I-D ACTION:draft-arkko-mipv6-binding-lifetime-extension-00.txt

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	Title		: Credit-Based Authorization for Binding Lifetime Extension
	Author(s)	: J. Arkko, C. Vogt
	Filename	: draft-arkko-mipv6-binding-lifetime-extension-00.txt
	Pages		: 14
	Date		: 2004-5-21
	
Mobile IPv6 return routability mechanisms require home and care-of
   address keygen tokens to be used to authorize a binding update to
   correspondent nodes. The current rules dictate that such
   authorization be performed every seven minutes, using tokens at most
   three and half minutes old. This requirement results in an average
   signaling traffic of around 7 bits per second when the hosts are not
   moving around. This traffic load by itself is neglible, but can be
   problematic for hosts in standby mode. We present a secure and
   lightweight extension of return routability that can reduce this
   signaling load to around 0.1 bits per second, and require hosts to
   wake up much less frequently.

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