© 2006 Cisco Systems, Inc. All rights
reserved.
Cisco Confidential
Presentation_ID
3
IPv6 via IPv4
Service Provider Networks
§6to4
(RFC3056) was designed to offer IPv6 connectivity for sites who
could not obtain IPv6 from their Service Provider
§6rd
adapts 6to4 for Service Providers to deliver IPv6 via their
IPv4 Network