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Transcript
Senior Network Design Seminar
Professor Morteza Anvari
10 December 2004
eHealth Network Monitoring
Network Tool Presentation
J. Gaston
Purpose of Monitoring
 Network monitoring is a method of efficiently
ensuring several
goals are achieved
– Availability
•
•
Ensure customers can use the network and its supported systems for a
specified percentage of time
Reduce MTBF and MTTR by quickly identifying root cause of outages
– Performance
•
•
Ensure a variety technical metrics are achieved by providing real-time
measurement of enterprise’s current operation
Examples are capacity, utilization, accuracy, etc.
– Manageability
•
Modify operating parameters, traffic patterns, and device configurations
based on current system health and status
Monitoring Objectives
 Manage performance and availability
of LANs, WANs, and
network devices
 Measure current performance to establish a baseline and
verify compliance with service level agreements (SLAs)
 Prevent outages and ensure availability by identifying which
resources are at risk of failure
 Manage servers supporting network services, such as
firewalls, DNS, and DHCP servers, on Windows and UNIX
platforms
 Perform continuous, active tests of application availability
and functionality
Concord’s Approach ~
Business Service Management
Business Service Management delivers…

Visual representation of the dependencies between business processes,
business applications and the IT infrastructure.

Reduced downtime and shorter problem resolution time because IT support
focuses on solving the correct, high priority, business-relevant issues.

Operational efficiency because operators can use a single console for viewing
the status of business services as well as for displaying IT infrastructure views.

Business service views can be customized and enabled for viewing by
business users, thus giving the line of business a better understanding of how the
IT infrastructure is performing.
Conceptual Enterprise Monitoring
End User
Services
System and Application
Infrastructure
Network
Infrastructure and
Services
Conceptual Enterprise Monitoring
Practical Service Management
Business Service Management
Business Service view
Real time fault
Performance
Availability
Server
Monitoring
Agents
Network Health®



Application
Availability
Robots
Application
Response
Agents
Application
Performance
Management

LAN/WAN
 IP Telephony

Router/Switch  Remote Access 
Wireless LAN  Frame Relay 
Mobile Wireless

QoS
DSL
ATM
Cable
Network
Management
Application
Monitoring
Traffic
Analysis
System and
Application
Management
eHealth Functionality
 Variety of mechanisms monitor enterprise at multiple levels
– SystemEdge agents installed on servers to track CPU load,
memory usage, and disk activity
– RMON probes collect packet statistics and protocol data from links,
paths, and network devices
– Capable of receiving third party MIBs to leverage existing
technology and monitoring solutions
 Information assembled by central console server and
correlated to build various views and reports
– Oracle database provides backend storage and data management
– Rules and thresholds highly customizable to ensure alerts and
reports are tailor to needs of user, whether technical or business
Information Flow and Detail
Business view – the status of the business service
Operational view – status of application, system
and network components
Alarm detail – drill down for
more information to resolve
problems quickly
Users
Networks
Servers and
Applications
Enterprise View
Real-time update of
service availability
and problem duration
Site View
Real-time update of end user
response by region
Service Details
Understand all details
of the service:
application, server, and network
Questions?
eHealth Network Monitoring
http://199.221.15.35/bin/welcome.sh
Network Tool Presentation
J. Gaston
CIS 460