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Configuration Guide - Reliability

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, EFM Configuration, and CFM Configuration.
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Levels of Reliability Requirements

Levels of Reliability Requirements

There are three requirement levels according to the objective and implementation. 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

The reliability requirements at level 1 need to be considered during network device design and production; the reliability requirements at level 2 need to be considered during network architecture design; the reliability requirements at level 3 are met using reliability technologies according to the network architecture and service characteristics during network deployment.

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Updated: 2019-04-03

Document ID: EDOC1100075366

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