I-D ACTION:draft-hayata-ipo-carrier-needs-00.txt

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	Title		: Carrier Needs Regarding Survivability and Maintenance 
                          for Switched Optical Networks
	Author(s)	: H. Ishimatsu et al.
	Filename	: draft-hayata-ipo-carrier-needs-00.txt
	Pages		: 
	Date		: 17-Nov-00
	
As discussed in [1], the need for survivable optical networks is 
critical, and introducing capabilities that further enhance network 
survivability continues to be an essential objective.   This is 
particularly important for operators with stringent requirements for 
network resilience and service survivability.  However, disruption of 
service can result not only from faults, but also from scheduled 
maintenance procedures. This draft introduces some additional 
considerations and carrier needs related to failure recovery and 
scheduled maintenance work in switched optical networks. These are of 
critical importance for serving -business customers who require super 
high quality service assurance and pay correspondingly high tariffs in 
order to guarantee this level of QoS.

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