wiki:Hardware/Network

Version 8 (modified by seskar, 4 years ago) ( diff )

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Network

Figure 1 shows the logical topology of COSMOS cloud architecture overlayed on its optical topology (with aggregated link capacities indicated). All of the fully-user-controllable ToR (Ethernet) switches (managind both data networks) support both traditional and SDN programmability at L2/L3 (Ethernet/IP). The open-source open network operating system (ONOS) platform and most of the standard SDN controllers can be used for SDN and NFV experimentation.


Figure 1: Logical topology of COSMOS main domain

Ethernet Switches

Ethernet Cables

  • Used for 1G connectivity with a rack or data-room.
  • Various vendors: Dell, Monoprice, Belden, etc.
  • Standardized on cat6+ for futureproofing

Direct Attach Cables

Used to connect devices within a Rack, for cost efficiency

Purchased from ​Dell and ​FiberStore

Lengths up to 7 meters in use, but most common are 1,2,3,5 meters. Part Numbers:

10G Length
Vendor 1m 2m 3m 5m
Dell        
FS.com        
25G Length
Vendor 1m 2m 3m 5m
Dell        
FS.com        
40G Length
Vendor 1m 2m 3m 5m
Dell        
FS.com        
100G Length
Vendor 1m 2m 3m 5m
Dell        
FS.com        

Singlemode Optics

  • 10G-lr
  • 40G-lr4
  • 100g-lr

Multimode Optics

  • Not used in the NYC deployment.
  • 10G-SR is used in the COSMOS SB1 Deployment at Rutgers

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