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Martin, Olivier - BETEL-Internet on ATM.Z
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Martin, Olivier - BETEL-Internet on ATM
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N-2-3-030.503
BETEL-Internet on ATM
by Olivier Martin
<MARTIN@cearn.cern.ch>
Since September 1993, what is believed to be the first international
ATM network is in pilot operation. The network, dubbed BETEL
(Broadband Exchange over Trans-European Links), is linking four sites
located in Geneva (CERN), Lausanne (EPFL), Lyon (IN2P3) and Nice
(Eurecom) in a fully meshed manner via, Cisco routers, ATM Terminal
Adapters (TA), located at the user sites, and an ATM Cross-connect,
located in France Telecom premises in Lyon.
The international optical fiber circuits operating at 34 Mb/s are
supplied by France Telecom and Telecom PTT Switzerland, whereas the
ATM equipment are supplied by Alcatel CIT. All the equipment in BETEL
are commercially available.
BETEL is a one year demonstration project funded by the European
Parliament and contracted by the CEC to France Telecom/Expertel.
The applications which include tele-teaching, visualization of physics
data events and high performance distributed computing, are all based
on TCP and UDP. Inside the BETEL network SMDS encapsulation is used
with E.164 addresses.
The distributed computing application, between CERN and IN2P3,
involves the sharing of ressources (i.e. disk, tape, CPU) between two
heterogeneous clusters of very high performance UNIX workstations and
aims at building a "meta-computing" facility across the two centers.
For more information about BETEL, please contact the author
or fetch the BETEL specifications
(a 70 pages document) via anonymous ftp from
<dxcoms.cern.ch>
/pub/betel/betel-d01.ps (753787 bytes)
/pub/betel/betel-d01.ps.Z (266007 bytes)