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    • 3. 发明申请
    • ONE TO MANY OAM/PROTECTION INTER-WORKING FUNCTION
    • 一个多的OAM /保护互联功能
    • WO2013068799A1
    • 2013-05-16
    • PCT/IB2012/002083
    • 2012-10-16
    • NOKIA SIEMENS NETWORKS ETHERNET SOLUTIONS LTD.SHABATY, LiorSHUKI, PelesPING, Jia Zhi
    • SHABATY, LiorSHUKI, PelesPING, Jia Zhi
    • H04L12/24
    • H04L41/0663H04L12/4641
    • A novel and useful one-to-many OAM/protection inter-work function (IWF). The mechanism stitches a single OAM session (e.g., a continuity check message (CCM) session) on a multi-traffic class (TC) M-domain to multiple OAM-sessions (which monitor different transport entities or connections) on a single-TC S-domain using duplication and filtering of OAM messages at the ENNI. Using the OAM sessions, protection decision manipulation is performed to coordinate the protection decisions of the different connections serving the different TCs of the same S-domain endpoint. The manipulation includes manipulating fields in one OAM-session as a function of information gained from an OAM-session monitoring a different transport entity such that the first connection is forced to follow protection decisions based on the second OAM-session. Bundled single-TC connections are forced to take protection decisions that steer user traffic through transport entities provisioned in advance to share the same fate in the event of link or equipment failures.
    • 一种新颖有用的一对多OAM /保护互动功能(IWF)。 该机制将多业务类(TC)M域上的单个OAM会话(例如,连续性检查消息(CCM)会话))拼接到单个TC上的多个OAM会话(其监视不同的传输实体或连接) S-domain在ENNI上使用OAM消息的复制和过滤。 使用OAM会话,执行保护决策操纵以协调为同一S域端点的不同TC服务的不同连接的保护决策。 该操作包括根据从监视不同传输实体的OAM会话获得的信息的功能来操纵一个OAM会话中的字段,使得第一连接被强制地遵循基于第二OAM会话的保护决定。 捆绑的单TC连接被强制采取保护决策,通过预先提供的传输实体来引导用户流量,以在链路或设备故障的情况下共享相同的命运。