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Title

OPTIMIZATION OF SIGNALING LOADSHARING IN SS7 NETWORK

Pages

  841-850

Keywords

SS7Q3
SLSQ3
MSUQ3
DPCQ3

Abstract

SIGNALING is the most important part of telecommunication networks and SIGNALING Number 7 is the most used SIGNALING protocol for telephone calls all over the world. Planning of SIGNALING network is very important for reliable PSTN (Public Switch Telephone Network) operation. One of the important issues in planning SIGNALING networks is the distribution of SIGNALING load on SIGNALING links and linksets. LOADSHARING of SIGNALING links in SS7 network is done according to ITU-T standards by four bits of SLS (SIGNALING Link Selection) field of SS7 messaging unit. Maximum number of simultaneous SS7 links between two SPs (SIGNALING Point) is 16 links. For having redundancy there is two linksets connecting two SPs through STPs (Signal Transfer Point).In this case each linkset can have maximum 8 SS7 links. This paper at first explains the fundamental of SIGNALING LOADSHARING according to ITU-T standards and its limitation then recommends a new method for overcoming 8 links limit in each linkset by dividing DPCs (Destination Point Codes) into two groups. By reversing the order of SS7 signal routing of two DPC groups in each linkset, it is possible to equally distribute SIGNALING load to 16 links in each linkset (totally 32 equally loadhsared links in two linksets). The advantage of new suggested method is to increase efficiency and to overcome existing ITU-T standards limitation. By using this method, there is no need to upgrade to MPC (Multiple Point Code) or any other software patch. The results of practical implementation of mentioned method are included in paper.

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    APA: Copy

    KHALILI, REZA, SHIRAZI, MAHDI, & SALAHI, AHMAD. (2009). OPTIMIZATION OF SIGNALING LOADSHARING IN SS7 NETWORK. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 42(7 (117)), 841-850. SID. https://sid.ir/paper/14114/en

    Vancouver: Copy

    KHALILI REZA, SHIRAZI MAHDI, SALAHI AHMAD. OPTIMIZATION OF SIGNALING LOADSHARING IN SS7 NETWORK. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2009;42(7 (117)):841-850. Available from: https://sid.ir/paper/14114/en

    IEEE: Copy

    REZA KHALILI, MAHDI SHIRAZI, and AHMAD SALAHI, “OPTIMIZATION OF SIGNALING LOADSHARING IN SS7 NETWORK,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 42, no. 7 (117), pp. 841–850, 2009, [Online]. Available: https://sid.ir/paper/14114/en

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