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NE40E V800R010C10SPC500 Feature Description - Network Reliability 01

This is NE40E V800R010C10SPC500 Feature Description - Network Reliability
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Overview of the Uninterruptible Service Technology

Overview of the Uninterruptible Service Technology

Definition

Uninterruptible service technologies are a type of high availability (HA) technology that ensures service continuity when a device performs a protocol restart or AMB(Active Main Board)/SMB(Slave Main Board) switchover.

Purpose

With the rapid development of networks and the diversification of applications, various value-added services, such as Internet Protocol television (IPTV) and video conferencing, have become so vastly widespread. Any network service interruption can cause immeasurable loss to users, resulting in the increase of user demands for network infrastructure reliability.

During a protocol restart or AMB/SMB switchover on a device, adjacency flapping occurs at the routing protocol layer. Adjacency flapping causes route flapping, which may lead to blackhole routes on a restarting device or cause data services from neighboring devices to be bypassed on a restarting device, causing service interruptions and deteriorating the network reliability.

The uninterruptible service technology resolves route flapping and ensures service continuity, meeting carriers' HA requirements for networks.

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Updated: 2019-01-03

Document ID: EDOC1100055045

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