发明名称 Methods, systems, and computer readable media for providing sedation service in a telecommunications network
摘要 Methods, systems, and computer readable media for providing sedation service in a telecommunications network are disclosed. According to one aspect, a method for providing sedation service in a telecommunications network is provided. The method includes steps that are performed at a session initiation protocol (SIP) sedation node. The method includes receiving a first message sent from a SIP user agent and intended for a SIP server. The method further includes determining whether the SIP server is unavailable. The method further includes responsive to a determination that the SIP server is unavailable to respond to the first message, sending, to the SIP client, a SIP sedation message for reducing the number or frequency of messages sent by the SIP user agent to the SIP server.
申请公布号 US9001664(B2) 申请公布日期 2015.04.07
申请号 US200912533617 申请日期 2009.07.31
申请人 Tekelec, Inc. 发明人 Sparks Robert J;Campbell Ben Allen;Roach Adam B.;Deo Ajay P.
分类号 H04L12/26;H04L29/06;H04L29/14 主分类号 H04L12/26
代理机构 Jenkins, Wilson, Taylor & Hunt, P.A. 代理人 Jenkins, Wilson, Taylor & Hunt, P.A.
主权项 1. A method for providing sedation service in a telecommunications network, the method comprising: at a session initiation protocol (SIP) sedation node separate from a SIP user agent and one or more SIP servers: using an anycast address that is also used by the one or more SIP servers;receiving a first message sent from the SIP user agent and intended for one of the one or more SIP servers, the first message comprising a registration request or a subscribe request;determining whether, due to failure of the one or more SIP servers or failure of a communication link to the one or more SIP servers, the one or more SIP servers are unavailable to respond to the first message and unable to provide notification of their unavailability;responsive to a determination that the one or more SIP servers are unavailable to respond to the first message, sending, to the SIP user agent, a SIP sedation message for reducing the number or frequency of messages sent by the SIP user agent to the anycast address, wherein an anycast router sends messages received from the user agent and addressed to the anycast address to the SIP sedation node when the one or more SIP servers are unavailable.
地址 Morrisville NC US