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Routing using segment-based metrics

A routing and router technology, applied in transmission systems, electrical components, etc., can solve problems such as difficult service configuration expansion

Active Publication Date: 2022-02-01
128 TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This can make it difficult to scale a service configuration to a large number of SSRs

Method used

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  • Routing using segment-based metrics
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  • Routing using segment-based metrics

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Embodiment Construction

[0039] definition

[0040] As used in this specification and the appended claims, unless the context requires otherwise, the following terms shall have the indicated meanings:

[0041] STEP stands for Service and Topology Exchange Protocol, which is used to describe the distribution of various types of service and topology state information within and between routers and for the use of such distributed services and topologies in making intelligent routing decisions Various mechanisms for state information.

[0042] An authority is a single administrative domain that includes a collection of routers; generally analogous to an Autonomous System (AS) in a BGP network. An authority can be a single network, a collection of networks, or a single administrative entity for a group of routers. In an exemplary embodiment, authorities are named using text strings. Authority names are unique and can be assigned / managed by a naming authority or other technology that guarantees uniquenes...

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Abstract

A router advertises an aggregated service or route that can be evaluated by other routers as a unitary segment rather than as a group of individual links / paths associated with the aggregated service or route. The aggregated service or route can be based on service and topology state information received from one or more other routers and can be advertised with the router as the nexthop for the aggregated service or route. The router can advertise an aggregated metric for the aggregated service or route for use in such evaluation. An aggregated route can be associated with different aggregated metrics for different services.

Description

[0001] Cross References to Related Applications [0002] This patent application is related to U.S. Patent No. 4094 / 1014, entitled "NAME-BASED ROUTING SYSTEM ANDMETHOD," filed February 26, 2016, and naming MeLampy, Baj, Kumar, Penfield, and Timmons as inventors Related is patent application Ser. No. 15 / 054,781 (now issued as US Patent No. 9,985,883), the disclosure of which is incorporated herein by reference in its entirety. [0003] This patent application is also related to U.S. Patent No. 4094 / 1011, filed August 24, 2015, entitled "Network Packet FlowController with Extended Session Management," and naming Kaplan, Kumar, Timmons, and MeLampy as inventors Related is patent application Ser. No. 14 / 833,571 (now issued as US Patent No. 9,762,485), the disclosure of which is incorporated herein by reference in its entirety. technical field [0004] The present disclosure generally relates to routing using segment-based metrics. Background technique [0005] Routing platfor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L45/00H04L45/741H04L45/02H04L45/74
CPCH04L45/02H04L45/04H04L45/42H04L45/03
Inventor H·S·卡普兰A·梅农P·蒂蒙斯M·巴伊R·彭菲尔德P·梅兰派
Owner 128 TECH
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