A Research On SUPA Traffic Engineering Message Protocol Based On The Measuring

Since the1990s, with the rapid development of the computer network which is represented by the Internet, the Internet Service Provider (ISP) has gained unprecedented business opportunities. At the same time, it also has higher requirements for the backbone network. Nowadays, people hope the Internet not only provide the service of the existing web pages browsing, file transfer, E-mail and so on, but also provide better bandwidth and real-time business.For the existing Internet three or two layers user-data switching platform, which has a poor efficiency in transmission and is difficult to guarantee real-time data stream transmission and the quality of exchange service, the Network Communication Technology Key Laboratory of Southwest Jiaotong University proposes a technology named "Ethernet-oriented Physical Frame Timeslot Switching Technology (EPFTS)". This technology, as the core of the "single physical layer user-data switching platform architecture", makes up for the existing network architecture in quality of service guarantee.SUPANET builds up an quality of service guarantee system by combining of the switching mechanism of U-Platform (User-data switching Platform) and application-layer enhanced special protocols in S&M-platform (Signaling&Management-Platform) with the out-of-band signaling concept. For its disadvantages, the author proposes an important protocol on the Signaling&Management platform--Traffic Engineering Message Protocol(TEMP) by learning from the classic of current network technology.This paper discusses the way of clock synchronization in SUPANET. According to the core idea of "PIGGYBACKING" technology, we achieve the user data incidentally measurement methods in SUPANET and define a multiplexed format of the ahead of field2and the ahead of field3. This paper defines the node congestion status by load factor, and gives the corresponding judgment basis. In addition, this paper also designs the flow assignment strategy in the TEMP. According to the characteristics of SUPANET quality of service guarantee system, this paper analyzes the TEMP processing flow of congestion and the cooperation way with other protocols on the credit control management platform when SUPA nodes are under different congestion degree. Then, we design the protocol data unit of TEMP, explain the main function of various types of packets, and introduce the workflow of TEMP. Finally, through the OPNET simulation experiment, we preliminarily prove the feasibility of TEMP agreement.