Transcript LEARN & SANET Group

Lanka Educational And
Research Network
Ajantha Atukorale & Nimal Ratnayake
History
• The necessity of Academic network that
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connects all Universities and R&D institutions
across the country was proposed to UGC
It was accepted in principle but implementation
got delayed due to lack of funds
LEARNMail, the 1st E-mail service in Sri Lanka
was started in 1990
Maintained by group of volunteers
Ajantha Atukorale
APAN 2004, Honolulu
History
• CINTEC approved a grant to set up the 1st
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phase of the LEARN
To connect three universities
– University of Colombo
– University of Moratuwa
– The Open University
Phase 1 completed in 1995
Three universities connected by 64Kbps leased
lines (via SLT)
Ajantha Atukorale
APAN 2004, Honolulu
History
• After the successful completion of the phase-1,
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more universities were interested in connecting
to LEARN
The need for a management body was identified
LEARN management committee was approved
by UGC (on 17th October 1996)
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Ajantha Atukorale
APAN 2004, Honolulu
UGC chairman or his nominee
Technical manager
Administrative manager
Secretary
One member from each university
Current Status
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11 Universities (with multiple campuses)
National Science Foundation (NSF)
University Grants Commission (UGC)
Internet connection via two local ISPs
– SLT & LankaCom
An aggregate of 2.5 Mbps Internet bandwidth
– Monthly pays more than Rs. 1million to ISPs
Owns /17 IP block
Also uses 10.0.0.0/8 IP block within LEARN
Ajantha Atukorale
APAN 2004, Honolulu
Services Provided
• LEARN manages the available bandwidth to get
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the optimum use of it:
– Proxy servers (load balancing with Delay
Pools)
– Traffic shaping (to allocate bandwidth to
different sites)
Electronic Mail:
– Incoming/Outgoing mail relay
– Virus/Spam filtering (AmaViS/SpamAssassin)
– Virtual hosting & POP/IMAP based mail
Ajantha Atukorale
APAN 2004, Honolulu
Services Provided
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DNS
Cache Proxy Servers for web accessing
Training Programs & Workshops
International events such as NetSA’03
Consultation
Ajantha Atukorale
APAN 2004, Honolulu
Ajantha Atukorale
APAN 2004, Honolulu
Training ….
Ajantha Atukorale
APAN 2004, Honolulu
Future Planes
• Connects the rest of the Universities and
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Research Institutes
Introduce new services
E-learning (Remote/Distance Learning)
Video conferencing
Voice over IP
Multicasting special events
Grid Computing Research/Applications
Ajantha Atukorale
APAN 2004, Honolulu
Future Planes
• Expand the local connectivity
– May be up to 45/155 Mbps ???
• Expand the International bandwidth
– Multiples of E1s to 45/155Mbps ????
Ajantha Atukorale
APAN 2004, Honolulu
Thank you