> -----Original Message----- > From: Colin Perkins [mailto:csp@xxxxxxxxxxxxx] > Sent: Thursday, February 21, 2008 5:32 PM > To: Phelan, Tom > Cc: Dan Wing; 'dccp' working group > Subject: Re: DCCP-over-UDP [was draft-phelan-dccp-natencap-00.txt] > > On 21 Feb 2008, at 21:55, Phelan, Tom wrote: > ... > >>> I worry that the DCCP-UDP port might need to be different than the > >>> DCCP-RAW port. Are you expecting them to always be the same? That > >>> should be a reasonable assumption most of the time, but I worry it > >>> might not work in some case. > >> > >> I am expecting them to always be the same. My model is that a each > >> instance of the DCCP transport can either send packets natively over > >> IP, or tunnelled over UDP. Since it's a single transport instance, > >> the same port space would be used for encodings of the data. > >> > > [Tom P.] As I said in another e-mail, if you make the UDP port > > equivalent to the DCCP port, that means you can't have UDP apps. I > > don't think that's a workable solution. > > Sure - I was agreeing: use a single DCCP port space, no matter > whether native or tunnelled. That only uses one UDP port. > [Tom P.] Oh, my misunderstanding, sorry. > -- > Colin Perkins > http://csperkins.org/ >
