1. Quadrics, Inc. June 2006 – Confidential slide 1 QsNet III and QsTenG Networks for High Performance Computing 12 th June 2006

2. Quadrics, Inc. June 2006 – Confidential slide 2 AGENDA  Company introduction  QsTenG Roadmap  QsNet III Roadmap

3. Quadrics, Inc. June 2006 – Confidential slide 3 COMPANY

4. Quadrics, Inc. June 2006 – Confidential slide 4 Summary  Established in 1996, with locations in the US, UK, Italy and China  Leading supplier and developer of high performance networking products and resource management software  Subsidiary of Alenia Aeronautica and wholly owned by Finmeccanica. One of the largest industrial group in Europe in the defense, energy and security industries.  Developing proprietary HPC network and industry standard network products (10 GigE first)  Strategic market expansion: investments in USA (Quadrics, Inc.), Asia Pacific and Europe.  Currently 50 employees (70 % engineers)

5. Quadrics, Inc. June 2006 – Confidential slide 5 History  Quadrics R&D Team out of Meiko  1996 Incorporation as UK Limited Company, part of the Finmeccanica Group (SIFI.MI Italian Stock Exchange)  1998 Manufacture in US through Solectron  1999 Compaq OEM agreement  2000 Compaq Third Party Manufacturing Agreement (Royalty)  2001 Shipment Direct from US to US customers  2005 Incorporation of Quadrics, Inc. Focus on High Performance Interconnects and Resource Cluster Management with a mission to be the market leader in such solutions

6. Quadrics, Inc. June 2006 – Confidential slide 6 Org Chart

7. Quadrics, Inc. June 2006 – Confidential slide 7 2004200520062007 96 PORTS SWITCH STANDARD 10 Gbit/s ETHERNET Strategy - Roadmap QsNet II ELAN 4 & ELITE 4 PROPRIETARY QsNet ELAN 5 ELITE 5 QsNet III 288 PORTS SWITCH

8. Quadrics, Inc. June 2006 – Confidential slide 8 QsTenG

9. Quadrics, Inc. June 2006 – Confidential slide 9 QsTenG - Overview  10 Gbit/s Ethernet layer 2 switch family  Data centre and clustering market  QS-TG108 switch: up to 96 ports, copper CX4  Low latency - 0.5s to 1.5 s port to port  Compact switch chassis (8U)  Can be used with standard 10 Gbps Ethernet NICs

10. Quadrics, Inc. June 2006 – Confidential slide 10 QS-TG108 Switch - Architecture  12 ports microchip building block  Two stage fat-tree topology  Scalable 8-96 ports  450ns per stage latency  Source routed Building blocks Backplane links Computing nodes CX4 copper cables

11. Quadrics, Inc. June 2006 – Confidential slide 11 QS-TG108 - Physical Design  8U chassis  1U PSU subsystem  Front to back airflow  All connections on rear of switch

12. Quadrics, Inc. June 2006 – Confidential slide 12 QS–TG108 - Rear View  1 to 12 line cards (part ID QM601)  1 to 2 control cards (part ID QM602)

13. Quadrics, Inc. June 2006 – Confidential slide 13 QM601 - 8 Ports Line Card  8 CX4 ports to front panel  4 CX4 ports to backplane  Control processor

14. Quadrics, Inc. June 2006 – Confidential slide 14 QM602 - Control Card  Master control processor  External control and management 1 Gbps Ethernet connection  12 CX4 backplane connections

15. Quadrics, Inc. June 2006 – Confidential slide 15 QS–TG108 - RAS Features  Redundant control architecture  1 from 2 (2 from 3) redundant power supply  Dual sequential fans

16. Quadrics, Inc. June 2006 – Confidential slide 16 QS-TG108 – Control Structure  Embedded Linux control processor for each switch card  Switch configuration  Stats gathering  Control card – QM602  Single point of control  SNMP switch agent  Fail-over to controller on alternate QM602  Dual 1 Gbps Ethernet control interfaces

17. Quadrics, Inc. June 2006 – Confidential slide 17 QsTenG – Firmware  Embedded Linux control software  SNMP Device management support  Power on self test  Hardware diagnostics  Performance monitoring

18. Quadrics, Inc. June 2006 – Confidential slide 18 QsTenG – Software  MPI-2 common to QsNet and QsTenG  Adapter specific drivers  Quadrics Resource Management System (RMS)  24  7 production cluster management

19. Quadrics, Inc. June 2006 – Confidential slide 19 QsTenG – CX4 Adapters  QsTenG family of switches will operate with all standard 10 Gbps Ethernet adapters  Intel– validated  Chelsio– validated  Myricom – validated  Neterion – validation about to start  Neteffect– validation about to start

20. Quadrics, Inc. June 2006 – Confidential slide 20 Managed Layer 2 Protocol Support – Features  LVL7 FASTPATH ® Software Certified protocol support for routing and management including  VLAN - Network grouping/segmentation -IEEE 802.3ac- VLAN Tagging -IEEE 802.1v-Protocol-based VLAN -IEEE 802.1Q-Virtual LAN with port based VLANs  Spanning Trees - Broadcast storm/loop avoidance -IEEE 802.1S–Multiple Spanning Tree -IEEE 802.1W-Rapid Spanning Tree -IEEE 802.1D-Spanning Tree  Flow Control -IEEE 802.3x-Flow control  Priorities -IEEE 802.1p— Ethernet Priority with User Provisioning & Mapping

21. Quadrics, Inc. June 2006 – Confidential slide 21 Managed Layer 2 Protocol Support – Features Cont…  GARP - Attribute register/de-register  IGMP - Snooping - Multicast membership  Link aggregation - Channel bonding -IEEE 802.3ad—Link Aggregation  Port mirroring - Copy for analysis  Jumbo Ethernet Frames  Power management for individual slots  Fan control  Redundancy (Cold Failover)  Hot plug  …

22. Quadrics, Inc. June 2006 – Confidential slide 22 Federation Support – Features  Federation of multiple Switches  Quadrics Internal Software development  Federation Support  Support for 2000 ports  Fat Tree Topology

23. Quadrics, Inc. June 2006 – Confidential slide 23 QsTenG – Summary  A new generation of 10 Gbps Ethernet switch for new classes of bandwidth hungry applications.  Takes Quadrics scalable switch design into the standards based interconnect market.

24. Quadrics, Inc. June 2006 – Confidential slide 24 QsNet III

25. Quadrics, Inc. June 2006 – Confidential slide 25 QsNet III – Overview  New host adapter – based on Elan5 microchip  PCI Express 16x, DDR  New custom fabric – based on Elite5 microchip  High radix switches  DDR CX4 links  Common mechanics and control structure  128 node building block (8U)

26. Quadrics, Inc. June 2006 – Confidential slide 26 Elan5 – Overview (product ID QM700)  2  QsNet III link  Multiple Thread processors  Local memory (1Mbytes)  Buffer space, routes, page tables  Memory Management  4 pages sizes 4M-32G  TLB (64  16 pages)  Host Interface  PCI-Express 16x  DDR support

27. Quadrics, Inc. June 2006 – Confidential slide 27 Elan5 – Thread Processor  Two thread instructions per cycle  500-600 MHz clock  128 registers  16K instruction cache  8K data buffers -Assembling network packets -Checksum and CRC generators on write port  DMA read, write, set event, wait event

28. Quadrics, Inc. June 2006 – Confidential slide 28 Elite5 - Overview  16 x4, 32 x2 switch component  Or multiple 8,4,2,1 switches  Physical layer DDR XAUI  4 x 6.25Gbit/s  2.5Gbytes/s peak in each direction  Broadcast & barrier support

29. Quadrics, Inc. June 2006 – Confidential slide 29 Elite 5 – Switch Packaging, cards  16 ports link card (Part ID QM701) Building block for:  256 ports stand alone switch  128 ports to computing nodes, 128 ports to top level switches chassis  Top switch card (Part ID QM702) Building block for:  256 ports stand alone switch  Federated networks  Top switch card (Part ID QM703)  Federated networks

30. Quadrics, Inc. June 2006 – Confidential slide 30 QsNet III – 128 Ports chassis  Building block for federated networks  8 1024-way systems  16 2048-way systems  x32 4096-way systems  x64 8192-way systems  128 ports to nodes, 128 backplane links to top level switching cards  2 stage fat tree  9U high

31. Quadrics, Inc. June 2006 – Confidential slide 31 QsNet III – 256 Ports chassis  High Density stand alone switch  800 Gbyte/sec bi-section bandwidth  2 stage fat tree  14U high  Can be used to provide multiple 32 and 64 top switches for very large systems

32. Quadrics, Inc. June 2006 – Confidential slide 32 4096 Way System – 1U Nodes  128 node scalable units  Each scalable unit has a node level switch  Upgradable bisectional bandwidths: 1/8; ¼; ½; full

33. Quadrics, Inc. June 2006 – Confidential slide 33 QsNet III – 4096 Port Network Topology

34. Quadrics, Inc. June 2006 – Confidential slide 34 4096 1U SYSTEM - FLOOR PLAN System size: 10m  20m (33'  66') with an aisle spacing of 5'. Maximum cable length is approximately 13m (43')

35. Quadrics, Inc. June 2006 – Confidential slide 35 Possible Lustre configuration with 1/8 bisectional bandwidth  48 Lustre storage servers (2 meta dataservers, 2 management nodes and a small number of login nodes).  Divided equally between the first and last node switches.  Should be configured in pairs (with one server from each pair attached to each node switch).  This configuration will maximise the Lustre I/O bandwidth with sparse connectivity between the node switches.  If all 4096 ports are used the filesystem will share uplink bandwidth with the nodes attached to its node switch.

36. Quadrics, Inc. June 2006 – Confidential slide 36 Quadrics Products Compared