This might be a clue: PIM Sparse Mode (PIM-SM) is a multicast routing protocol designed on the assumption that recipients for any particular multicast group will be sparsely distributed throughout the network. In other words, it is assumed that most subnets in the network will not want any given multicast packet.
From: Steven Kenney via AF Sent: Wednesday, February 23, 2022 2:32 PM To: AnimalFarm Microwave Users Group Cc: Steven Kenney Subject: [AFMUG] Multicast Over Wireless So we are delivering IPTV unicast at the moment but I do have the ability to receive all the multicast streams. So I had been toying with the idea of actually using Multicast over wireless. I can get the multicast to the towers without an issue. Once it hits a Cambium AP (either 450 or ePMP) I'm not entirely sure how I can deliver this to my customers because the totality of the streams are in excess of 1Gbps. So being a bit new to multicast it makes me wonder how you could get an end user device to join a multicast stream...without a set top box. So we use Fire Sticks, Roku, Apple TV all over the top. I don't think the app even supports multicast yet. But I've been told it can be done, potentially at the router. Is this madness or is it really possible? How would a home router be able to convert and request joins of streams and deliver it unicast to multiple devices in the LAN? I definitely need to read up in IGMP in detail as to its sparse and dense modes. Right now we'd be receiving it all in dense mode. Anyone out there actually successfully deliver multicast via Cambium at this scale? (over 1Gbps stream data) -- Steven Kenney 158 Erie Street. N, Leamington st...@wavedirect.org | wavedirect.net 519-737-9283 NOTICE OF CONFIDENTIALITY This communication, including any attachments, is intended only for the use of the addressee(s) to this email and is confidential. If you are not an intended recipient or acting on behalf of an intended recipient, any review, disclosure, conversion to hard copy, dissemination, reproduction or other use of any part of this communication is strictly prohibited. If you receive this communication in error or without authorization, please notify the originator immediately and remove it from your system. -------------------------------------------------------------------------------- -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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