30 likes | 203 Views
DAD And Packet Triplication draft-yourtchenko-chown-rupik-v6ops-dad-3x-00 IETF 90 – Toronto Jul 2014. Andrew Yourtchenko, ayourtch@cisco.com Tim Chown , tjc@ecs.soton.ac.uk Seb Rupik snr@ecs.soton.ac.uk. 1. Overview. Corner case network misbehavior Reflect mcast back to host 3x
E N D
DAD And Packet Triplication draft-yourtchenko-chown-rupik-v6ops-dad-3x-00 IETF 90 – Toronto Jul 2014 Andrew Yourtchenko, ayourtch@cisco.com Tim Chown, tjc@ecs.soton.ac.uk SebRupiksnr@ecs.soton.ac.uk 1
Overview • Corner case network misbehavior • Reflect mcast back to host 3x • RFC4862 treats 3x+ replication as DAD fail • Different reactions of hosts 2 IETF90 - draft-yourtchenko-chown-rupik-v6ops-dad-3x-00
Questions • Which host behavior is “better” ? • yank the address on DAD failure • continue working on DAD failure • Is this corner case worth taking further care of ? • draft-ietf-6man-enhanced-dad 3 IETF90 - draft-yourtchenko-chown-rupik-v6ops-dad-3x-00