yup, it's a protocol.
On Aug 26, 2005, at 2:57 PM, Templin, Fred L wrote:
instead of (re)using the IPv4 header bits as currently specified, a small (8 bytes or less) L2.5 header that sits above the IPv4 header could be defined with:
- a segment ID field (i.e., instead of using the fragment offset bits as in the current draft) - a "more fragments" bit - flow identifier fields - a next header field - etc.