A Possible Replacement for Survivable Dual-Ring Networks

by Michael Kwok-Shing Ho & Kwok-Wai Cheung SPIE Newsroom, accessed 13 Jun 2006 The potential of a single network failure to severely disrupt the economy and security of an entire nation makes survivability and fault tolerance key requirements for any core datacom or telecom network. With today's technological prowess, there is no reason why a network cannot be planned to be fully-survivable. For example, Deutsche Telekom uses 1 + 1 route diversity to protect every link in its core network. More recently, dual-ring networks have been the solution of choice because they provide single-fault full-survivability and flexible bandwidth allocation among all nodes. Read more