The Design And Improvement Of SDH Self-Healing Ring

This article is a Jingru Bai dissertation summary of the source of research studies for free. Self-healing because of its automatic fault recovery, high reliability, network flexibility, perform simple characteristics, making it the most commonly used SDH network networking program, which in the telecommunications transmission network to get a wide range of applications. This paper studies the different types of SDH self-healing ring network topology characteristics, protection switching theory, switching time and capacity analysis, its principles, characteristics, and their differences in-depth analysis and research. Compared in several self-healing features, a variety of self-healing applications of the views and suggestions. Text in order to Fiberhome Telecommunication Technology Co., independent research and development production of transmission equipment (GF2488-01B) as the background, detailed analysis and elaboration of several key protection ring structure of a unidirectional path protection ring, bidirectional multiplex section protection ring, the virtual channel guard ring, as well as self-healing ring exchange, etc. In practice, a network application and design, and presented their respective networks, switching mechanism and capacity characteristics. Especially for a user to optimize the design of SDH self-healing network, network security risks and other drawbacks exist, has raised its optimization tips, greatly enhancing the security and stability of the network. In this paper, both theory and application design perspective, described the working principle of self-healing, self-healing in the real group demonstrated the necessity and importance of network applications. At the same time, we also see, SDH network topology, protection mode is generally dedicated to protect, to a single point of failure has a very good protection, but it can not cope with more than two fault protection, how to SDH self-healing fiber optic cable routing designed to compensate for this topology on the set, this paper has done a more in-depth analysis. How to implement effective network protection and recovery, how to achieve and realize self-healing networks, distributed protection and the protection of intelligent dynamic allocation of bandwidth, how to enable the protection of the structure to achieve interoperability, etc, are in the future optical network survivability technology development priorities.