Demonstration of a Complete 12-Port Terabit Capacity Optical Packet Switching Fabric Benjamin A....
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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
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Transcript of Demonstration of a Complete 12-Port Terabit Capacity Optical Packet Switching Fabric Benjamin A....
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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COLUMBIAUNIVERSITY
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
OPSnetwor
k
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COLUMBIAUNIVERSITY
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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COLUMBIAUNIVERSITY
Lightwave Research Laboratory
Packet Structure
packet (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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COLUMBIAUNIVERSITY
Lightwave Research Laboratory
H2
Packet StructureH3 H1 H0 F
wavelength (nm)
aver
age
po
wer
(d
Bm
)
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COLUMBIAUNIVERSITY
Lightwave Research Laboratory
Data Vortex Topology
output node input node
west
east
north
south
deflectionstructure
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COLUMBIAUNIVERSITY
Lightwave Research Laboratory
System Implementation
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COLUMBIAUNIVERSITY
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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COLUMBIAUNIVERSITY
Lightwave Research Laboratory
Experimental ResultsPFH0H1H2H3
00010010001101010110011110011010101111011110111150 ns/div
7 hops ≈ 160 ns
3 hops ≈ 60 ns
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COLUMBIAUNIVERSITY
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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COLUMBIAUNIVERSITY
Lightwave Research Laboratory
Experimental Results
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COLUMBIAUNIVERSITY
Lightwave Research Laboratory
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/
