Multicast was also required for earlier versions of VXLAN. But later versions or VXLAN only require unicast.
For the far future it seems like Named Data Neworking, Content Centric Networking, Information Centric Networking, Data Centric Networking etc all list multicast as a requirement or fundamental part of their architecture. > On Aug 8, 2018, at 4:15 PM, Greg Shepherd <gjs...@gmail.com> wrote: > > Financial exchanges around the world use multicast. > > On Wed, Aug 8, 2018 at 1:31 PM, Stan Barber <s...@academ.com> wrote: > >> As someone else remarked, part of this will depend on the type of network >> you are profiling. One enterprise networking may have critical internal >> applications that depend on multicast to work and others may have nothing >> but the basic requirements of the network itself (e.g. IPv6 uses multicast >> instead of broadcast for some network control information distribution). >> >> On Wed, Aug 8, 2018 at 11:49 AM, Mankamana Mishra (mankamis) via NANOG < >> nanog@nanog.org> wrote: >> >>> Hi Every one, >>> Recently we had good discussion over multicast uses in public internet. >>> From discussion, it was pointed out uses of multicast is more with in >>> enterprise. Wanted to understand how much % multicast traffic present in >>> network >>> >>> * If there is any data which can provide what % of traffic is >>> multicast traffic. And if multicast is removed, how much unicast traffic >> it >>> would add up? >>> * Since this forum has people from deployment area, I would love to >>> know if there is real deployment problems or its pain to deploy >> multicast. >>> >>> >>> These questions is to work / discussion in IETF to see what is pain >> points >>> for multicast, and how can we simplify it. >>> >>> >>> >>> Thanks >>> Mankamana >>> >>> >> --- Bruce Curtis bruce.cur...@ndsu.edu Certified NetAnalyst II 701-231-8527 North Dakota State University