how can i represent the first field of an ip-header "version"
in ASN.1 ?
my mentor said, that INTEGER is not recommend.
Dear Mr. Yilmaz:
I'm no expert in IP stuff, but it looks like a simple 4-bit field, where
each (actually most) value has a meaning. I would use either
- INTEGER with named values, or
- ENUMERATED.
Since individual bits don't appear to have meaning, I would not use BIT
STRING.
Since it's only 4 bits long, none of the BER-ish (BER, DER, CER) encoding
rules is suitable. You would use PER.
Note that I have only looked at the version field. I have not taken a look
at any of the other ip-header fields.
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