Patent ID: 8203932
Filing Date: 2012-06-19
Classification: H04L

Abstract:
1. A system for protection switching in Ethernet rings, the system comprising: a first Ethernet ring protection controller configured to output state information of a first Ethernet ring including first and second port management units and perform a protection switching function according to a protection switching priority level of an Ethernet ring; a second Ethernet ring protection controller configured to output state information of a second Ethernet ring including second and third port management units and perform a protection switching function according to a protection switching priority level of an Ethernet ring; and an Ethernet ring priority level determining unit configured to receive the state information of each Ethernet ring from the first and second Ethernet ring protection controllers, determine a protection switching priority level of each Ethernet ring according to the state information of each Ethernet ring, and transmit the determined protection switching priority level of each Ethernet ring to the first and second Ethernet ring protection controller.