In message <[EMAIL PROTECTED]>, Don Cox
<[EMAIL PROTECTED]> writes
<Snip>
>This gives me the impression that the whole of the Internet in the UK is
>going through one router at some point - or even though one cable. Which
>doesn't seem likely.
Maybe a router belonging to the National Security Agency's at RAF
Menwith Hill is clogged, your ISP could try peering through Fort Mead,
Maryland to get better UK connectivity ;)
http://www.telegraph.co.uk/et?ac=000140080215112&rtmo=V6gf88rK&atmo=llll
ll1x&pg=/et/98/7/16/ecfspy16.html
>Which leads to the question:
>
>Is there a site that shows how all these telco connections actually
>work? Is there a map of the Internet in the UK anywhere? I know a large
>proportion of sites are hosted on computers in a building in Docklands.
LINX- Is now managed over a number of sites in London, not just
Telehouse Docklands, Coriander Avenue, London E14 2AA
LINX has a point-of-presence in the following facilities:
http://www.linx.net/contact/sites.html
>How does BT connect to the other telcos? What is a LINX peer?
>
>Any information would be welcome.
>
>Regards
>--
>Don Cox
>[EMAIL PROTECTED]
>
"LINX is a not-for-profit partnership between Internet Service
Providers. Established in 1994, LINX has two main functions: to provide
a physical interconnection for Service Providers to exchange Internet
traffic through co-operative peering agreements and secondly to further
the interests of its members. LINX membership is open to all Internet
Service Providers who qualify for membership under the Memorandum of
Understanding. LINX is the largest Internet Exchange Point in Europe and
currently represents the interests of over 80 Internet Service Providers
from thirteen countries. "
http://www.linx.net/linxinfo/index.html
http://www.linx.net/linxinfo/techdiag.html
"Telehouse Europe is a neutral facility where carriers meet and a point
of peering for the communications industry. Carriers provide networked
diverse routing in and out of the building."
At my ISP Demon Internet, Telco connectivity is provided by several
telcos to provide redundancy. The main being Scottish Telecom (Demon's
parent Company)
http://www.let-it-be-thus.co.uk/
and Energis
http://www.energis.co.uk/home.htm (They have a nice Powerpoint map of
their network http://www.energis.co.uk/presentations/uk.ppt)
LINX itself peers with other Internet Exchange Points
http://www.linx.net/furinfo/ixps.html
Therefore Docklands does host most of the UK sites but there are more of
these local sites springing up such as Planet Online (Leeds) owned by
Energis
http://www.energis.co.uk/planet.htm
An old (March 1998) overview of Demon Network Infrastructure is
available at http://www.dispatches.demon.net/issue12/31a.html
There may be some UK network professionals lurking who know better!
--
Andrew Cundiff
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