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Re: Reducing Usenet Bandwidth

  • From: Rafi Sadowsky
  • Date: Sat Feb 02 15:55:13 2002

 Have you consider the Cidera solution ?
See <>
(Basically the idea is satellite broadcast direct to the edge networks)


> 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?
> Steve

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