© 2006 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Presentation_ID
4
Light upward diagonal
6rd in one slide
L3 Edge
(IPv4)
6rd Border Relays
IPv4
IPv6 + IPv4 Network
§
user1
CE
IPv6 packet
user1
IPv6 packet
IPv6 packets
§IPv6 service in the home is essentially identical to native IPv6 service
§IPv6 Packets Follow IPv4 routing
§6rd Border Relay traversed only when exiting or entering a 6rd Domain
§6rd Border Relays are fully stateless, no limit on “number of subscribers” supported
§Border Relays may be placed in multiple locations, addressed via anycast.
§
Access
Node
SP IPv4 Network
6rd
6rd
6rd
IPv6
IPv6