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WP7 Middleware Status and Plans

WP7 Middleware Status and Plans. Paul Mealor. Contents. GridFTP monitoring Network monitoring information in RGMA UK network monitoring. GridFTP. Absolutely definitely will be in EDG 2

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WP7 Middleware Status and Plans

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  1. WP7 Middleware Status and Plans Paul Mealor

  2. Contents • GridFTP monitoring • Network monitoring information in RGMA • UK network monitoring

  3. GridFTP • Absolutely definitely will be in EDG 2 • Appropriate code for info-providers (and bug fixes for gsiwuftpd) in RPMs and declared to be released with next EDG • Configuration details declared (inc. LCFG .h files, even though LCFG will change) • Oh, and it’s running at UCL

  4. RGMA ∩ GridFTP • Obviously should do • We’ve got a schema for it, at least

  5. R-GMA • Discussions between WP3 and WP7 some time ago • Decided on schemata for publishing the network performance metrics measured by WP7 • RTT, packet loss (1- and 2-way), IPDV, throughput (TCP & UDP), file-transfer throughput • Also, information to link the SE and CE to a network monitor

  6. R-GMA • Modified the three main WP7 tools to publish into RGMA • PingER: RTT & ICMP packet loss • IperfER: TCP throughput • UDPMon: UDP thoughput & 1-way IPDV • Maintain old web interface, so MDS information providers still work

  7. Here be dragons R-GMA Network monitor Some machine measurements PingER Tomcat: Producer servlets edg-netmon2rgmad Producer API NetworkCE NetworkSE edg-netmon-rgma-infod Notify via FIFO

  8. R-GMA • Advantages • Push model all the way • APIs on NM are lightweight • Tomcat can go somewhere else • edg-netmon2rgmad keeps Producers persistent

  9. R-GMA • This is really running at UCL (installed from RPM, simply configured) • Often (but not now) makes NM data available via the WP3 registry • RGMA-capable network cost function under construction • Robert Harakaly

  10. UK network monitoring • To get network monitoring available in the UK • WP7 tools repackaged in a single RPM • By Gareth Fairey • And Mark Leese • Another map with green dots on it • http://rtlin1.dl.ac.uk/gridmon/

  11. End

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