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1. 发明申请

US20070081465A1 System and method for detecting failures and re-routing connections in a communication network 有权
标题翻译：用于检测通信网络中的故障和重新路由连接的系统和方法
公开(公告)号：US20070081465A1
公开(公告)日：2007-04-12
申请号：US11635534
申请日：2006-12-08
申请人： Gary Puppa , Ken Dubuc , David Maxwell , Robin Park
发明人： Gary Puppa , Ken Dubuc , David Maxwell , Robin Park
IPC分类号： H04L12/26
CPC分类号： H04L41/0668 , H04L43/0811 , H04L45/22 , H04L45/28 , H04L45/50
摘要： A method of re-establishing a connection for a communication link is provided. The link has first and second portions, having the first portion in a first communication network, the second in a second communication network and an interface connecting first portion to the portion. The first communication network has a first communication protocol and a first OAM protocol to monitor integrity of the first portion. Similarly, the second communication network has a second communication protocol and a second OAM protocol. The method utilizes the second OAM protocol to detect a failure in the second portion. Upon detection of the failure, an alternate route for the second portion in the second communication network is identified, where the alternate route is able to complete the second portion of the communication link from the interface. For the communication link, at the interface the second portion is replaced with the alternate route.
摘要翻译：提供了一种重新建立通信链路的连接的方法。该链路具有第一和第二部分，第一部分在第一通信网络中，第二部分在第二通信网络中，以及将第一部分连接到该部分的接口。第一通信网络具有第一通信协议和第一OAM协议，用于监视第一部分的完整性。类似地，第二通信网络具有第二通信协议和第二OAM协议。该方法利用第二OAM协议来检测第二部分中的故障。在检测到故障时，识别第二通信网络中的第二部分的替代路由，其中备用路由能够从接口完成通信链路的第二部分。对于通信链路，在接口处，第二部分被备用路由替换。

2. 发明申请

US20060203717A1 System and method transmission of operations, administration and maintenance packets between ATM and switching networks upon failures 有权
标题翻译： ATM和交换网络故障后的操作，管理和维护报文的系统和方法传输
公开(公告)号：US20060203717A1
公开(公告)日：2006-09-14
申请号：US11417172
申请日：2006-05-04
申请人： Gary Puppa , Robin Park , Brett Cameron , Gatot Susilo
发明人： Gary Puppa , Robin Park , Brett Cameron , Gatot Susilo
IPC分类号： H04J1/16 , H04J3/16 , H04J3/14 , H04L12/56 , H04J3/22 , H04L12/28
CPC分类号： H04L12/5601 , H04L41/0226 , H04L41/0677 , H04L43/00 , H04L2012/5625 , H04L2012/5627 , H04L2012/5669 , H04Q11/0478
摘要： A system and method of notifying a first communication network of a fault related to a second communication network is provided. The first communication network is connected to the second communication network. The first communication network has a first OAM protocol adapted to monitor integrity of the first communication network and the second communication network has a second OAM protocol adapted to monitor integrity of the second communication network. The method includes detecting the fault related to the second communication network and generating a first OAM cell of the first OAM protocol indicating detection of the fault. The method further includes transmitting the first OAM cell to the first communication network to indicate the fault to the first communication network.
摘要翻译：提供了通知第一通信网络涉及第二通信网络的故障的系统和方法。第一通信网络连接到第二通信网络。第一通信网络具有适于监视第一通信网络的完整性的第一OAM协议，并且第二通信网络具有适于监视第二通信网络的完整性的第二OAM协议。该方法包括检测与第二通信网络相关的故障，并生成指示检测故障的第一OAM协议的第一OAM小区。该方法还包括将第一OAM小区发送到第一通信网络以向第一通信网络指示故障。

3. 发明授权

US5778003A Loop-back detection using out-of-band signalling 失效
标题翻译：使用带外信令的环回检测
公开(公告)号：US5778003A
公开(公告)日：1998-07-07
申请号：US413381
申请日：1995-03-30
申请人： Gary Puppa , Bruce Nolan , Fran.cedilla.ois Bessette , Robert Hemmerich
发明人： Gary Puppa , Bruce Nolan , Fran.cedilla.ois Bessette , Robert Hemmerich
IPC分类号： G06F11/20 , H04Q11/04 , G06F11/00
CPC分类号： G06F11/2005 , H04Q11/0407 , G06F11/2007 , H04Q2213/13003 , H04Q2213/13034 , H04Q2213/13076 , H04Q2213/13107 , H04Q2213/13141 , H04Q2213/1316 , H04Q2213/13166 , H04Q2213/13167 , H04Q2213/13213 , H04Q2213/13216 , H04Q2213/13217 , H04Q2213/13292 , H04Q2213/1332 , H04Q2213/13322 , H04Q2213/13396
摘要： A method is described for detecting a loopback condition in a trunk. A predetermined bit pattern is inserted in an outgoing channel, and a corresponding incoming channel is continually monitored to detect the presence of the predetermined bit pattern. In this way, premature restoration of faulty circuits can be prevented.
摘要翻译：描述了用于检测中继线中的环回状态的方法。预定位模式被插入到输出信道中，并且连续监视对应的输入信道以检测预定位模式的存在。以这种方式，可以防止故障电路的过早恢复。

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