CN100550803C - A kind of apparatus and method of multi-protocol common routing management - Google Patents
A kind of apparatus and method of multi-protocol common routing management Download PDFInfo
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Abstract
The apparatus and method of a kind of multi-protocol common routing management of the present invention, be applicable to the conventional telecommunications net to the evolution of IP network and and the fusion of IP network, wherein this device comprises public route maintenance module, MTP3 route maintenance module and M3UA route maintenance module, line module, user message processing module, common data maintenance module and user's applicating maintenance module that MTP3 and M3UA supported; Wherein the route fit system of MTP3 and M3UA comprises backup mode and load sharing mode, and under backup mode, the CRM module need dispose normal route and route stand-by respectively; Under the load sharing mode, the CRM module need dispose the load sharing ratio of MTP3 route and M3UA route.Employing the present invention in the evolution and fusion process of communication network, can guarantee most possibly that original networking mode and resource continue to obtain to utilize and be not wasted.
Description
Technical field
The invention belongs to the communications field, relate to a kind of apparatus and method of multi-protocol common routing management, and be particularly related to a kind of conventional telecommunications net to Internet protocol (Internet Protocol) (hereinafter to be referred as IP) network evolution and and the IP network fusion process in the apparatus and method of multi-protocol common routing management.
Background technology
Signalling system No.7 (Signaling System No.7) (hereinafter to be referred as SS7) is (the International Telecommunication Union-Telecommunication StandardizationSector of International Telecommunications Union, abbreviation ITU-T) agreement of one group of conventional telecommunications net of definition, be widely used in PSTN (Public Switched Telephone Network is called for short PSTN) and mobile network.Layer 3 agreement (Message Transfer Part 3) (hereinafter to be referred as MTP3) of Message Transfer Part are the network layer protocols of signalling system No.7 network, mainly finish Message Processing and signaling network management function.
Signaling transmission (Signaling Transport) (hereinafter to be referred as SIGTRAN) agreement is the Internet engineering duty group (The Internet Engineering Task Force, abbreviation IETF) one group of definition is used for transmitting legacy circuit-switched networks network (Switch Circuit Network at emerging IP Telecommunication Network network, be called for short SCN) agreement of signaling, also can be used for the intercommunication between the point-to-point of inside, IP territory.Message Transfer Part 3rd level user adaptation layer (MTP3User Adaptation Layer) (hereinafter to be referred as M3UA) is the MTP3 user's adapting protocol in the SIGTRAN family.It provides the service that is equal to MTP3 for the user.
In the evolution and fusion process of communication network, need guarantee most possibly that original networking mode and resource continue to obtain to utilize rather than be wasted, so just might appear at the situation that has SS7 and SIGTRAN transmission means between two signalling points simultaneously, promptly MTP3 and M3UA are safeguarded the route between two signalling points simultaneously.The typical networking of this situation as depicted in figs. 1 and 2.
In Fig. 1, A, B two signalling points adopt MTP3 and the intercommunication of M3UA dual mode simultaneously; In Fig. 2, A, B are SGW, and C is the signalling point in the IP territory, and the transmission means of direct M3UA is arranged between A, B two SGWs and the C signalling point, adopt the SS7 transmission means between A, B two SGWs.From the A signalling point, have two kinds of routing modes to the C signalling point: a kind of is directly to transmit by the M3UA mode; Another kind is to be transferred to B by A to the MTP3 mode of B signalling point, is transmitted to the C signalling point by the B signalling point again.
Under the situation that has SS7 and SIGTRAN signaling transmission means between two signalling points simultaneously, MTP3 and M3UA provide the network layer service to the user, so there is the matching problem in the work of dual mode route.The message routing of MTP3 is to find signaling destination signaling point link corresponding group by the route that sets in advance, and then determines a link of link group by the load sharing algorithm; The message routing of M3UA is mated by routing key and is realized, in MTP route head, there is destination point code (Destination Point Code, be called for short DPC), originating point code (OriginatingPoint Code, be called for short OPC), information on services eight bit byte (Service Information Octet, be called for short SIO), cic circuit identification code (Circuit Identification Code, be called for short CIC) etc. information, application server (Application Server) (hereinafter to be referred as AS) is served the determined business of various combination of these information, the various combination of these information is just corresponding routing key; When message matches an AS by routing key after, again by the application server instance (Application Server Provider) (hereinafter to be referred as ASP) of load sharing algorithmic match below AS.Because MTP3 adheres to different protocol suites separately with M3UA, their routing management is relatively independent, and how they cooperate to the route of same point of destination, at present also without any agreement and solution.This type of problem is used in concrete networking bigger practical significance, therefore need find solution could guarantee as far as possible that original networking resource is not wasted.
Summary of the invention
In view of above-mentioned, the apparatus and method that the purpose of this invention is to provide a kind of multi-protocol common routing management, more specifically provide a kind of apparatus and method of common routing management when between two signalling points, having MTP3 and M3UA signaling transfer protocol simultaneously, with solve the conventional telecommunications net to IP network evolution and and the IP network fusion process in have the matching problem of MTP3 and M3UA between two signalling points simultaneously.
For achieving the above object, the device of a kind of multi-protocol common routing management of the present invention, be applicable to the conventional telecommunications net to the evolution of IP network and and the fusion of IP network, comprise public route maintenance (Common Route Manage) (hereinafter to be referred as CRM) module, MTP3 route maintenance module, M3UA route maintenance module, line module, user message processing module, common data maintenance module and user's applicating maintenance module that MTP3/M3UA supported.
Wherein, MT reconnaissance P3 route maintenance module is connected with above-mentioned CRM module respectively with above-mentioned M3UA route maintenance module; And above-mentioned CRM module is connected with the line module that MT reconnaissance P3/M3UA is supported respectively with above-mentioned user message processing module.
Above-mentioned CRM module is responsible for being maintained into jointly according to the state of MTP3 and M3UA the routing state of destination signaling point, and generates the routing table under backup or the load sharing mode and carry out reporting of state to the upper-layer user according to the routing state of MTP3 and M3UA; MT reconnaissance P3 route maintenance module and above-mentioned M3UA route maintenance module are responsible for safeguarding the routing state of this host-host protocol separately and are reported to above-mentioned CRM module; The line module that MT reconnaissance P3/M3UA supported is responsible for producing miscellaneous service message and is sent to above-mentioned user message processing module; Above-mentioned user message processing module is responsible for according to the routing table to destination signaling point that above-mentioned CRM module is safeguarded user message being sent out, and is responsible for and will distributes to each upper-layer user from the message that link or coupling are received; Above-mentioned common data maintenance module is responsible for generating the static data of the overall situation and is safeguarded the data that dynamically update; Above-mentioned user's applicating maintenance module is responsible for the user at least and provides the interface of Operation and Maintenance and management, said apparatus is managed checking of the input of order and status data etc.
For achieving the above object, the method for a kind of multi-protocol common routing management of the present invention, be applicable to the conventional telecommunications net to the evolution of IP network and and the fusion of IP network, may further comprise the steps:
The route fit system of pre-configured MTP3 of step 1:CRM module and M3UA;
Step 2: after above-mentioned CRM module is received reporting of routing state variation, judge above-mentioned pre-configured route fit system, if above-mentioned route fit system is a backup mode, then execution in step 3; If above-mentioned route fit system is the load sharing mode, then execution in step 4;
Step 3: but when the normal route time spent that sets in advance, it is the above-mentioned normal route that sets in advance that above-mentioned CRM module is provided with current route; When the above-mentioned normal route that sets in advance was unavailable, above-mentioned CRM module was served the route stand-by input; When but the above-mentioned normal route that sets in advance becomes the time spent by unavailable, above-mentioned CRM module is re-set as the above-mentioned normal route that sets in advance with current route;
Step 4: but be the time spent when the route of MT reconnaissance P3 and M3UA dual mode, route under the dissimilar bearing modes provides data transport service simultaneously according to the load sharing ratio, thereby the public upper-layer user's of MTP3 and M3UA message is shared ratio according to the routing load between MTP3 and the M3UA realize load sharing between them; When the route of the wherein a kind of mode in the above-mentioned dual mode was unavailable, the route of another kind of mode was born whole data transport service.
Wherein, the route fit system in the above-mentioned steps 1 comprises backup mode and load sharing mode, and wherein if the pre-configured route fit system of above-mentioned CRM module is a backup mode, then above-mentioned CRM module disposes normal route and route stand-by respectively; If the pre-configured route fit system of above-mentioned CRM module is the load sharing mode, then above-mentioned CRM module further disposes the load sharing ratio of MT reconnaissance P3 route and above-mentioned M3UA route.
The normal route in the above-mentioned backup mode and the equipping rules of route stand-by are determined according to the applicable cases and the planning of networking by the configuration personnel.
Above-mentioned available and unavailable route is meant the route that uploaded state changes, and above-mentioned current route is meant the MTP3 of current above-mentioned CRM module maintenance and the state of the public route of M3UA.
Under above-mentioned backup mode, the message routing of MT reconnaissance P3 and M3UA only realizes in the current route of above-mentioned CRM module setting and carries out load sharing.
In addition, under above-mentioned load sharing mode, above-mentioned load sharing ratio is the definite value that sets in advance or is the dynamic change value that the factor that wherein influences the dynamic change value of above-mentioned load sharing ratio comprises the applicable cases of the actual bandwidth of the ASP of MTP3 link and M3UA, networking and configuration personnel's planning at least.
Employing the present invention in the evolution and fusion process of communication network, can guarantee most possibly that original networking mode and resource continue to obtain to utilize and be not wasted.
For above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and cooperate Figure of description, be described in detail below.
Description of drawings
Fig. 1 is the networking structure schematic diagram that uses MTP3 and M3UA interconnection between two signalling points simultaneously.
Fig. 2 is when the paired networking of SGW, the MTP3 signalling route between signalling point and the structural representation of M3UA route.
Fig. 3 is the structural representation of device of the present invention.
Fig. 4 can use the process chart of back CRM module for route.
Fig. 5 is the process chart of the unavailable back of route CRM module.
Embodiment
Be described in further detail below in conjunction with the concrete enforcement of accompanying drawing technical scheme of the present invention.
The structural representation of device of the present invention as shown in Figure 3, it comprises CRM module, MTP3 route maintenance module, M3UA route maintenance module, line module, user message processing module, common data maintenance module and user's applicating maintenance module that MTP3/M3UA supported.
Wherein, the effect of above-mentioned CRM module is that the information according to MTP3 route maintenance module and M3UA route maintenance module generates public routing iinformation, and reports to the common user of MTP3 and M3UA.Above-mentioned user message processing module is carried out the processing of user message according to the state of public route.Above-mentioned common data maintenance module is safeguarded public data resource, comprises static information and the information that dynamically updates.The interface that above-mentioned user's applicating maintenance module provides the user that this device is managed.
The flow chart that CRM resume module routing state changes as shown in Figure 4 and Figure 5.In the description of step, available and unavailable route is meant the route that uploaded state changes, and current route is meant the MTP3 of current C RM module maintenance and the state of the public route of M3UA.Please be simultaneously with reference to Fig. 4 and Fig. 5, the concrete implementation step of the method for the invention is as follows:
Steps A: the route fit system of pre-configured MTP3 of CRM module and M3UA;
Step B: after above-mentioned CRM module is received reporting of routing state variation, at first judge the route fit system of configuration; If backup mode, then execution in step C; If load sharing mode, then execution in step D;
Step C: above-mentioned CRM module disposes normal route and route stand-by respectively, and wherein the equipping rules of routing mode priority is decided according to networking applicable cases and planning by the configuration personnel; Above-mentioned afterwards CRM module is judged the situation about reporting that the routing state received changes, if receive be MTP3 or M3UA route can with report execution in step C10 then; If that receive is MTP3 or the M3UA route is disabled reports, then execution in step C20;
Step C10: above-mentioned CRM module judges whether current route is available, if current route is disabled, then above-mentioned CRM module report of user routing state becomes available and is available route with current routing update; Otherwise, execution in step C11;
Step C11: above-mentioned CRM module judges whether the priority of above-mentioned available route is higher than the priority of current route, if the priority of above-mentioned available route is higher than current route, then above-mentioned CRM module is the high priority route with current routing update, and the low priority route is withdrawed from service; Otherwise, then do not upgrade route;
Step C20: above-mentioned CRM module is judged the priority of unavailable route, if be set to the route of low priority become unavailable, execution in step C21 then; If be set to the route of high priority become unavailable, execution in step C22 then;
Step C21: above-mentioned CRM module judges whether above-mentioned unavailable route is current route, if unavailable route is current route, then current route is set to down state and report of user; Otherwise, do not do to upgrade and handle;
Step C22: above-mentioned CRM module judges whether the route of low priority is upstate, if the route of low priority can be used, then the route with low priority is changed to available route; Otherwise, current route is changed to down state and report of user;
Wherein, in above step, the routing of service message is all carried out on current route, current route only is a kind of of M3UA route or MTP3 route, service message is realized load sharing equally on a plurality of links of current route inside or ASP, the mechanism of realization can be for according to signaling link selection (Signaling Link Selection) (hereinafter to be referred as SLS) repeating query or other realization mechanisms;
Step D: above-mentioned CRM module further disposes the load sharing ratio of MTP3 route and M3UA route, and wherein this load sharing ratio can be certain value, also can promptly dynamically refresh according to network state for the value of a dynamic change; Above-mentioned afterwards CRM module is judged the situation about reporting that the routing state received changes, if receive be MTP3 or M3UA route can with report execution in step D10 then; If that receive is MTP3 or the M3UA route is disabled reports, then execution in step D30;
Step D10: above-mentioned CRM module judges whether current route available, if current route is disabled, then above-mentioned CRM module report user's route can with and be available route with current routing update; Otherwise, execution in step D20;
Step D20: above-mentioned CRM module adds current route with above-mentioned available route, and it is carried out load sharing with former route; Wherein, if above-mentioned load sharing ratio is the value of dynamic change, then the CRM module is carried out load sharing according to up-to-date load sharing ratio according to the load proportion of the ASP of MTP3 link that sets in advance and M3UA and the load sharing ratio of available number renewal MTP3 route and M3UA route when the routing of service message; Wherein, between the route and the mode of load sharing in a kind of route be according to SLS repeating query or other realization mechanisms;
Step 30: whether above-mentioned CRM module judges another route also at upstate, if available, then service message sends on remaining available route; Otherwise above-mentioned CRM module is changed to unavailable current routing state and report of user;
Wherein, in above-mentioned steps D, when the load sharing ratio of configuration MTP3 route and M3UA route, need to consider the coupling and the harmony of MTP3 route and M3UA route bandwidth.If the above-mentioned load sharing ratio value that is dynamic change, need dispose the load sharing ratio of the ASP of MTP3 link and M3UA when then between route, upgrading above-mentioned load sharing ratio.For example, suppose that the MTP3 link group has disposed 2 2M links, the M3UA routing configuration 2 ASP that are operated under the load sharing pattern, wherein the default bandwidth of 1 ASP is 2M, then the load sharing ratio of the ASP of MTP3 link and M3UA can be set to 1: 1, also can be set to other proportionate relationships, the factor of configuration of load sharing ratio that wherein influences the ASP of MTP3 link and M3UA has the actual bandwidth of link and ASP, networking applicable cases and configuration personnel's planning etc.Under normal circumstances, the ASP of all MTP3 links and M3UA is available, and then service message carries out load sharing according to 1: 1 ratio between MTP3 route and M3UA route; If 1 MTP3 link generation chain rupture, and 2 ASP are all available, then the routing load of MTP3 route and M3UA is shared ratio and will be updated to 1: 2, and service message carries out load sharing according to new load sharing ratio between MTP3 route and M3UA route.
In above step, after setting in advance static data or owing to network state changes when causing routing state to change, above-mentioned CRM module all can be upgraded and safeguards relevant data, that is: when the routing state to a purpose office direction become available after, above-mentioned CRM module reports upstate to the user, the public user of MTP3 and M3UA will start their corresponding service; And become disabled the time when route, above-mentioned CRM module also can report down state to the user, professional corresponding become unavailable.Wherein, user's application module provides the interface of Operation and Maintenance and management to the user, and the user can carry out the input of related management order and checking of status data by interface.
More than describe operation principle of the present invention in detail, but the example of this visualization of just lifting for the ease of understanding should not be considered to be limitation of the scope of the invention.Equally, according to the description of technical scheme of the present invention and preferred embodiment thereof, can make various possible being equal to and change or replacement, and all these changes or replacement all should belong to the protection range of claim of the present invention.
Claims (7)
1. the device of a multi-protocol common routing management, be applicable to the conventional telecommunications net to the evolution of IP network and and the fusion of IP network, it is characterized in that comprising layer 3 agreement route maintenance module, the Message Transfer Part 3rd level user adaptation layer route maintenance module of public route maintenance module, Message Transfer Part, layer line module, user message processing module, common data maintenance module and user's applicating maintenance module that 3 agreements/Message Transfer Part 3rd level user adaptation layer is supported of Message Transfer Part; The layer 3 agreement route maintenance module of above-mentioned Message Transfer Part are connected with above-mentioned public route maintenance module respectively with above-mentioned Message Transfer Part 3rd level user adaptation layer route maintenance module, and above-mentioned public route maintenance module is connected with the layer line module that 3 agreements/Message Transfer Part 3rd level user adaptation layer is supported of above-mentioned Message Transfer Part respectively with above-mentioned user message processing module; Above-mentioned public route maintenance module is responsible for being maintained into jointly according to the state of layer 3 agreements and the Message Transfer Part 3rd level user adaptation layer of Message Transfer Part the routing state of destination signaling point, and generates the routing table under backup or the load sharing mode and carry out reporting of state to the upper-layer user according to the routing state of layer 3 agreement of Message Transfer Part and Message Transfer Part 3rd level user adaptation layer; The layer 3 agreement route maintenance module of above-mentioned Message Transfer Part and above-mentioned Message Transfer Part 3rd level user adaptation layer route maintenance module are responsible for safeguarding the routing state of this host-host protocol separately and are reported to above-mentioned public route maintenance module; The layer line module that 3 agreements/Message Transfer Part 3rd level user adaptation layer is supported of above-mentioned Message Transfer Part is responsible for producing miscellaneous service message and sent to above-mentioned user message processing module; Above-mentioned user message processing module is responsible for according to the routing table to destination signaling point that above-mentioned public route maintenance module is safeguarded user message being sent out, and is responsible for and will distributes to each upper-layer user from the message that link or coupling are received; Above-mentioned common data maintenance module is responsible for generating the static data of the overall situation and is safeguarded the data that dynamically update; Above-mentioned user's applicating maintenance module is responsible for the user at least provides the interface of Operation and Maintenance and management, said apparatus is managed the input of order and checking of status data.
2. the method for a multi-protocol common routing management, be applicable to the conventional telecommunications net to the evolution of IP network and and the fusion of IP network, it is characterized in that may further comprise the steps:
Step 1: layer 3 agreement of the pre-configured Message Transfer Part of public route maintenance module and the route fit system of Message Transfer Part 3rd level user adaptation layer;
Step 2: after above-mentioned public route maintenance module is received reporting of routing state variation, judge above-mentioned pre-configured route fit system, if above-mentioned route fit system is a backup mode, then execution in step 3; If above-mentioned route fit system is the load sharing mode, then execution in step 4;
Step 3: but when the normal route time spent that sets in advance, it is the above-mentioned normal route that sets in advance that above-mentioned public route maintenance module is provided with current route; When the above-mentioned normal route that sets in advance was unavailable, above-mentioned public route maintenance module was served the route stand-by input; When but the above-mentioned normal route that sets in advance becomes the time spent by unavailable, above-mentioned public route maintenance module is re-set as the above-mentioned normal route that sets in advance with current route;
Step 4: but be the time spent when the route of layer 3 agreements and the Message Transfer Part 3rd level user adaptation layer dual mode of above-mentioned Message Transfer Part, and the route under the dissimilar bearing modes provides data transport service simultaneously according to the load sharing ratio; When the route of the wherein a kind of mode in the above-mentioned dual mode was unavailable, the route of another kind of mode was born whole data transport service.
3. method according to claim 2, it is characterized in that the route fit system in the above-mentioned steps 1 comprises backup mode and load sharing mode, wherein if the pre-configured route fit system of above-mentioned public route maintenance module is a backup mode, then above-mentioned public route maintenance module disposes normal route and route stand-by respectively; If the pre-configured route fit system of above-mentioned public route maintenance module is the load sharing mode, then above-mentioned public route maintenance module further disposes the layer 3 agreement route of above-mentioned Message Transfer Part and the load sharing ratio of above-mentioned Message Transfer Part 3rd level user adaptation layer route.
4. method according to claim 3 is characterized in that the equipping rules of normal route in the above-mentioned backup mode and route stand-by is determined according to the applicable cases and the planning of networking by the configuration personnel.
5. method according to claim 2, it is characterized in that above-mentioned available and unavailable route is meant the route that uploaded state changes, above-mentioned current route is meant layer 3 agreement of the Message Transfer Part that current above-mentioned public route maintenance module is safeguarded and the state of the public route of Message Transfer Part 3rd level user adaptation layer.
6. method according to claim 3, it is characterized in that under above-mentioned backup mode the message routing of layer 3 agreements and the Message Transfer Part 3rd level user adaptation layer of above-mentioned Message Transfer Part only realizes and carries out load sharing in the current route of above-mentioned public route maintenance module setting.
7. method according to claim 3, it is characterized in that under above-mentioned load sharing mode, above-mentioned load sharing ratio is the definite value that sets in advance or is the dynamic change value, and the factor that wherein influences the dynamic change value of above-mentioned load sharing ratio comprises actual bandwidth, the applicable cases of networking and configuration personnel's the planning of the application server instance of layer 3 protocol link of Message Transfer Part and Message Transfer Part 3rd level user adaptation layer at least.
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| PCT/CN2005/001608 WO2007036068A1 (en) | 2005-09-29 | 2005-09-29 | A device for multiple protocol common route manage and the method thereof |
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| CN103095567A (en) * | 2011-10-27 | 2013-05-08 | 北京信威通信技术股份有限公司 | Method for relay call route analysis in telephone switching communication system |
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| CN101094191B (en) * | 2007-08-15 | 2011-07-13 | 中兴通讯股份有限公司 | Method for raising reliability of M3UA signaling route |
| CN101119407B (en) * | 2007-09-12 | 2011-12-07 | 中兴通讯股份有限公司 | Method for supporting MTP3 and M3UA routing verification test |
| CN102006233B (en) * | 2010-11-29 | 2015-08-12 | 中兴通讯股份有限公司 | route selection method and device |
| CN102123078B (en) * | 2010-12-31 | 2012-12-12 | 上海顶竹通讯技术有限公司 | Method and device for generating third-level user adaptation layer dynamic routing table in soft switch gateway |
| CN103138987A (en) * | 2013-02-04 | 2013-06-05 | 迈普通信技术股份有限公司 | Method and device of route management |
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| CA2255294A1 (en) * | 1997-12-23 | 1999-06-23 | Scott Pegrum | Multiple virtual router |
| FR2809202B1 (en) * | 2000-05-19 | 2005-04-15 | Airsys Atm S A | MULTI-PROTOCOL COMPUTER ROUTER |
| KR100938003B1 (en) * | 2003-03-19 | 2010-01-21 | 삼성전자주식회사 | Method of routing information management in Multi-protocol Label Switching router and apparatus therefor |
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| CN103095567A (en) * | 2011-10-27 | 2013-05-08 | 北京信威通信技术股份有限公司 | Method for relay call route analysis in telephone switching communication system |
| CN103095567B (en) * | 2011-10-27 | 2016-06-08 | 北京信威通信技术股份有限公司 | The method of the junction call route analysis of telephone exchange communication system |
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