Invention Grant
- Patent Title: Resource reservation and maintenance for preferred path routes in a network
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Application No.: US17078838Application Date: 2020-10-23
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Publication No.: US11496388B2Publication Date: 2022-11-08
- Inventor: Uma S. Chunduri , Renwei Li , Alvaro Retana , Alexander Clemm , Lin Han , Yingzhen Qu
- Applicant: HUAWEI TECHNOLOGIES CO., LTD.
- Applicant Address: CN Shenzhen
- Assignee: HUAWEI TECHNOLOGIES CO., LTD.
- Current Assignee: HUAWEI TECHNOLOGIES CO., LTD.
- Current Assignee Address: CN Shenzhen
- Agency: Conley Rose, P.C.
- Main IPC: H04L45/12
- IPC: H04L45/12 ; H04L45/02 ; H04L45/00 ; H04L45/745 ; H04L47/72 ; H04L43/08 ; H04L45/44

Abstract:
A method implemented by a network element (NE) in a network receiving, by the NE, an advertisement comprising preferred path route (PPR) information describing a path from an ingress NE to an egress NE in the network, the PPR information comprising a PPR identifier (PPR-ID) and an attribute associated with a resource to be reserved on the PPR, transmitting, by the NE, the advertisement comprising the PPR-ID and the attribute associated with the resource to be reserved on the PPR to another NE in the network, and updating, by the NE, a local forwarding database to include the PPR information in association with the egress NE in response to the NE being identified in the PPR information.
Public/Granted literature
- US20210044537A1 Resource Reservation and Maintenance for Preferred Path Routes in a Network Public/Granted day:2021-02-11
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