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SubjectRe: [PATCH 0/10] af_unix: add multicast and filtering features to AF_UNIX
From: Javier Martinez Canillas <>
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

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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