GlobalMMCS Web Service MCU Architecture SIPH323 Access GridNative XGSP Admire Gateways convert to uniform XGSP Messaging High Performance (RTP) and XML/SOAP.

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Presentation transcript:

GlobalMMCS Web Service MCU Architecture SIPH323 Access GridNative XGSP Admire Gateways convert to uniform XGSP Messaging High Performance (RTP) and XML/SOAP and.. Media Servers Filters Session Server XGSP-based Control NaradaBrokering All Messaging Use Multiple Media servers to scale to many codecs and many versions of audio/video mixing NB Scales as distributed Web Services NaradaBrokering

Brokers ONLY process messages

Pentium-3, 1GHz, 256 MB RAM 100 Mbps LAN JRE 1.3 Linux hop Transit Delay (Milliseconds) Message Payload Size (Bytes) Mean transit delay for message samples in NaradaBrokering: Different communication hops hop-2 hop-5 hop-7

Delay (Milliseconds) Packet Number Average delays per packet for 50 video-clients NaradaBrokering Avg=2.23 ms, JMF Avg=3.08 ms NaradaBrokering-RTP JMF-RTP

Jitter (Milliseconds) Packet Number Average jitter (std. dev) for 50 video clients. NaradaBrokering Avg=0.95 ms, JMF Avg=1.10 ms NaradaBrokering-RTP JMF-RTP

Functionality I WebSphere MQ (formerly MQSeries) Pastry NaradaBrokering Maximum number of nodes hosting the messaging infrastructure Medium (MQ is based on the point-to-point model. There is a limit on the effectiveness of this mode in large configurations). Very large JMS CompliantYesNoYes Guaranteed Messaging (Robust) Yes Support for routing P2P Interactions NoYesJXTA and later Gnutella Support for Audio/Video Conferencing & raw RTP clients No Yes Communication through proxies and firewalls YesNoYes Support for XPath queries/ subscriptions NoYes end-to-end Security YesNoYes Network Performance Monitoring No Yes

Functionality II WebSphere MQ (formerly MQSeries) Pastry NaradaBrokering Workflow Support YesNo Support for P2P distributed caching NoYes (Squirrel)No Platforms or Hosting Environments 35 different OS/ platforms supported. Also supports the Java Platform. Supported on platforms which support C# (Microsoft) or Java (Rice). Platforms supporting Java 1.4 (tunneling C++) Maturity of Software Extremely mature, with very robust diagnostic information Fair Fair with some “production” testing Transport Protocols Supported TCP, HTTP, Multicast, SSL, SNA etc. TCP, UDP TCP (Blocking and non-blocking), UDP, Multicast, HTTP, SSL, RTP, (GridFTP) Multiple transport protocols over multiple hops. YesNoYes Broker Network Design Interface No In Progress

Integration of PDA, Cell phone and Desktop Grid Access