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I-D ACTION:draft-owens-te-network-survivability-02.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Internet Traffic Engineering Working Group of the IETF.

	Title		: Network Survivability Considerations for Traffic 
                          Engineered IP Networks
	Author(s)	: K. Owens, V. Sharma, M. Oommen
	Filename	: draft-owens-te-network-survivability-02.txt
	Pages		: 20
	Date		: 06-May-02
	
Network survivability refers to the capability of the network to 
maintain service continuity in the presence of faults within the 
network [1]. This can be accomplished by recovering quickly from 
network failures quickly and maintaining the required QoS for existing 
services. With the increasing sophistication of network technologies, 
survivability capabilities are becoming available at multiple layers, 
allowing for protection and restoration to occur at any layer of the 
network. This makes it important to: scrutinize the recovery features 
of different network layers, understand the pros and cons of performing 
recovery at each layer, and assess how the interactions between layers 
impact network survivability. With these objectives in mind, this draft 
examines the considerations for network survivability at different 
layers of the network.

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