Invention Grant
- Patent Title: Reverse notification tree for data networks
- Patent Title (中): 数据网络的反向通知树
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Application No.: US11838328Application Date: 2007-08-14
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Publication No.: US07881184B2Publication Date: 2011-02-01
- Inventor: Kenneth R. Owens , Srinivas V. Makam , Changcheng Huang , Vishal Sharma
- Applicant: Kenneth R. Owens , Srinivas V. Makam , Changcheng Huang , Vishal Sharma
- Applicant Address: US IL Naperville
- Assignee: Tellabs Operations, Inc.
- Current Assignee: Tellabs Operations, Inc.
- Current Assignee Address: US IL Naperville
- Agency: Hamilton, Brook, Smith & Reynolds, P.C.
- Main IPC: H04J1/16
- IPC: H04J1/16 ; H04J3/14

Abstract:
Recovery time upon the failure of a link or switching system in an asynchronous data network can be minimized if downstream data switches provide upstream messages indicating to upstream switching system that the downstream traffic arrived in tact and was properly handled. Upon this loss or failure of the upstream status message to an upstream switching system, an upstream switching system can reroute data traffic around a failed link or failed switch with a minimal amount of lost data. The upstream status message is conveyed from a downstream switching system to an upstream switching system via a reverse notification tree data pathway.
Public/Granted literature
- US20090147777A1 Reverse Notification Tree for Data Networks Public/Granted day:2009-06-11
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