A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : TTL Partition Security Mechanism
Author(s) : M. Fuyou
Filename : draft-miao-ttl-partition-01.txt
Pages : 11
Date : 2005-9-26
This draft proposes a TTL-number space ''partition'' mechanism to
shield the access control/management plane of a service provider's
(SP) core network from customer traffic. Provider edge routers limit
the TTL to a preset maximum value on_user_data packet that enters
core network, and the core network router drops packet with a TTL as
small as or smaller than preset value when the packet destination
address is the router itself. Since attack packets from a customer
site cannot reach the control plane or application of routers in the
SP core network, the control plane of the core network is secured
against the class of attacks originating outside the core network.
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