公开(公告)号：US20150067178A1

公开(公告)日：2015-03-05

申请号：US14472275

申请日：2014-08-28

Applicant: Metaswitch Networks Ltd

Inventor： Colin TREGENZA DANCER ,  Jon ROWLAND ,  Ed HOLLAND ,  Paul CARTER

IPC: H04L29/06

CPC classification number: H04L65/1069 ,  H04L65/1006 ,  H04L65/1016 ,  H04L65/104 ,  H04L65/1046 ,  H04L65/1053

Abstract: Maintaining a list of communication session servers which are currently in an active state and which are currently in a failed state, and which are currently responsible for providing communication services to which subscribers. Receiving a query in relation to a communication session involving a subscriber. In response to the list indicating that a communication session server which is currently responsible for providing communication services to the subscriber currently has an active state, responding to the query with an identifier for the communication session server. In response to the list indicating that the communication session server currently has a failed state, conducting a responsibility transfer operation to transfer responsibility for providing communication services to the subscriber from the communication session server to a different communication session server and responding to the query with an identifier for the different communication session server.

Abstract translation: 维护当前处于活动状态并且当前处于故障状态的通信会话服务器的列表，并且当前负责为其提供通信服务的通信会话服务器的列表。 接收与涉及用户的通信会话相关的查询。 响应于列表，其指示当前负责向订户提供通信服务的通信会话服务器当前具有活动状态，用通信会话服务器的标识符来响应该查询。 响应于指示通信会话服务器当前处于故障状态的列表，进行责任转移操作以将从通信会话服务器向用户提供通信服务的责任传递给不同的通信会话服务器，并且响应于该查询 不同通信会话服务器的标识符。