At 12:27 PM 3/28/98 -0500, IETF wrote:
>So, I highly suggest that this WG formalize the requirement
>that the TCPSAT group expects a certain BER over a certain
>time period (or a table of these requirements) e.g.
>
>BER PERIOD (example only, for illustrative purposes only)
>
>10^-9 1 hour
>10^-6 1 month
>10^-3 2 years
>
>This is the foundation of most of the assumptions, requirements,
>etc. in satcom links, IMHO.
>
>Regards!
>Tim
>
Tim, et al-
I'm butting in and responding to this just in case Enrique Cuevas doesn't
see it. As many of you know, this type of "performance mask" is specified
for satellite systems operating above 1.544/2 Mbps by ITU-R S.1062 and
ITU-T G.826 (and maybe some new ones I'm not familiar with). This is
handled in the ITU-R for satellites by Working Party 4B, of which Enrique
is the US Chairman. Since that group has formally offered to work with
TCPSAT and IETF on this subject, this might be a very good time to take
them up on it. It would be really nice, someday, to have performance masks
that were "harmonized" and could support SDH, ATM *and* TCP/IP.
If I'm already "behind the times" let me know; I just thought it worth
mentioning!
Cheers,
Eric
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Eric Bobinsky
Terasphere Corp.
Telephone (440) 243-2992 343 W. Bagley Road, Suite 405
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Alternate: [email protected]
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