[45481] in North American Network Operators' Group
Re: Reducing Usenet Bandwidth
daemon@ATHENA.MIT.EDU (Rafi Sadowsky)
Sat Feb 2 15:53:48 2002
Date: Sat, 2 Feb 2002 22:53:09 +0200 (IST)
From: Rafi Sadowsky <rafi-nanog@meron.openu.ac.il>
Reply-To: <nanog@merit.edu>
To: "Stephen J. Wilcox" <steve@opaltelecom.co.uk>
Cc: <nanog@merit.edu>
In-Reply-To: <Pine.LNX.4.21.0202022011550.9261-100000@staff.opaltelecom.net>
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Have you consider the Cidera solution ?
See <http://www.cidera.com/services/usenet_news/index.shtml>
(Basically the idea is satellite broadcast direct to the edge networks)
--
Rafi
>
> Hi all,
> as we all know Usenet traffic is always increasing, a large number of
> people take full feeds which on my servers is about 35Mb of continuous
> bandwidth in/out. That produces about 300Gb per day of which only a small
> fraction ever gets downloaded.
>
> The question is, and apologies if I am behind the times, I'm not an expert
> on news... how is it possible to reduce bandwidth used occupied by news:
>
> a) Internally to a network
> If I site multiple peer servers at exchange and peering points then they
> all exchange traffic, all inter and intra site circuits are filled to the
> above 35Mb level.
>
> b) Externally such as at public peering exchange points
> If theres 100 networks at an exchange point and half exchange a full feed
> thats 35x50x2 = 3500Mb of traffic flowing across the exchange peering LAN.
>
>
> For the peering point question I'm thinking some kind of multicast thing,
> internally I've no suggestions other than perhaps only exchanging message
> ids between peer servers, hence giving back a partial feed to the local
> box's external peers.
>
> Any thoughts?
>
> TIA
>
> Steve
>
>
>
