[e2e] ICMP & TCP segments with IP ID = 0?
braden at ISI.EDU
Wed May 16 10:41:14 PDT 2001
*> i think this is one of those "be conservative in what you send" things. the
*> conservative thing to do, i would argue, is to obey the principle of least
*> surprise and send unique IDs; this is what systems expect, orthogonal from DF
*> or not DF. (of course, the rest of the world should obey the second half: "be
*> liberal in what you accept", and so deal with ID == 0.)
*> not everything is (or can be) written down. but, as i found out to my
*> incredible embarrassment with the telnet client in 4.3BSD [it *still* turns my
*> face red when i think of it!], if you find yourself going out of your way to
*> do something "out the ordinary" (out of the expected), it may well be the
*> "wrong" thing to do.
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