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Access to dark fiber in Serbia & Montenegro. NREN – National Research and Education Network of Serbia & Montenegro. Zoran Jovanović Slavko Gajin Belgrade University Computing Center. 1.5 Mbps. Backbone of the NREN in 2000. Novi Sad. 2 M bps. Beograd. 2 Mbps. 2 Mbps. Kragujevac.

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access to dark fiber in serbia montenegro

Access to dark fiber in Serbia & Montenegro

NREN – National Research and Education Network

of Serbia & Montenegro

Zoran Jovanović

Slavko Gajin

Belgrade University Computing Center

backbone of the nren in 2000

1.5 Mbps

Backbone of the NREN in 2000.

NoviSad

2Mbps

Beograd

2 Mbps

2 Mbps

Kragujevac

2 Mbps

2 Mbps

Kruševac

Niš

Podgorica

first access to dark fiber after the sinsee pilot phase

1.5 Mbps

First access to dark fiber after the SINSEE pilot phase

NoviSad

1 Gbps

Beograd

2 Mbps

2 Mbps

Kragujevac

155 Mbps

Grnet

2 Mbps

2 Mbps

Kruševac

Niš

Podgorica

topology j anuar y 2004 seeren and gbps backbone
Topology - January 2004.SEEREN and Gbps backbone

Subotica

SMIN

Telekom

Srbija

34 Mbps

1 Gbps

NoviSad

1 Gbps

SEEREN

34 Mbps

Beograd

1 Gbps E

Kragujevac

1 Gbps E

Niš

2 Mbps or

1 Gbps (E?)

Podgorica

GRnet

GEANT

man backbone of belgrade
MAN backbone of Belgrade

1 x C3550-12G

Institute

Vinča

1 x C3550-12G

PMFdistribution node

Internal Optical network of Vinča

International and

intercity links

University of Arts

1 x C3550-12GLOSTUD

Distribution node

1 x C3550-12G

LOV distribution node

1 x C6509

RCUB

Central Node

Faculty of

Economy

Serbian Academy of

Sciences and Arts

1 x C3550-12G

LOMED distribution node

Faculty of

Philosophy

Institute of

Economy

1 x C3550-12G

LOTEH distribution node

where are we now
Where are we now
  • Completing the national Gbps backbone
  • Completing the Gbps MAN networks in Belgrade, Nis and Novi Sad.
  • Starting the Gbps backbone in Kragujevac
  • Expanding the network to high schools and even primary schools
  • Establishing services
  • For the first time normal international connectivity - SEEREN
newest technology
Newest technology
  • Avoiding the PST infrastructure and using dark fiber
  • Low end newest technology (still 1 Gbps)
  • 500 times higher capacity on the internal backbone and 45 times higher capacity for international connectivity in 3 years
  • Dark fiber to individual institutions – wherever possible
  • Investments are very low compared to POS solutions
cooperation
Cooperation!
  • Exceptional cooperation of all universities, Ministry of Science and Technology and Telekom Srbija
  • Even without a legal entity, all key players were pushing in the same direction
  • Contracts with Telekom Srbija where we guaranteed that the NREN cannot be used for any form of commercial traffic (according to GEANT AUP)
  • Young team of experts at university computing centers throughout the country
conclusions 1
Conclusions (1)
  • From 0.1%of the backbone capacities of developed countries, we reached about 40%.
  • Capacity of the international connectivity is below 1%of the capacity of most developed countries.
  • All Web and FTP traffic on international links is still passing through proxy servers
  • We believe that our technological solution has the best price/perfomance
  • There will be a fast increase in the number of users of the network
  • Our wish is to soon be on the better side of the digital divide – at least for the NREN
conclusions 2
Conclusions (2)
  • The development was done under the following circumstances: destroyed economy, 600.000 refugees, more than 1.000.000. unemployed and very low salaries. Donations like SEEREN were crucial.
  • Our NREN had the best possible support, especially from the Ministry of Science, Technology and Development of Serbia
  • Cooperation with Telekom Srbija, when clear AUP is defined in contracts, opened the access to dark fiber
  • New services on the NREN are emerging – distant learning, GRID infrastructure, …
  • Our Network Information System NetIS is already expanding to the SEEREN network
seeren
SEEREN
  • The best way to change the less developed SEE countries
  • Exceptional cooperation between participants – new friendships
  • Coordination by GrNet in SEEREN and EU and NATO proposals at the highest level
  • Thanks to EU, GrNet, DFN, Hungarnet, RoEduNet, Dante, Cesnet and CEENET for helping us to make a great step forward
  • Best investment in the future of the region
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