Re: connectivity outside the US

["Miguel A.L. Paraz" <map () iphil net>]

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>