SkyCache/Cidera replacement?
Robert Bonomi
bonomi at mail.r-bonomi.com
Mon Sep 20 22:10:23 UTC 2004
> From owner-nanog at merit.edu Mon Sep 20 14:37:38 2004
> Date: Mon, 20 Sep 2004 15:31:03 -0400 (EDT)
> Subject: Re: SkyCache/Cidera replacement?
>
> > Hadn't it gotten to the point shortly before Cidera folded that the
> > satellite bandwidth was so insufficient for a "full feed" that it was of
> > questionable value?...or was it still fine if you wanted a usenet feed
> > with no binaries?
>
> Probably. Yes.
>
> IIRC, a full feed of usenet (3 years ago) was approx 250GB+ per day. The
> overwhelming majority of that was multi-part binaries. Cut them out and
> you should have plenty of room across the transponder, which (again, 3
> years ago) was capable of DS3 capacity.
>
According to contacts at some of the big outsourcing providers, bandwidth
reqirement for a 'full feed' these days, substantially exceeds the capacity of
100mbit full-duplex ethernet. something like 1.5+TB/day. Growth rate in still
excess of 30% annually. Most of the recent traffic growth coming from Denmark.
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