[9843] in North American Network Operators' Group
Re: satellite connections
daemon@ATHENA.MIT.EDU (Brett D. Watson)
Thu Jun 5 11:51:47 1997
To: "Miguel A.L. Paraz" <map@iphil.net>
cc: spsprunk@paranet.com (Stephen Sprunk), nanog@merit.edu
From: "Brett D. Watson" <bwatson@genuity.net>
Reply-To: bwatson@genuity.net
Date: Thu, 05 Jun 1997 08:47:41 -0700
> Hi,
>
> Stephen Sprunk wrote:
>
> > I'm not sure how many TCP/IP stacks still set those bits; it may be
> > necessary to have a router manipulate the bits after examining the port
> > numbers of a connection.
>
> Looks like a good place to use access lists that choose packets based on
> tcp, udp, and port number. If I could get a 45 Mbps circuit over high-latency
> geosatellite, one-way, I could use it for http and "push" traffic.
> The requests, outbound stuff, and interactive traffic would fit into a T1
> under the ocean.
if you're interested in that, cisco's new CoS stuff uses precedence
(extended access lists, mac address, ports numbers) to do just such a
thing. it would be most useful if isp's could have concensus on the
precedence "classes" to work across the multiprovider internet (may
not be practical though).
-brett