On 06/22/2011 08:34 AM, Mark Smith wrote: >> I think it is a bit ironic that if a L2 device has to parse all extension >> headers, that then L2 switching of IPv6 packets will be more expensive that >> L3 routing them. > > It may be getting to the point where it'd probably be easier > to address these issues by taking away hosts' ability to multicast to > other hosts on the same segment i.e. switch to an NBMA/hub-and-spoke > mode of LAN operation, allowing the designated routers to also act as > traffic sanitisers for on-link inter-host traffic.
Two comments: * Hosts would still need to multicast RSs * This does nto prevent attackers from sending ND packets *unicast* to their victims. Thanks, -- Fernando Gont e-mail: ferna...@gont.com.ar || fg...@acm.org PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1 -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
