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Network Management with JMX

Network Management with JMX. Thu Nguyen Oliver Argente CS158B. JMX Overview. JMX - Java Management Extensions Technology for managing and monitoring networks, systems, applications, and services Provides tools for building modular and dynamic managing and monitoring solutions

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Network Management with JMX

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  1. Network Management with JMX Thu Nguyen Oliver Argente CS158B

  2. JMX Overview • JMX - Java Management Extensions • Technology for managing and monitoring networks, systems, applications, and services • Provides tools for building modular and dynamic managing and monitoring solutions • Cross-platform Alternative to SNMP • Uses Java classes called MBeans to expose mgmt interface of the managed devices • JMX Manager

  3. JMX Overview… • Benefits of JMX • Scalability • Compatibility • Implementation Cost • Where is it used? • web phones to set-top boxes to network devices and servers • Who uses JMX? • IBM, HP, AdventNet, Sun, Tomcat, Oracle • J2EE vendors such as: JBoss, Enhydra, Weblogic

  4. JMX Architecture (3 Layers) • Manager Level • Link between mgmt application and JMX agent • Making integration possible • Where JMX Manager resides • Agent Level • Contains JMX agents • Has 2 components: MBean Server & Agent Services • Instrumentation Level • Defines manageable resources • Has 3 components

  5. Architectural Components(Instrumentation Level) • MBeans (Managed Beans) • central blocks of the instrumentation level • Makes resources manageable by defining characteristics and processes • Employs dynamic class loading • Notification Model • Can be manipulated to send critical messages • Similar to SNMP Trap • MBean Metadata Classes • Defines MBean components (i.e. attributes, operations, etc…) • Also contains names, description, characteristics, etc…

  6. Architectural Components(MBeans) • Standard MBean • Java objects that conform to certain design pattern • Simpler and quicker to implement • Mgmt interfaces, operations, & attributes are static • Method names describe the mgmt interface. • Best used for setting up new manageable resources • Dynamic MBean • Generic methods are used for setting/getting attributes • Mgmt interfaces exposed at run time • Quite complex to implement • They can be used to access non-Java native resources

  7. Architectural Components(MBeans) • Model MBean • Fully configurable and self describe at run time • It’s an MBean template because it uses generic, configurable MBean classes • Gives managers additional info about managed resources such as runtime & behavioral data. • Open MBean • self defining and portable • Can be managed by non-Java based mgmt application.

  8. Architectural Components(Agent Level) • MBean Server • Repository of MBeans • Involved in the MBean registration • Agent Services – customizable objects • Dynamic Class Loader – can load new classes from any network location • Monitors – Observes changes • Timers – Scheduling mechanism • Relation Services – defines relationship between MBeans

  9. JMX Connectors and Protocol Adapters • Remote Monitoring with JMX Connectors • Create point to point communication • Consists of 2 components • Connector Server • Connector Client • Connector Heartbeats • Protocol Adapters • Provides view of an agent and its MBeans thru different protocols. • Accessing Non-Java Programs • Software components residing on the server/managed devices

  10. Hands-On Example of JMX • Router Management • Program Demonstration

  11. Network Management with JMX End of Presentation

  12. Resources Used Who uses jmx: http://java.sun.com/products/JavaManagement/jmxadoption.htmlhttp://www.javaworld.com/javaworld/jw-06-2001/jw-0608-jmx.html http://java.sun.com/products/JavaManagement/wp/jmx.jpg How jmx is used: http://java.sun.com/developer/technicalArticles/J2SE/jmx.html

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