Sub-System Number.Like this; The signaling point code of the node device that basis is relevant with present node earlier and the combination of Sub-System Number and the corresponding relation between the ID of trace route path; Obtain signaling point code and the pairing ID of trace route path of Sub-System Number in the said route indication information; Again according to the corresponding relation of the combination of the signaling point code of said ID of trace route path and next-hop node equipment and Sub-System Number, the signaling point code of the next-hop node equipment that the ID of trace route path that obtains being obtained is corresponding and the combination of Sub-System Number.
Since each node device exist at least one have with it connection, state is available node device; Therefore SUA message just might be divided into a few road branch after these node devices send, and the state of the node device in some branch to next-hop node equipment possibly interrupt for unavailable for a certain reason.Therefore; Send SUA message for fear of the path of having selected down state; The signaling point code in the said route indication information of said acquisition and the pairing ID of trace route path of combination of Sub-System Number can be realized like this: according to signaling point code and the combination of Sub-System Number and the corresponding relation between the ID of trace route path of the said node device relevant with present node; And the corresponding relation of ID of trace route path and path status; From path status is the ID of trace route path of upstate, selects to obtain signaling point code and the pairing ID of trace route path of combination of Sub-System Number in the said route indication information.Therefore; Can be to select at least one ID of trace route path the ID of trace route path of upstate from said path status; And, confirm signaling point code and the combination of Sub-System Number of the next-hop node equipment of selected ID of trace route path correspondence according to the corresponding relation of the combination of the signaling point code of this ID of trace route path of selecting and next-hop node equipment and Sub-System Number.Can improve the efficient of sending SUA like this.
Certainly, ensure,, can adopt the load sharing mode, said SUA message is sent to corresponding next-hop node equipment if the ID of trace route path of the last upstate of selecting comprises two at least in order to realize QOS.Such as: SUA message is divided into several parts by the number of available path, and every paths transmits a part of message.Also can SUA message be divided into several parts that load does not wait by the number and the predefined path weight value of available path, the said available path that weight is bigger transmits the bigger part message of load.When selecting ID of trace route path, can, said path status select ID of trace route path from being the ID of trace route path of upstate according to the path priority that is provided with or random fashion.
Said signaling point code can comprise: time-division switching Destination Point Code, or Internet Protocol signaling point coding.
As shown in Figure 5, the A node is a source node equipment, and B node and C node are intermediary device, and the D node is a destination node equipment., path 1 and path 2 are arranged from A node to D node when but B node and C node state are the time spent.
Wherein, Present embodiment also need be provided with second corresponding relation of ID of trace route path and path status in advance; And; First corresponding relation that the signaling point code of the node device relevant with present node and the combination of Sub-System Number and present node equipment arrive between the combination of signaling point code and Sub-System Number of the next-hop node equipment in the every paths of said interdependent node equipment can be set to: signaling point code and the combination of Sub-System Number and the corresponding relation that present node equipment arrives the ID of trace route path of said interdependent node equipment of relevant node device with present node, and the corresponding relation between the combination of the signaling point code of ID of trace route path and next-hop node equipment and Sub-System Number.
Referring to shown in Figure 6, the idiographic flow of the embodiment of the invention is following:
Step 601: the SUA message that need send to the D node is arranged when the A node; And the route indication information that carries in this message; If comprise SSN in the route indication information; Then the A node is according to signaling point code and the combination of Sub-System Number and the corresponding relation that present node equipment arrives the ID of trace route path of said interdependent node equipment of the relevant node device of present node, and second corresponding relation of ID of trace route path and path status, and whether the path of confirming SSN and signaling point code correspondence in the route indication information upstate; If be available, then execution in step 602.
Step 602:A node carries out available path and selects; Promptly according to second corresponding relation of ID of trace route path and path status; Select to arrive the available path of destination node equipment; If selected path 1,, obtain the next-hop node equipment in path 1 according to the corresponding relation between the combination of the signaling point code of ID of trace route path and next-hop node equipment and Sub-System Number; Be the B node, then this SUA message sent to next jumping B node according to the signaling point code of said next-hop node equipment and the combination of Sub-System Number.
After step 603:B node is received this message; If the SSN in the route indication information and self is inequality; Then confirm the pairing ID of trace route path of combination of this SSN and signaling point code according to the combination of the signaling point code of the relevant node device of present node and Sub-System Number and corresponding relation that present node equipment arrives the ID of trace route path of said interdependent node equipment; And confirm to arrive destination node equipment according to second corresponding relation of ID of trace route path and path status available path is arranged; Then carry out Path selection; According to the corresponding relation between the combination of the signaling point code of ID of trace route path and next-hop node equipment and Sub-System Number, obtain the signaling point code of next-hop node equipment and the combination of Sub-System Number, such as: the next-hop node equipment of selection is the D node.
Step 604:B node sends to the D node with this SUA message.
After step 605:D node is received this message; If the signaling point code in the route indication information that definite this SUA message is carried is identical with the signaling point code of self; And the SSN in the route indication information belongs to self; Confirm that then this node device is the destination node of this SUA message, uploads to last layer protocol processes, process ends with this SUA message.
Can know through the foregoing description; For source node equipment; The mode of carrying out the message route can realize like this: if comprise SSN in the route indication information from the SUA message that upper-layer protocol receives; According to first corresponding relation between the combination of the combination of the signaling point code of the node device relevant and Sub-System Number and signaling point code that present node equipment arrives the next-hop node equipment in the every paths of said interdependent node equipment and Sub-System Number, confirm signaling point code and the combination of Sub-System Number of the pairing next-hop node equipment of combination of signaling point code and Sub-System Number in the said route indication information with present node; Combination according to the signaling point code and the Sub-System Number of said next-hop node equipment sends to next-hop node equipment with said SUA message.
For intermediary device; The mode of carrying out the message route can realize like this: when Sub-System Number and the Sub-System Number of self are inequality in the route indication information on receiving in the SUA message of a hop node equipment; According to first corresponding relation between the combination of the combination of the signaling point code of the node device relevant and Sub-System Number and signaling point code that present node equipment arrives the next-hop node equipment in the every paths of said interdependent node equipment and Sub-System Number, confirm signaling point code and the combination of Sub-System Number of the pairing next-hop node equipment of combination of signaling point code and Sub-System Number in the said route indication information with present node; Combination according to the signaling point code and the Sub-System Number of said next-hop node equipment sends to next-hop node equipment with said message.And in existing SCCP is realized; Processing for the message that receives is: if the route results of indicating in the message is the SSN mode; Be when comprising SSN in the route indication information, but this SSN does not belong on this node, then message is abandoned; In other words, message is can not transmit processing once more.
For destination node equipment; The method of carrying out the message route can realize like this: if the signaling point code in the route indication information in the SUA message that receives is identical with the signaling point code of self; And when the Sub-System Number in the said route indication information is identical with self Sub-System Number, this SUA message is sent to the last layer protocol processes.
The forwarding of message in each network element need be dependent on the network configuration data of prior storage.With Fig. 4 networking is example: the A node device has stored signalling point and the SSN information of destination node B/C/D respectively; And preserve routing information to destination node; Such as: the routing information to destination node D comprises: next-hop node equipment is the B/C node, can arrive the D node through the B/C node.The difference of the embodiment of the invention and existing No.7 network addressing mode is: in the existing No.7 network, the MTP3 agreement is carried out routing addressing according to DPC, and SCCP carries out routing addressing according to GT; And the present invention provides another kind of addressing system in the SUA agreement, can carry out addressing according to (DPC+SSN), promptly utilizes the routing configuration information of DPC+SSN inquiry present node equipment disposition, obtains the DPC+SSN of next-hop node equipment, and then realizes transmitting.
And; The message route system of the embodiment of the invention comprises: at least two node devices; Wherein, said node device is when being used for that Sub-System Number does not belong to the Sub-System Number of self in the route indication information of pending SUA message; Routing configuration information according to the present node equipment disposition; Confirm the signaling point code of the arrival destination node equipment corresponding and the combination of Sub-System Number, and, said SUA message is sent to next-hop node equipment according to the combination of the signaling point code and the Sub-System Number of said next-hop node equipment with present node equipment; If the signaling point code in the said route indication information and the combination of Sub-System Number are identical with the combination of self signaling point code and Sub-System Number, this SUA message is sent to the last layer protocol processes.
When said node device was source node equipment, said pending SUA message was for sending to the SUA message of destination node equipment from the needs of upper-layer protocol; When said present node equipment was intermediary device, said pending SUA message was the SUA message from a last hop node equipment.
Referring to shown in Figure 7, said node device comprises: judging unit 70, routing iinformation acquiring unit 71, transmitting element 72 and uploading unit 73.Wherein,
Judging unit 70; Be used for judging whether the Sub-System Number in the pending SUA message route indication information belongs to the Sub-System Number of self; When Sub-System Number does not belong to the Sub-System Number of self in the route indication information; Handle by the routing iinformation acquiring unit, and the combination of signaling point code in said route indication information and Sub-System Number is handled by uploading unit when identical with the combination of self signaling point code and Sub-System Number;
Routing iinformation acquiring unit 71 is used for the routing configuration information according to the present node equipment disposition, confirms the signaling point code of next-hop node equipment corresponding with present node equipment, that arrive destination node equipment and the combination of Sub-System Number;
Transmitting element 72 is used for the combination according to the signaling point code and the Sub-System Number of said next-hop node equipment, and said SUA message is sent to corresponding next-hop node equipment;
Further, can also comprise uploading unit 73,
Uploading unit 73 is used for when the combination of the signaling point code of said route indication information and Sub-System Number is identical with the combination of self signaling point code and Sub-System Number, this SUA message being sent to the last layer protocol processes.
Referring to shown in Figure 8, a kind of node device that the embodiment of the invention provides comprises: confirm unit 80, routing iinformation acquiring unit 81 and transmitting element 82.Wherein,
Routing iinformation acquiring unit 81; Be used for when said route indication information Sub-System Number does not belong to the Sub-System Number of self; According to the routing configuration information of configuration, confirm the signaling point code of next-hop node equipment corresponding with self, that arrive destination node equipment and the combination of Sub-System Number;
Transmitting element 82 is used for the combination according to the signaling point code and the Sub-System Number of said next-hop node equipment, and said SUA message is sent to corresponding next-hop node equipment.
This node device also further comprises:
Uploading unit 83 is used for when the combination of the signaling point code of said route indication information and Sub-System Number is identical with the combination of self signaling point code and Sub-System Number, this SUA message being sent to the last layer protocol processes.
Said routing configuration information comprises: the signaling point code of the node device relevant with self and the combination of Sub-System Number and self arrive the corresponding relation of the ID of trace route path of said interdependent node equipment, and the corresponding relation between the combination of the signaling point code of ID of trace route path and next-hop node equipment and Sub-System Number;
Then said routing iinformation acquiring unit 81 comprises:
Next-hop node is searched unit 812; Be used for corresponding relation, the signaling point code of the next-hop node equipment that the ID of trace route path that obtains being obtained is corresponding and the combination of Sub-System Number according to the combination of the signaling point code of said ID of trace route path and next-hop node equipment and Sub-System Number.
Said routing iinformation acquiring unit 81 also comprises:
Available path is confirmed unit 813, is used for the corresponding relation according to ID of trace route path and path status, confirms that the path status in the ID of trace route path that said path searching unit obtained is the ID of trace route path of upstate.
This node device can further include: first memory cell is used for preserving first corresponding relation between the combination of signaling point code and Sub-System Number of signaling point code and the combination of Sub-System Number and the next-hop node equipment that present node equipment arrives the every paths of destination node equipment of destination node equipment.
This node device can further include: second memory cell is used for second corresponding relation of storing path sign and path status.
Should be understood that: first memory cell can be the different memory spaces of same physical storage device with second memory cell, amount of physical memory that also can be different.
In embodiments of the present invention; Route results for SUA message is the situation of SSN mode; Whether the combination of SSN and signaling point code identical in the combination that further needs judge SSN and signaling point code in the SUA message and self node device, under identical situation, thinks that oneself is as destination node equipment; Promptly land node; Otherwise,, confirm the signaling point code of next-hop node equipment corresponding with present node equipment, that arrive destination node equipment and the combination of Sub-System Number according to routing configuration information according to the present node equipment disposition; And utilize the combination of signaling code and the Sub-System Number of this next-hop node equipment that this SUA message is sent, thereby solve under the situation that has identical signaling point code in the prior art the problem of can't correct route sending.And, can also be before the device identification of acquisition next-hop node, inquiry earlier arrives the state of destination node equipment, selects available path, through the next-hop node equipment transmission SUA message in available path.Therefore, the embodiment of the invention can not cause professional interruption because of the interruption of certain paths, guarantees professional continuing to greatest extent.And, can also pass through multi-path transmission, optimize the load sharing ability of network, make in the network evenly bearer service of each node, some node in the reduction network produces the possibility of fault because of overload.
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, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (15)
1. the method for a message route is characterized in that, is applied to based in the signaling connection control part customer message adaptation layer SUA protocol of I P net, and this method comprises:
Obtain pending SUA message;
Confirm that the Sub-System Number in the route indication information in the said SUA message does not belong to the Sub-System Number of present node equipment self; And,
Routing configuration information according to the present node equipment disposition; Confirm the signaling point code of next-hop node equipment corresponding with present node equipment, that arrive destination node equipment and the combination of Sub-System Number; And, said SUA message is sent to corresponding next-hop node equipment according to the combination of the signaling point code and the Sub-System Number of said next-hop node equipment.
2. method according to claim 1 is characterized in that, the pending SUA message of said acquisition comprises: receive the SUA message that upper-layer protocol issues, or receive the SUA message from a last hop node equipment.
3. method according to claim 1 is characterized in that, said routing configuration information comprises:
The signaling point code of the node device relevant with present node and the combination of Sub-System Number and present node equipment arrive first corresponding relation between the combination of signaling point code and Sub-System Number of the next-hop node equipment in the every paths of said interdependent node equipment, and the node device that said present node is relevant is meant other node devices except that present node.
4. method according to claim 1 is characterized in that, said routing configuration information comprises:
The signaling point code of the node device relevant with present node and the combination of Sub-System Number and present node equipment arrive the corresponding relation of the ID of trace route path of said interdependent node equipment, and the corresponding relation between the combination of the signaling point code of ID of trace route path and next-hop node equipment and Sub-System Number;
The signaling point code of then said definite next-hop node equipment corresponding with present node equipment, that arrive destination node equipment and the combination of Sub-System Number comprise:
With the combination of signaling point code in the route indication information in the SUA message and Sub-System Number combination as the signaling point code and the Sub-System Number of the node device relevant with present node; According to signaling point code and the combination of Sub-System Number and the corresponding relation between the ID of trace route path of the said node device relevant, obtain signaling point code and the pairing ID of trace route path of combination of Sub-System Number in the said route indication information with present node;
According to the corresponding relation of the combination of the signaling point code of said ID of trace route path and next-hop node equipment and Sub-System Number, the signaling point code of the pairing next-hop node equipment of ID of trace route path that obtains being obtained and the combination of Sub-System Number.
5. method according to claim 4 is characterized in that, the signaling point code in the said route indication information of said acquisition and the pairing ID of trace route path of combination of Sub-System Number comprise:
Signaling point code and the combination of Sub-System Number and the corresponding relation between the ID of trace route path according to the said node device relevant with present node; And the corresponding relation of ID of trace route path and path status; From path status is the ID of trace route path of upstate, selects to obtain signaling point code and the pairing ID of trace route path of combination of Sub-System Number in the said route indication information.
6. method according to claim 5 is characterized in that, comprises two at least if the path status that is obtained is the ID of trace route path of upstate, then adopts the load sharing mode, and said SUA message is sent to corresponding next-hop node equipment.
7. method according to claim 5; It is characterized in that, from said path status is the ID of trace route path of upstate, select to obtain the signaling point code of said destination node equipment and the pairing ID of trace route path of combination of Sub-System Number according to the path priority that is provided with.
8. method according to claim 1 is characterized in that, the combination of said signaling point code and Sub-System Number comprises: the combination of time-division switching Destination Point Code and Sub-System Number, or the combination of Internet Protocol signaling point coding and Sub-System Number.
9. method according to claim 1 is characterized in that, the Sub-System Number that the Sub-System Number in said definite said SUA message in the route indication information does not belong to the present node equipment self also comprises before:
Confirm that the signaling point code in the route indication information is identical with the signaling point code of present node equipment self in the said SUA message.
10. the method for a message route is characterized in that, is applied to based in the signaling connection control part customer message adaptation layer protocol SUA protocol of I P net, and this method comprises:
Obtain pending SUA message;
Judge whether the Sub-System Number in the route indication information in the said SUA message belongs to the Sub-System Number of present node self;
If do not belong to; Routing configuration information according to the present node equipment disposition; Confirm the signaling point code of next-hop node equipment corresponding with present node equipment, that arrive destination node equipment and the combination of Sub-System Number; And, said SUA message is sent to corresponding next-hop node equipment according to the combination of the signaling point code and the Sub-System Number of said next-hop node equipment;
If the combination of signaling point code of signaling point code in the said route indication information and the combination and present node of Sub-System Number self and Sub-System Number is identical, this SUA message is sent to the last layer protocol processes.
11. the system of a message route is characterized in that, this system comprises: at least two node devices, and wherein each node device comprises:
Judging unit; Be used for judging whether the Sub-System Number in the pending SUA message route indication information belongs to the Sub-System Number of configuration; When Sub-System Number does not belong to the Sub-System Number of configuration in the route indication information; Handle by the routing iinformation acquiring unit, and the combination of signaling point code of the combination of signaling point code in said route indication information and Sub-System Number and configuration and Sub-System Number is handled by uploading unit when identical;
The routing iinformation acquiring unit is used for the routing configuration information according to configuration, the signaling point code of the next-hop node equipment of definite arrival destination node equipment and the combination of Sub-System Number;
Transmitting element is used for the combination according to the signaling point code and the Sub-System Number of said next-hop node equipment, and said SUA message is sent to corresponding next-hop node equipment;
Uploading unit is used for this SUA message is sent to the last layer protocol processes.
12. a node device is characterized in that, comprising:
Confirm the unit, be used for confirming that Sub-System Number in the route indication information of pending SUA message does not belong to the Sub-System Number of configuration;
The routing iinformation acquiring unit is used for when said route indication information Sub-System Number does not belong to the Sub-System Number of configuration, according to the routing configuration information of configuration, and the signaling point code of the next-hop node equipment of definite arrival destination node equipment and the combination of Sub-System Number;
Transmitting element is used for the combination according to the signaling point code and the Sub-System Number of said next-hop node equipment, and said SUA message is sent to corresponding next-hop node equipment.
13. node device according to claim 12 is characterized in that, this node device also further comprises:
Uploading unit is used for when the combination of signaling point code of the combination of the signaling point code of said route indication information and Sub-System Number and configuration and Sub-System Number is identical, this SUA message being sent to the last layer protocol processes.
14. node device according to claim 13; It is characterized in that; Said routing configuration information comprises: the signaling point code of the node device relevant with self and the combination of Sub-System Number and self arrive the corresponding relation of the ID of trace route path of said interdependent node equipment; And the corresponding relation between the combination of the signaling point code of ID of trace route path and next-hop node equipment and Sub-System Number, wherein, said relevant node device is meant except that other node devices self;
Then said routing iinformation acquiring unit comprises:
The path searching unit; Be used for signaling point code and the combination of Sub-System Number and the corresponding relation between the ID of trace route path, obtain signaling point code and the pairing ID of trace route path of combination of Sub-System Number in the said route indication information according to the said node device relevant with self;
Next-hop node is searched the unit; Be used for corresponding relation, the signaling point code of the next-hop node equipment that the ID of trace route path that obtains being obtained is corresponding and the combination of Sub-System Number according to the combination of the signaling point code of said ID of trace route path and next-hop node equipment and Sub-System Number.
15. node device according to claim 14 is characterized in that, said routing iinformation acquiring unit also comprises:
Available path is confirmed the unit; Be used for corresponding relation according to ID of trace route path and path status; Confirm that the path status in the ID of trace route path that said path searching unit obtained is the ID of trace route path of upstate, the ID of trace route path of said upstate is used to offer next-hop node and searches the unit and use.
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| CN101686231B (en) * | 2008-09-28 | 2012-09-05 | 华为技术有限公司 | Transmission method of GT addressing based SUA message and device thereof |
| JP6516105B2 (en) * | 2014-03-13 | 2019-05-22 | シグニファイ ホールディング ビー ヴィ | Method of configuring node device and device |
| CN103986710B (en) * | 2014-05-15 | 2017-12-15 | 华为技术有限公司 | A kind of method, apparatus and system of message transmission |
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