Network Protection

Network reliability and availability are often confused for many people. As an accurate definition, network reliability means how reliable a network is, which can be represented as a probability that the first failure occurs at a certain moment. In general, with time going on, the probability that the first failure occurs becomes higher and the [...]

For network protection, two aspects are important: (a) spare capacity pre-planned for restoration and (b) restoration speed for failure recovery. For the latter, the current protection or restoration techniques can be classified into two groups. One is pre-planned techniques and the other is pre-configured techniques. A pre-configured technique inherent embeds spare capacity pre-plan. The pre-planned [...]