1. 1 Link Scoped IPv6 Multicast Addresses Jung-Soo Park, Myung-Ki Shin ETRI 54th IETF – Yokohama, Japan draft-ietf-ipv6-link-scoped-mcast-01.txt

2. 2 History IETF52, December 2001 –Individual draft was presented IETF53, March 2002 –Accepted as a working group document covers link-local scope –Title was changed according to Bob’s comment IETF54, July 2002 –Revised version(01) was published (editorial changes)

3. 3 Link Scoped Multicast Addresses –flgs field should use the same flags defined in unicast prefix-based method – –interface ID field is derived from unicast address 11111111group IDflgs 8-bit 4-bit 64-bit scop 4-bit Interface ID 32-bit reserved 16-bit

4. 4 Multicast Scope Our draft scope –Covers link-local scope scope <= 2 cf) Unicast prefix-based multicast – –Does not cover link-local scope scope > 2

5. 5 Next Steps Ready for wg last call –Proposed standard –Cf., “Unicast prefix based multicast addresses” has been already approved by IESG (now, RFC editor queue) Implementations –We’re implementing in Linux 2.4.18 –First code will be available on October or so