satellite connections

Brett D. Watson bwatson at
Thu Jun 5 15:47:41 UTC 1997

> 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).


More information about the NANOG mailing list