Web Based Management Refer 1 WebBased Systems Network

Web Based Management Refer: 1. Web-Based Systems & Network Management by Kornel Terplan [CRC Press 1999] 2. Java Management Extensions Whitepaper by Sun Microsystems FIT 2018 Network Administration

Review of System & Network Management: Basic Management Functions n n The Business Model for management The management processes How well a web interface supports them Web-Based Management Standards q q q 3/10/2020 IETF Java WBEM FIT 2018 Network Administration 2

Business Model for Management 3/10/2020 FIT 2018 Network Administration 3

Role of Web in management activities n n Each activity has extensive set of processes For example, Client Contact Point processes 3/10/2020 FIT 2018 Network Administration 4

n Receive Problem. Report q n Handle calls q n Request activity by others for implementation of services Open/Refer Trouble. Ticket q n Admin activity to raise orders for purchase of equip or service Make Service. Request q n Users send in change requests for Apps, S/W or H/W Handle Orders q n User want info on status/performance of managed objects, progress of trouble resolution, change schedules Receive Change. Request q n Phone calls about problems, change requests, orders, Info Inquiry handling q n User sends report on problems with Apps, S/W, H/W For non-trivial problems, register a service job Close Trouble. Ticket q 3/10/2020 Complete service job, notify originator, archive job details FIT 2018 Network Administration 5

Role of Web in management activities Task Prob. Rpt V. High Good X Call X Query X Chg. RQ X Orders X Serv. RQ Open. TT Close. TT 3/10/2020 Low X X X FIT 2018 Network Administration 6

Role of Web in management activities n n Web-based functions are not immediately applicable in all processes…. Use of web interface depends on technology involved… eg placing orders may depend on whether supplier has web site that accepts requests on-line…. 3/10/2020 FIT 2018 Network Administration 7

Web-Based Management Standards IETF JMX (JMAPI) WBEM Models FIT 2018 Network Administration

Traditional IETF management n n SNMP RMON Many managed devices that offer network services may have a web interface for management functions definitely not a universal management standard! 3/10/2020 FIT 2018 Network Administration 9

Java Management Extensions (JMX) n n n Simple lightweight way to instrument objects Standard method with range of existing managers including SNMP and WBEM 3 level architecture q q q Instrumentation – based on “java bean” objects Agent – registration and event management Manager – external (maybe non-java) application 3/10/2020 FIT 2018 Network Administration 10

JMX Architecture Overview 3/10/2020 FIT 2018 Network Administration 11

A case study of java application management using JMX “Introduction to JMX” by Ward K. Harold, Heather Kreger, Leigh Williamson. Date: Apr 25, 2003 (Sample Chapter is provided courtesy of Addison Wesley) Java Management Extensions (JMX) is to management systems what JDBC (Java Database Connectivity) is to databases. Discover why you should use this powerful technology to serve as a layer between your applications and arbitrary management systems. http: //www. informit. com/articles/printerfriendly. asp? p=31575 3/10/2020 FIT 2018 Network Administration 12

Web-Based Enterprise management A complete management framework… Integration of several Management Styles & Methods 3/10/2020 FIT 2018 Network Administration 13

Web-Based Enterprise management Dynamic HTML creation from Schema 3/10/2020 FIT 2018 Network Administration 14

Web-Based Enterprise management with other services integrated…. 3/10/2020 FIT 2018 Network Administration 15

Management Platforms Comparison of plaatforms used to construct web-based managers FIT 2018 Network Administration

Management Platform Attributes on which to base comparisons…. n n n Hardware Operating Systems Network Architectures Net Management Protocols GUI Database Support 3/10/2020 n n n Core Management Applications APIs and Dev. Kits Distribution Capabilities Network Modelling Object Orientation FIT 2018 Network Administration 17

Platform Suppliers: Web-Based Management Solutions n n n n Asante Technologies: Intra. Spection Cabletron Systems: Spectrum Computer Associates: TNG IBM/Tivoli: TME 10 / Net. View Hewlett Packard: Open. View Microsoft: System Management Server Sun Microsystems: Solstice 3/10/2020 FIT 2018 Network Administration 18

Web Innovations n Intelligent agents q q Personal Assistants & Advisors Networked agents automated retrieval & processing Distributed problem solving Mobile agents… n q q 3/10/2020 Asynchronous, Cooperative retrieval and processing Automated configuration Exception & Alarm reporting FIT 2018 Network Administration 19

Push reporting Most web interfaces are passive and rely on browser refresh to view latest data. Better management can be achieved if the web interface implements a “push” reporting technique. Eg. HTML that contains client-side scripts or applets which allow the web server to auto-refresh when some event is notified… 3/10/2020 FIT 2018 Network Administration 20

Web-Based Management Application Examples FIT 2018 Network Administration

Device Dependent Applications from Vendors…. n n n Optivity (Bay networks) Web Alarm View (Cabletron) CISCOworks (CISCO) Net. Directory. Web (Ungerman-Bass) Transcend (3 COM) 3/10/2020 FIT 2018 Network Administration 22

Device Independent Applications n Trouble Tracking q q n n Clear. Express (Clarify) ARweb (Remedy) Van. Web (Vantive) Patrol from BMC Storage Management Analysis & Reporting q q 3/10/2020 Perf. Agent (Quallaby) Domain. Meter (Elite) Health. Monitor (Concord) Statistical Analysis System (SAS) FIT 2018 Network Administration 23

Service Level management n n n Observant (Tertio) Enterprise Pro (INS) Pronto. Watch (Proactive Networks) Network Management Service (World. Com) Netcool (Micromuse) Net. Expert (Objective Systems) 3/10/2020 FIT 2018 Network Administration 24

Software Distribution n Web Transporter (Megasoft) Net. Deploy (Open. Software) Castanet (Marimba) 3/10/2020 FIT 2018 Network Administration 25

Windows Server management n n n Web Administrator (Microsoft) App. Manager (Net. IQ) Insight Manager XE (Compaq) 3/10/2020 FIT 2018 Network Administration 26

Legacy Application Management n n n Web front-ends to legacy corporate database ORACLE Web Application Server Oracle 8 included java servlet engine (similar to Tomcat which provided web interface to existing ORACLE databases. This included java management instrumentation…. . 3/10/2020 FIT 2018 Network Administration 27

end FIT 2018 Network Administration