Difference: Networking (3 vs. 4)

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Networking

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* Hardware
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High-speed reliable network infrastructure with a dedicated reserved data link to CERN ( LHCOPN).

LHCOPN composed of many 10 Gbps links interconnecting the Tier-0 centre at CERN with the Tier-1 sites fulfilled its mission of providing stable high-capacity connectivity

The network architecture of the Tier-1 at JINR was constructed with a double route between the access level and the server level

Each server have access to the network segment by two equivalent 10Gbps links, with a total throughput of 20 Gbps.

The connection between the access level and distribution level has four 40 Gbps routes, which, consequently, allow data transmission 160 Gbps, the oversubscription being 1:3.

The Tier-1 network segment is implemented on the Brocade VDX 6740 capable of data communication with more than 230 10-Gigabit Ethernet ports and 40 Gigabit Ethernet ports.

The series comprises models with optical and copper 10 Gbps ports and 40 Gbps uplinks

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* Hardware

 
  • 10xSBM-GEM-X2C+ in top-on-the-rack 5 Processor blade.
  • 4xProcurve 3500yl-24G at disk and infrastracture servers.
 
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