From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Date: Wed, 26 Sep 2007 13:28:59 +0000 Subject: Re: Header size of the data packet Message-Id: <20070926132859.GA8088@ghostprotocols.net> List-Id: References: <5bc4c4570709260619w27b29866l59bbff6747105a97@mail.gmail.com> In-Reply-To: <5bc4c4570709260619w27b29866l59bbff6747105a97@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable To: dccp@vger.kernel.org Em Wed, Sep 26, 2007 at 10:19:48AM -0300, =E3=83=84 Leandro Sales escreveu: > Hi, >=20 > according to ccid-4 internet draft, "the estimated header size on > data packets is 36 bytes (20 bytes for the IP header and 16 bytes for > the DCCP-data header with 48-bit sequence numbers). The header size > would be 32 bytes instead of 36 bytes when 24-bit sequence number were > used in the DCCP-data header." > In this case, how can I get this information if dccp will use > 48-bit or 24-bit sequence number? So far we're using only 48-bit sequence numbers. To keep your implementation simple, I suggest you do the same, i.e. don't worry about 24-bit sequence numbers for the time being. - Arnaldo