[zeromq-dev] Unreliable multicast was: udp not enabled on Mac OS X 10.6

Steven McCoy steven.mccoy at miru.hk
Sat Mar 6 02:35:17 CET 2010

On 6 March 2010 02:17, Chris Wong <chris at chriswongstudio.com> wrote:

> > No. You need no negotiation. Receiver just has to handle first seqnum it
> > sees as beginning of the stream and wait for following packet. Any
> > larger seqnum means the stream is disrupted at that point. Any lower
> > seqnum means the sender was restarted.

PGM is still the best choice.  You can disable NAK generation, and use a
small window sufficient in size to order a contiguous APDU.  More
importantly you still need SPMs due to outstanding defects with Cisco
routers in order to maintain multicast state.

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