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Practical Experience
Linux supports 1(b)
Would support 1(a) with a kernel patch
Needs implementation guidance in the GIST spec to handle other future UDP users of RAO correctly
FreeBSD supports 1(a/b) trivially
Since it completely ignores the RAO …
Experiments with a commercial router from A Major Manufacturer support at least 1(b)
We can run GIST Q-mode packets across the Internet without ICMP errors
E.g. San Diego to Romsey, several other locations
There are problems of packet disappearance, but these could equally be caused by firewalling behaviour
PPT Version