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S12700 V200R013C00 Configuration Guide - Reliability

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, NSR Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, MAC Swap Loopback Configuration, EFM Configuration, CFM Configuration, Y.1731 Configuration.
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Levels of Reliability Requirements

Levels of Reliability Requirements

There are three requirement levels according to the objective of the implementation and the implementation itself. Table 1-1 lists three levels of reliability requirements.

Table 1-1  Levels of reliability requirements

Level

Objective

Implementation

1

Fewer faults in the system software and hardware

  • Hardware: simplified circuit design, improved production technique, and reliability test
  • Software: software reliability design and test

2

No impact on the system when a fault occurs

Device and link redundancy design, switchover policy, and switchover success rate

3

Rapid recovery from a fault that affects the system

Fault detection, diagnosis, isolation, and recovery

All three levels of reliability must be considered during different stages of building a network:

  • Level 1 when designing and producing network devices
  • Level 2 when designing network architectures
  • Level 3 when using reliability technologies during network deployment
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Updated: 2019-04-08

Document ID: EDOC1100065654

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