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CLI-based Configuration Guide - Reliability

AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009

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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: 2019-05-17

Document ID: EDOC1000174116

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