F. HemmerUltraNet® Experiences SHIFT Model CPU Server CPU Server CPU Server CPU Server CPU Server CPU Server Disk Server Disk Server Tape Server Tape Server.

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Presentation transcript:

F. HemmerUltraNet® Experiences SHIFT Model CPU Server CPU Server CPU Server CPU Server CPU Server CPU Server Disk Server Disk Server Tape Server Tape Server Tape Server UltraNet Backplane

F. HemmerUltraNet® Experiences CORE

F. HemmerUltraNet® Experiences UltraNet® Hardware Host Adapters Hubs Link Multiplexers Serial Links (Fiber, coax) Frame Buffers Host software Network management

F. HemmerUltraNet® Experiences Hub resident Host Adapters LSCAdapterLSCAdapter Ultra Hub 1000 CPU I/O System CHANNELCHANNEL

F. HemmerUltraNet® Experiences Host Resident Host adapters CPU Memory Ultranet Bus oriented Adapter Bus To HUB Coax or Fiber

F. HemmerUltraNet® Experiences UltraNet HUBS I/O PIPO UltraBus & Power

F. HemmerUltraNet® Experiences Link Adapters LinkAdapterLinkAdapter Ultra Hub 1000 Host 1 Host 2

F. HemmerUltraNet® Experiences UltraNet Link adapters Packets & Links UltraBus™ Link Adapter Link Adapter UltraNet HUB Host 1 Host 2 Host 3 Host 4

F. HemmerUltraNet® Experiences Ultra Protocol Processor ULTRABUSULTRABUS Network HOST/LINKINTERFACEHOST/LINKINTERFACE FIFO 64 bit - 1 Gb/s FIFO 64 bit - 1 Gb/s Transfer Engine Transfer Engine CP DACP

F. HemmerUltraNet® Experiences UltraBus Personality Module ULTRABUSULTRABUS DRIVERDRIVER ACCESS CONTROL PORTINTERFACEPORTINTERFACE PORTINTERFACEPORTINTERFACE FIFO STARLAN

F. HemmerUltraNet® Experiences Link MUX PM PORTINTERFACEPORTINTERFACE PORTINTERFACEPORTINTERFACE FIFOSerial encoding FIFOSerial encoding FIFOSerial encoding FIFOSerial encoding FIFOSerial encoding FIFOSerial encoding FIFOSerial encoding FIFOSerial encoding COAX&FIBERXCVRCOAX&FIBERXCVR COAX&FIBERXCVRCOAX&FIBERXCVR Paddle Card Serial Links

F. HemmerUltraNet® Experiences UltraNet Software User application Software Socket Compatibility Library NFSSockets UDP TCP IP Data Link Driver EtherNetUltraNetFDDI UltraNet Driver Transport Network Data Link Physical Link Hardware Assisted Protocol Engine

F. HemmerUltraNet® Experiences UltraNet at CERN Cray, IBM SGI 340, 2 Crimsons 2 Sun 4/330, 1 4/630 1 Sun 4/490 1 Sun 4/670, 1 3/260 1 Cisco AGS+

F. HemmerUltraNet® Experiences ULTRA FDDI Performance

F. HemmerUltraNet® Experiences SHIFT File Server Throughput

F. HemmerUltraNet® Experiences UltraNet Bandwith MB/S DAY No

F. HemmerUltraNet® Experiences Problems Socket semantics Big Blocks (128 KB) OS is now the bottleneck Unsupported IOCTL's V3, V4

F. HemmerUltraNet® Experiences Conclusions Proprietary Ultra is an effective solution Future is promising technically Future uncertain (ATM, company itself) Wait & see...