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2010 Sonoma Cable Panel

2010 Sonoma Cable Panel. Moving to FDR and EDR Speeds and Exascale Computing. Moderator: Rupert Dance Date: 3/15/2010. Panelists. Cinch Cables Merrick Moeller: mmoeller@email.cinch.com FCI Jim David: jim.david@fci.com Mellanox John Monson: jmonson@mellanox.com Luxtera

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2010 Sonoma Cable Panel

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  1. 2010 Sonoma Cable Panel Moving to FDR and EDR Speeds and Exascale Computing Moderator: Rupert Dance Date: 3/15/2010 www.openfabrics.org

  2. Panelists • Cinch Cables • Merrick Moeller: mmoeller@email.cinch.com • FCI • Jim David: jim.david@fci.com • Mellanox • John Monson: jmonson@mellanox.com • Luxtera • Marek Tlalka: mtlalka@luxtera.com • Molex • Jay Neer: jneer@molex.com • Volex • Toney Chew: Toney.Chew@volex.com www.openfabrics.org

  3. Agenda • InfiniBand Road Map • Current Market conditions • Connectors • Cables • Specification & Design Considerations • Deployment Issues • Compliance and Interoperability Testing www.openfabrics.org

  4. InfiniBand Roadmap www.openfabrics.org

  5. Current Market conditions • Connectors • MicroGiGaCN (aka CX4) – 4X SDR and DDR • QSFP 4X SDR, DDR and QDR, 8X QDR and 12X QDR • CXP – 12X QDR • Cables using QSFP connectors • Passive Copper – up to 7 meters in length • Active Copper – up to 15 meters in length • Active Fiber – up to 300 meters in length • Multi-Mode Fiber cables up to 100 meters • Single-Mode Fiber cables up to 4 kilometers • Gauge – copper cables • 24 AWG for max length • 32 AWG minimum gauge – used in 3 meters and less www.openfabrics.org

  6. Connectors - FDR (14G) & EDR (25G) • QSFP Connectors • Can QSFP support FDR • Can QSFP support any higher speeds • CXP Connectors • Can CXP support FDR • Can CXP support EDR • 4x Connectors for EDR • What is required for 4X connectors to support 25G speeds www.openfabrics.org

  7. Cable requirements for EDR • Cable design goals • Length supported • Gauge supported • Loss Budget • Cross talk • Insertion Loss • Return Loss • Manufacturing issues • Product Mix • Copper versus Fiber • Active versus passive www.openfabrics.org

  8. Specification & Design Considerations • Convergence of IB and Ethernet specification • Leverage volumes across markets for reduced cost • IB specification for optical connectors for EDR • Current IB spec does not cover optical spec • Currently working with OIF • Compatibility and legacy support • 8b/10b versus 64b/66b • What laser technology will be used for EDR • VCSEL vs. EML lasers • Link Integrity Issues • DDR and QDR - lessons learned • Allocating overall loss budget • Attenuation based tuning • Importance of EEPROM programming www.openfabrics.org

  9. Deployment Issues • Power requirements • Cooling requirements • Exascale Computing with 10,000+ nodes • Cable management • Distance limitation • Other Considerations • Cost • 2011 EDR availability www.openfabrics.org

  10. Compliance and Interoperability • Compliance test methodology • TDR versus VNA • WDP – pros and cons • IEEE 802.3ba • System Interoperability testing • End to end testing • Switch to Switch testing • Short trace and long trace testing • Heterogeneous testing • MPI based Interop testing www.openfabrics.org

  11. CXP Compliance Test Boards - Module Compliance Board (MCB)- (1) Req’d if testing with HCB- (2) Req’d if testing with Cables - Host Compliance Board (HCB) www.openfabrics.org 11

  12. Cable Sponsors of the OFA Workshop www.openfabrics.org

  13. Mellanox Vendor Presentation www.openfabrics.org

  14. Addressing High Bandwidth Cable Challenges Author: John Monson Date: March 15, 2010 www.openfabrics.org

  15. Challenge – Cabling at 14Gb/s • Today’s QSFP suitable for FDR • Target lengths • Passive copper up to 5 meters • Active copper up to 10 meters • Optical up to 100 meters • Active cable power similar to QDR • Cable plants will look similar to today’s QDR clusters www.openfabrics.org

  16. Challenge – Cabling at 26Gb/s • Enhanced QSFP required for EDR • Need to improve insertion loss • Optimize impedance matching • Target lengths • Passive copper up to 3 meters • Active copper up to 7-10 meters • Optical up to 100 meters • Power targets not significantly higher than QDR • More clusters will now require active cables www.openfabrics.org

  17. Total Solution Required • I/O drivers must consider media type and length • Transmitter must compensate for signal degradation over copper • Receiver must compensate with increased sensitivity • EDR will require better PCB material • Switch traces up to 17 inches

  18. Molex Vendor Presentation www.openfabrics.org

  19. InfiniBand Interconnect Infrastructure Scaling the Current Ecosystem to 25G Jay Neer Strategic Product Manager – Industry Standards March 14, 2010 www.openfabrics.org

  20. QSFP+ and CXP The Highest Density I/O Solutions RJ-45 48 Channels 480 Gb/s SFP+ 48 Channels 480 Gb/s SFP+ 48 Channels 480 Gb/s MicroGiga 112 Ch. 1120Gb/s iPass 160 Channels 1600 Gb/s QSFP+ 144 Channels 1440 Gb/s MicroGiga – 192 Ch. 960 Gb/s CXP – 384 Channels 3840 Gb/s www.openfabrics.org 20

  21. High Density InfiniBand SwitchQlogic – SC09 288 QSFP+ Ports www.openfabrics.org 21

  22. 4x QSFP+ Family of Products • Single SMT Connector • Single Cage • Ganged Cages • Stacked, Ganged Cages • Light Pipe Options • Thermal Options • EMI Solution Options • Direct Attach Copper Cables • Copper SFP+ Breakout Cables • Copper Loopbacks • 12 Fiber MTP Optical Cables • Optical LC Breakout Cables • Optical Loopbacks www.openfabrics.org

  23. 4x QSFP+ Family of Products - The QSFP+ optical cable interface is defined as the industry standard 12 fiber MTP connector - Round bulk cable provides improved cablemanagement within a rack - 3mm diameter cable for short runs - 4.5mm diameter for runs up to 25 meters - The cable assembly utilizes the exterior 4 fibers on each side of a 12 fiber ribbon cable; bulk cable with the center 4 fibers missing is also acceptable - Breakout cables to LC cables are used to connect to SFP+ applications www.openfabrics.org 23

  24. Sun Constellation System World’s Largest InfiniBand Switch 3,456 InfiniBand Channels per System with CXP 12x I/O’s www.openfabrics.org 24

  25. 12x CXP Family of Products • Ecosystem Shipping: • Single Integrated Connector • Stacked Integrated Connectors • Light Pipe Options • Thermal Options • EMI Solution Options • Direct Attach Copper Cables • Copper QSFP+ Breakout Cables • Copper Loop-backs • 24 Fiber MTP Optical Cables • Optical QSFP+ Breakout Cables www.openfabrics.org 25

  26. 12x CXP Family of Products CXP / CXP CXP / MicroGiga 12x CXP / QSFP+ CXP / MicroGiga 4x www.openfabrics.org 26

  27. 12x CXP Family of Products CXP / QSFP CXP / CXP Pluggable Optical Module w/ Passive Optical Cable Assembly www.openfabrics.org 27

  28. Single Port w/out Top Cover Access area to Top of Plug 12x CXP Family of Products Thermal Solutions Heat Sinks Optional & Application Dependent- Can be extended to the rear or to the sides- Can be square or round pins or fins- Heights based on application Clip-on Cover w/vent holes StandardCapable of cooling 1-1.5W Devices www.openfabrics.org 28

  29. CXP Development / Compliance / Test Boards - Module Compliance Board (MCB)- (1) Req’d if testing with HCB- (2) Req’d if testing with Cables - Host Compliance Board (HCB) www.openfabrics.org 29

  30. InfiniBand Roadmap Plenty of time to get to 25G www.openfabrics.org 30

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