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SubjectRe: [PATCH 0/10] af_unix: add multicast and filtering features to AF_UNIX
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From: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Date: Thu, 01 Mar 2012 14:56:11 +0100

> We could use AF_INET multicast on a local machine but we need some
> ordering and control flow requirements that are not guaranteed on UDP
> multicast over IP. That's why we thought to add a new address family
> AF_MCAST.

None of this makes any sense to me.

Unless you have infinite amounts of memory you have to handle packet
drops, and the same things that handle packet drops on a protocol
level can handle out-of-order delivery too.

Stop reinventing the wheel, use facilities that exist already.


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