RFC 145 Initial Connection Protocol 4 May 1971 l , l , and l , are links, m and m are messages allocations, b A B C B C B and b are bit allocations, and all other symbols are defined in C RFC #123. [This RFC is also available in .PS and. PDF format.] [ This RFC was put into machine readable form for entry ] [ into the online RFC archives by Lorrie Shiota] Postel