[v6ops] transition-ipv4aas: IPv4 Multicast
"STARK, BARBARA H" <bs7652@att.com> Wed, 25 April 2018 22:00 UTC
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From: "STARK, BARBARA H" <bs7652@att.com>
To: V6 Ops List <v6ops@ietf.org>
Thread-Topic: transition-ipv4aas: IPv4 Multicast
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Date: Wed, 25 Apr 2018 19:01:08 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/0ZupTxg3Mv4KKB5mtOUzLpgijX4>
Subject: [v6ops] transition-ipv4aas: IPv4 Multicast
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The transition-ipv4aas draft has the following section: 6. IPv4 Multicast Support Actual deployments support IPv4 multicast for services such as IPTV. In the transition phase it is expected that multicast services will still be provided using IPv4 to the customer LANs. In order to support the delivery of IPv4 multicast services to IPv4 clients over an IPv6 multicast network, the IPv6 Transition CE router SHOULD support [RFC8114] and [RFC8115]. WAN to LAN IPv4 Multicast (such as used for delivery of IPTV) is not supported by many IPv4 CE routers today. Those that do "support" IPv4 multicast often do it poorly. Since I do not believe IPv4 CE routers, in general, should or can be expected to support delivery of IPv4 multicast services, I disagree that an IPv6 Transition CE Routers SHOULD support delivery of IPv4 multicast services. I suggest removing this entire section. Alternately, rephrase to say "If the IPv6 Transition CE Router supports delivery of IPv4 multicast services, then it SHOULD (MUST?) support [RFC8114] and [RFC8115]." Barbara
- [v6ops] transition-ipv4aas: IPv4 Multicast STARK, BARBARA H
- Re: [v6ops] transition-ipv4aas: IPv4 Multicast mohamed.boucadair