[9793] in North American Network Operators' Group
Re: connectivity outside the US
daemon@ATHENA.MIT.EDU (Miguel A.L. Paraz)
Mon Jun 2 15:28:12 1997
From: "Miguel A.L. Paraz" <map@iphil.net>
To: generous@uucom.com (Curtis Generous)
Date: Tue, 3 Jun 1997 02:16:12 +0800 (HKT)
Cc: nanog@merit.edu
In-Reply-To: <199706021439.KAA14460@rolex.uucom.com> from "Curtis Generous" at Jun 2, 97 10:39:54 am
Hi,
Curtis Generous wrote:
> And with the push to use multicast across such high latency links, you
> can get better dessimination of some types of data which involve many
> sites within a satellite's foot print (e.g. nntp, ftp mirroring, db
> syncronization).
Or broadcasted web caching - people who subscribe get daily updates
to their favorite sites.
> There also is a new proposed spec for doing FTP using multicasting
> (MFTP - multicast FTP) which has been tested using some INTELSAT birds
> with good results. MFTP has also the characteristic of reduced
> sensitivity to long latency, but also to the bit error rate (BER) which
> is also a problem when using satellites.
Sounds good for push media, too --- without multicast, these will kill
international links.
--
miguel a.l. paraz <map@iphil.net> +63-2-893-0850
iphil communications, makati city, philippines <http://www.iphil.net>
