demonstration of a complete 12-port terabit capacity optical packet switching fabric
DESCRIPTION
Demonstration of a Complete 12-Port Terabit Capacity Optical Packet Switching Fabric. Benjamin A. Small, Odile Liboiron-Ladouceur, Assaf Shacham, John P. Mack, and Keren Bergman Columbia University Department of Electrical Engineering. Outline. Introduction - PowerPoint PPT PresentationTRANSCRIPT
Demonstration of a Complete 12-Port Terabit Capacity Optical
Packet Switching Fabric
Benjamin A. Small, Odile Liboiron-Ladouceur,Assaf Shacham, John P. Mack, and Keren
Bergman
Columbia UniversityDepartment of Electrical Engineering
(2)COLUMBIAUNIVERSITY
Lightwave Research Laboratory
Outline• Introduction• Switching Node and
Packet Structure• Data Vortex Topology• Experimental Setup• Experimental Results• Conclusions
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Lightwave Research Laboratory
• Interconnection Networks▪High performance computing systems▪Next-generation telecom routers▪Storage area networks
• Experimental System▪1212 switch▪~100 ns routing latency▪160 Gbps per port▪Terabit capacity
Introduction
OPSnetwor
k
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Lightwave Research Laboratory
Switching Node Design
λF
λH
O/E
O/E
controllogic
50:50
50:50
70:30
70:30
North
West
East
South
SOA
SOA
transparent routingwavelength-parallel
multi-λ packet
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Lightwave Research Laboratory
Packet Structurepacket (22.4 ns)
payload (19.3 ns)
slot (25.7 ns)
deadtime (3.3 ns) guardtime (1.6 ns)
FrameH0
H2H3P0…
P15
Frame
H1H2
P0…P15
multiple-wavelength packet
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H2
Packet StructureH3 H1 H0 F
wavelength (nm)
aver
age
pow
er (d
Bm
)
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Lightwave Research Laboratory
Data Vortex Topology
output node input node
west
east
north
south
deflectionstructure
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Lightwave Research Laboratory
System Implementation
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Lightwave Research Laboratory
Experimental Setup
…
BERT
EDFA
λ
PPG DTG
P0
mod
F
H0
H1
H2
H3
mod
mod
mod
mod
mod
SOAP1 Rx
P15
5
10 Gbps~39 Mbps
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Experimental ResultsPFH0H1H2H3
00010010001101010110011110011010101111011110111150 ns/div
7 hops ≈ 160 ns
3 hops ≈ 60 ns
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Lightwave Research Laboratory
Experimental Results
H0
H1
H2
H3
F+3 hop deflection
1101
input #7
input #4
20 ns/div
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Lightwave Research Laboratory
Experimental Results
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Conclusions• Terabit capacity
▪Full 1212 switching capabilities▪160 Gbps payload
• 26 ns packet slots, 19 ns payload• 110 ns median routing latency• 10-12 BER (>1.3 dB range)• Internal contention resolution
http://lightwave.ee.columbia.edu/