Re: Anybody normally send packets with unused options?


MILLS@USC-ISID.ARPA
1 Apr 1986 22:16:48 EST


In response to the message sent Tue, 1 Apr 86 16:37:25 EST from mike@BRL.ARPA

Mike,

Cray may save a nanosecond or two when constructing a packet to send, but
it sure doesn't help when receiving a packet. The practice may be getting
popular as you say, but it's broken. Our Internet Toolbook should include
a chapter on how to compute checksums in wonderfully wierd ways for
TOPS-20s, Multices, Univax and Borroughs, not to mention a 7090 and
anything else with oddly sized words.

Dave
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