CN101867939A - Signaling network planning method and system based on IP bearing - Google Patents
Signaling network planning method and system based on IP bearing Download PDFInfo
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- CN101867939A CN101867939A CN200910134957A CN200910134957A CN101867939A CN 101867939 A CN101867939 A CN 101867939A CN 200910134957 A CN200910134957 A CN 200910134957A CN 200910134957 A CN200910134957 A CN 200910134957A CN 101867939 A CN101867939 A CN 101867939A
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Abstract
The invention provides a signaling network planning method based on IP bearing, which comprises the following steps: determining the required band width between signaling network nodes; determining the band width of the signaling coupling between the nodes; and determining the signaling coupling number between the nodes according to the required band width between the nodes and the band width of the signaling coupling. The invention also provides a signaling network planning system based on IP bearing. When the method of the invention is adopted, the signaling coupling band width capability is obvious, in addition, the corresponding relationship to the traditional TDM link can be realized, the traditional No.7 signaling networking technology can be conveniently applied to a next generation of signaling network based on the IP bearing.
Description
Technical field
The present invention relates to next-generation communication network, relate in particular to signaling network planning method and system based on the IP carrying.
Background technology
Next-generation communication network (NGN) comprises service network and signaling network, all is based on the network of IP bearing technology.Service network, no matter be soft switch or IMS (IP Multimedia System) at present,, satisfy the demand of high broadband, high flow capacity in order to support to provide fast abundant more business, be based on the packet switching of IP agreement, realized carrying, control and professional separating simultaneously gradually.Signaling network is a kind of supporting network, and the route and the transmitting function of signaling message mainly is provided.Along with the expansion of userbase and the development of value-added service, the load of traditional signaling message net is more and more higher, and signaling network also needs to broadband development.Because the trend of whole communication network packetizing, tradition just faces to the direction evolution based on the IP carrying based on the signaling network of TDM (Time DivisionMultiplexing, time division multiplexing).
Realize that signaling message transmits on IP network, industry-wide adoption IETF (The IntemetEngineering Task Force, the Internet engineering duty group) signaling transmits SIGTRAN (Signal Transport, the signaling transmission) agreement that working group formulates.SIGTRAN has been stipulated different adaptation layer protocols at different signaling application modes, but transport layer all uses SCTP (StreamControl Transmission Protocol, SCTP).Adopt which kind of adaptation layer protocol all to need to set up in advance the SCTP coupling between the signaling node, upload to deliver letters in coupling and make message.A SCTP who sets up for specific adaptation layer protocol is coupled at the conceptive signaling link that is similar in the traditional signaling message network.The design of IP signaling net and planning, subject matter are exactly to want appropriate design signaling node layout, the adaptation layer protocol of SCTP signaling coupling quantity and use between the planning signaling node.
Traditional signaling message net networking technology maturation, the signaling link of TDM has different bandwidths such as 64Kbps and 2Mbps.Whether because of link bandwidth is determined, can distribute to signaling node with bandwidth demand by measure easily and number of links etc. made rational planning for and designed, also can transship to link load and link in certain O﹠M after opening and carry out dynamic monitoring.Mode when adopting the IP carrying because be towards broadband target, does not have the restriction of bandwidth in theory, and the bandwidth of a SCTP coupling does not have clear and definite definition, so do not have clear and definite mode to design and the regulation signaling node between the coupling number that needs.In fact, coupling signaling message quantity that can transmit is always limited.Because there is not clear and definite definitions of bandwidth, to the also very difficult definition of the load of coupling, the dynamic monitoring in network O﹠M is also relatively more difficult.
Summary of the invention
The technical problem to be solved in the present invention just provides a kind of signaling network planning method and system based on the IP carrying, thereby makes things convenient for the IP signaling network planning and dynamic monitoring.
In order to solve the problems of the technologies described above, the invention provides a kind of signaling network planning method based on the IP carrying, comprising:
Determine the demand bandwidth between signaling network nodes;
Determine the bandwidth of signaling coupling between node;
Determine internodal signaling coupling number according to the bandwidth of internodal demand bandwidth and signaling coupling.
Further, said method also can have following characteristics, when determining the bandwidth of signaling coupling between node, defines the bandwidth of this signaling coupling with bandwidth granularity T, promptly describes the bandwidth of signaling coupling with N*T.
Further, said method also can have following characteristics, when determining internodal demand bandwidth, defines this demand bandwidth with bandwidth granularity T, comes demand bandwidth between description node with M*T;
When determining that according to the bandwidth of internodal demand bandwidth and signaling coupling internodal signaling coupling is counted, obtain internodal signaling coupling number with M/N.
Further, said method also can have following characteristics, and described T is 64Kbps.
Further, said method also can have following characteristics, and the adaptation layer protocol that uses according to internodal signaling coupling is determined the bandwidth of signaling coupling between node, and this bandwidth is not more than the load-bearing capacity of this signaling coupling.
The present invention also provides a kind of signaling network planning system based on the IP carrying, comprising:
Demand bandwidth acquiring unit is used for the demand bandwidth between definite signaling network nodes;
Signaling coupling bandwidth acquiring unit is determined the bandwidth of signaling coupling between node;
Signaling coupling is counted determining unit, determines internodal signaling coupling number according to the bandwidth of internodal demand bandwidth and signaling coupling.
Further, said system also can have following characteristics, when signaling coupling bandwidth acquiring unit is determined the bandwidth of signaling coupling between node, defines the bandwidth of this signaling coupling with bandwidth granularity T, promptly describes the bandwidth of signaling coupling with N*T.
Further, said system also can have following characteristics, when described demand bandwidth acquiring unit is determined internodal demand bandwidth, defines this demand bandwidth with bandwidth granularity T, comes demand bandwidth between description node with M*T;
Signaling coupling is counted determining unit, when determining that according to the bandwidth of internodal demand bandwidth and signaling coupling internodal signaling coupling is counted, obtains internodal signaling coupling number with M/N.
Further, said system also can have following characteristics, and described T is 64Kbps.
Further, said system also can have following characteristics, and fast signaling coupling bandwidth acquiring unit is used for determining according to the adaptation layer protocol that internodal signaling coupling uses the bandwidth of signaling coupling between node, and this bandwidth is not more than the load-bearing capacity of this signaling coupling.
Adopt the method for the invention, the signaling coupling bandwidth ability is clear and definite, and has corresponding relation with traditional TDM link, and traditional No.7 signaling networking technology can be applied in the signaling network of future generation that carries based on IP easily.
Description of drawings
Fig. 1 is a short message service center from based on the planning schematic diagram of TDM to IP based network evolution, is used to illustrate the concrete application scenarios of implementing of the present invention.
Fig. 2 is a signaling network planning method flow chart of the present invention.
Embodiment
Technical scheme of the present invention is: when defining the SCTP coupling of a specific adaptation layer protocol, with this signaling coupling bandwidth of 64Kbps size definition, promptly describe the signaling coupling bandwidth with N*64Kbps; Calculate the TDM signaling link way of required 64Kbps according to the signaling message total bandwidth of signaling network demand, just can calculate required signaling coupling number easily by conversion.
Wherein, the definitions of bandwidth of coupling is that this SCTP coupling can the carrier signaling message load, and the load-bearing capacity of this SCTP coupling is not less than N*64Kbps.
Concrete enforcement below by drawings and Examples explanation the inventive method.
As shown in Figure 1, in the business network of tradition based on the TDM mode, the local sms center SC of office and the comprehensive ST1 of signal switching office, ST2 realize the short message service between local C net mobile subscriber by the TDM signaling link interconnection of 2Mbps.4 2M links are respectively arranged between SC and ST1, the ST2 in this example, and the load sharing mode realizes the signaling traffic intercommunication.
Because of traffic carrying capacity increases, upgrading has been done by local C net note office, and variation has taken place the professional presentation mode behind the upgrading.As shown in Figure 1, the business network after the upgrading adopts IP-based mode, and former SC upgrades to IP-AS, and receives user message from ISP1 and two ISTP signal switchings of ISP2 office.In the present embodiment, be that the signaling traffic amount will rise about one times to the demand of signaling network.
As shown in Figure 2, for the present invention is based on the signaling network planning method flow chart of IP carrying, specifically comprise:
Define this demand bandwidth with bandwidth granularity 64Kbps, come demand bandwidth between description node with M*64Kbps.
In the present embodiment, after the upgrading between IP-AS office and two ISP needed 2M number of links be 8, the TDM number of links M that is converted into 64Kbps is 8*32.
In the present embodiment, signaling plan determines to adopt between IP-AS and the ISP M2PA/SCTP mode to interconnect.
Define the bandwidth of this signaling coupling with bandwidth granularity 64kbps, promptly describe the bandwidth of signaling coupling with N*64kbps.Concrete N value is by the adaptation layer protocol decision of concrete equipment and employing thereof.The bandwidth of this signaling coupling is not more than the load-bearing capacity of this signaling coupling.
In the present embodiment, the TDM link of 32 64Kbps of a M2PA/SCTP signaling coupling equivalence, promptly signaling coupling bandwidth value N is 32.
Obtain signaling coupling number between node according to M/N.
In the present embodiment, M=8*32, N=32 can calculate SC and ISP1, ISP2 will plan 8 M2PA/SCTP signaling couplings respectively according to M/N.
Wherein, step 202,203 and step 204,205 between out-of-order relation.
Wherein, in the step 204, if determine to adopt between IP-AS and the ISP M3UA/SCTP to interconnect, in the step 205, definition M3UA/SCTP coupling equivalent bandwidth value N is 16, and the signaling coupling number that then calculates in the step 206 is 16.
Wherein, also can promptly use the demand bandwidth between the M*T description node, use N*T to describe the signaling coupling bandwidth based on demand bandwidth and the signaling coupling bandwidth between other bandwidth granularities T defined node, use M/N to obtain internodal signaling coupling number, T is not limited to 64Kbps.
Also can directly user demand bandwidth/signaling coupling bandwidth obtain the signaling coupling number, demand bandwidth 2M*8 for example, signaling coupling bandwidth 32*64Kbps, directly being divided by obtains signaling coupling several 8.
Adopt the method for the invention, the signaling coupling bandwidth ability is clear and definite, and has corresponding relation with traditional TDM link, and traditional No.7 signaling networking technology can be applied in the signaling network of future generation that carries based on IP easily.
Claims (10)
1. the signaling network planning method based on the IP carrying is characterized in that, comprising:
Determine the demand bandwidth between signaling network nodes;
Determine the bandwidth of signaling coupling between node;
Determine internodal signaling coupling number according to the bandwidth of internodal demand bandwidth and signaling coupling.
2. the method for claim 1 is characterized in that, when determining the bandwidth of signaling coupling between node, defines the bandwidth of this signaling coupling with bandwidth granularity T, promptly describes the bandwidth of signaling coupling with N*T.
3. method as claimed in claim 2 is characterized in that, when determining internodal demand bandwidth, defines this demand bandwidth with bandwidth granularity T, comes demand bandwidth between description node with M*T;
When determining that according to the bandwidth of internodal demand bandwidth and signaling coupling internodal signaling coupling is counted, obtain internodal signaling coupling number with M/N.
4. as claim 2 or 3 described methods, it is characterized in that described T is 64Kbps.
5. the method for claim 1 is characterized in that, the adaptation layer protocol that uses according to internodal signaling coupling is determined the bandwidth of signaling coupling between node, and this bandwidth is not more than the load-bearing capacity of this signaling coupling.
6. the signaling network planning system based on the IP carrying is characterized in that, comprising:
Demand bandwidth acquiring unit is used for the demand bandwidth between definite signaling network nodes;
Signaling coupling bandwidth acquiring unit is determined the bandwidth of signaling coupling between node;
Signaling coupling is counted determining unit, determines internodal signaling coupling number according to the bandwidth of internodal demand bandwidth and signaling coupling.
7. system as claimed in claim 6 is characterized in that, when signaling coupling bandwidth acquiring unit is determined the bandwidth of signaling coupling between node, defines the bandwidth of this signaling coupling with bandwidth granularity T, promptly describes the bandwidth of signaling coupling with N*T.
8. system as claimed in claim 7 is characterized in that,
When described demand bandwidth acquiring unit is determined internodal demand bandwidth, define this demand bandwidth, come demand bandwidth between description node with M*T with bandwidth granularity T;
Signaling coupling is counted determining unit, when determining that according to the bandwidth of internodal demand bandwidth and signaling coupling internodal signaling coupling is counted, obtains internodal signaling coupling number with M/N.
9. as claim 7 or 8 described systems, it is characterized in that described T is 64Kbps.
10. system as claimed in claim 6, it is characterized in that, fast signaling coupling bandwidth acquiring unit is used for determining according to the adaptation layer protocol that internodal signaling coupling uses the bandwidth of signaling coupling between node, and this bandwidth is not more than the load-bearing capacity of this signaling coupling.
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Citations (3)
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| CN101039267A (en) * | 2007-04-06 | 2007-09-19 | 华为技术有限公司 | Method and apparatus for managing virtual link based on IP |
| CN101094240A (en) * | 2007-08-07 | 2007-12-26 | 中兴通讯股份有限公司 | Method for implementing function of multiple attributions in stream control and transmission protocol |
| US20080205445A1 (en) * | 2007-02-28 | 2008-08-28 | Cisco Technology, Inc. | Optimizing TCP traffic via an SCTP association |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080205445A1 (en) * | 2007-02-28 | 2008-08-28 | Cisco Technology, Inc. | Optimizing TCP traffic via an SCTP association |
| CN101039267A (en) * | 2007-04-06 | 2007-09-19 | 华为技术有限公司 | Method and apparatus for managing virtual link based on IP |
| CN101094240A (en) * | 2007-08-07 | 2007-12-26 | 中兴通讯股份有限公司 | Method for implementing function of multiple attributions in stream control and transmission protocol |
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Application publication date: 20101020 |