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Network Performance Monitoring

Network Performance Monitoring. Robin Tasker CCLRC, Daresbury Laboratory 5 July 2005. 13 th GridPP Collaboration Meeting, Durham, 4 – 6 July 2005. Publication Schema. Results Database. Standardised Request. MP. Network Monitoring Service. MP. Standardised Response.

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Network Performance Monitoring

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  1. Network Performance Monitoring Robin Tasker CCLRC, Daresbury Laboratory 5 July 2005 13th GridPP Collaboration Meeting, Durham, 4 – 6 July 2005

  2. Publication Schema Results Database Standardised Request MP Network Monitoring Service MP Standardised Response Prediction Service MP = Monitoring Point • Request / Response Approach • Interactive systems clients will be able to request • historic data, • future or on-demand tests • predictions (i.e. NWS style). • All request and result messages are • formatted using standardised schemas • developed within the GGF NMWG. • This allows heterogeneous monitoring • systems to interact providing that they • use the same schemas.

  3. The ad hoc Approach GOC/NOC Some Client Diagnostic Tool nm-wg Endsite GridMon nm-wg nm-wg nm-wg Endsite WP7 Backbone perfmonit Backbone piPEs If a Client, whatever that may be, wishes to receive detailed information concerning a network path; or to concatenate data from several backbone networks to produce a picture of the full backbone path. Then the Client has to make several requests, and if necessary, perform its own data aggregation.

  4. The Mediator Approach GOC/NOC Some Client Diagnostic Tool nm-wg NPM Mediator nm-wg nm-wg Endsite xyz Endsite WP7 nm-wg nm-wg Backbone perfmonit Backbone piPEs EGEE JRA4 is responsible for “Development of Network Services”. Within JRA4’s Network Performance Monitoring (NPM) activity, the “Mediator” software has been developed. This will greatly simplify this process by unifying access to network performance measurement data.

  5. The Way We Were...

  6. And How We Will Be #1 NM-WG data formats SOAP Web Service Web Portal PHP database functionality JDBC RDBMS Perl DBI Perl DBI … db-agent MP@Site n db-agent 1b 1b 2b 2b 3b 3b MP@Site 1 1a 1a 2a 2a 3a 3a • Work in Progress • An infrastructure in which each site • (MP) will store its test data in a central database. • 2. Web Services and human (web) access to the data will also be via services running centrally. • 3. Storing and providing access to the data from a central location reduces complexity of the individual monitoring nodes • 4. Critically, we can also move to a relational database model, speeding up access to the data and allowing considerably more advanced queries to be made

  7. And How We Will Be #2 • Use of standard package management techniques, • the monitoring node software available as a set of RPMs; • a Yum repository created to distribute initial installations and subsequent updates to the infrastructure. • To avoid creating a single point of failure, both the data and access software can be mirrored at another well known location. • Plan to locate an MP at the Tier 1 and each of the Tier 2 institutes and in addition, through JISC support and working with UKERNA, to locate MPs within the national network infrastructure

  8. Discuss

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