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Re: reserving some SAIDs
I have a different model in mind for multicast. Unless public
keys are used -- and they're too expensive for general bulk traffic
-- everyone in a multicast group has to share the same key. The
SAID is therefore redundant. I thus suggest using SAID 0 with
multicast to denote the per-address key. Non-zero keys would be
bound to the source/destination pair, and would be used with public
key, for low-volume transmissions. (I envision its use with things
like sd, where the sending rate is on the order of once per minute,
and the packet contents may not even change.)
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