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![Page 1: Web-Based Management. Display on Web browser Economical displays Ubiquitous access Reduction in network load for non-polled configuration Web Interface.](https://reader035.fdocuments.in/reader035/viewer/2022070414/5697c00c1a28abf838cc8c72/html5/thumbnails/1.jpg)
Web-Based Management
Web-Based Management
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Web-Based Management
• Display on Web browser• Economical displays• Ubiquitous access• Reduction in network load for non-polled
configuration• Web Interface vs Web-base management• Web-based management
• Desktop management interface• Web-based enterprise management• Java management extensions
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Web Interface
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Proxy Server
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Embedded WBM
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HP Embedded Agent
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Desktop Management Interface
Service Layer (SL)
Management Interface (MI)
Component Interface (CI) MIF DataBase
MIF: Management Information Format
Desktop ResidentManagement Applications
Hardware/Software Components
API
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Desktop Management Interface
• Industry standard generated by l - Desktop Management Task Force (DMTF)
• Started in 1992 to manage PCs • Manages both hardware and software• Two standards
• Management information format (MIF), similar to MIB
• Program interface with two APIs
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DMI Service Layer
Synchronization and Flow Control
Management Interface
Component Interface
MIF Access
MIF Set
MIF Install MIF DataBase
Request/Confirms
Response/Confirms Events/Response
Indications
CommandProcessing
EventProcessing
MIF Processing
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DMI Functions
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DMI MIB
• MIF specified using ASN.1 syntax• Can be managed by an SNMP manager• DMTF task expanded to specify WBEM - Web-based enterprise management• DMTF
- DistributedDistributed Management Task Force
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Web-Based Enterprise Management
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Web-Based Enterprise Management
• WBEM based on Common Information Module, developed by Microsoft
• CIM is information-modeling framework intended to accommodate all protocols and frameworks
• Object-oriented• Five components:
• Web client• CIM object manager (CIMOM)• CIM schema• Management protocol• Managed objects with specific protocol
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Microsoft WMI
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Microsoft WMI
• WMI is Microsoft infrastructure to support WBEM CIM• WMI comprises management infrastructure,
applications, and agents• CIMOM has plug-in management applications• COM/DCOM API specifies interface to CIMOM• CIM is the CIM schema• Object providers are management agents (e.g. SNMP agent)
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Service Driven Network
• Network of services (instead of network of components)• based on Java technology and thin clients.• It speeds up service creation and deployment, as well as handling
provisioning, management and billing. • Dynamic Management
• The Service-Driven Network enables you to reconfigure the infrastructure of the network dynamically, by pushing services in real-time, both to the network infrastructure elements, and to consumer devices across the Internet.
• Java technology calls plug-in JavaBean• MBean is management JavaBean
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JDMK- Java Dynamic Management Kits
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JDMK
• Java dynamic management tool kit to build Java-based NMS
• MBean is an intelligent agent; does not need polling as in SNMP agent
• JDMK library of core management services implemented as MBeans
• Java Dynamic Management agent comprises• MBeansMBeans: core management framework,
MBean server• Protocol adaptorsProtocol adaptors: interfaces to applications
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MBean Flow Diagram
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JMX Architecture
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Jiro
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Looking Ahead• Future network and system management frameworks should accommodate
well-established SNMP entities• Web agents are intelligent and future points to the use of Web technology• Web-based management offers two options• WBEM is comprehensive and centralized approach to enterprise
management; accommodates both scalar and object-oriented schemes• JMX is decentralized and uses Java technology; agents embedded in objects
and can be downloaded from NMS; platform independent• Future NMS environment could be a merger of the old and the new - at least
in the near future