Network Design for a Dial NMS Case Study

Dial NMS Planning Questionnaire

Dial NMS Planning Questionnaire

This planning questionnaire describes information that is essential for creating a dial NMS service definition. A questionnaire helps network engineers make accurate design decisions and consider alternative solutions. The network engineers at THEnet answered the design questions as shown in Table 2.

Table 2

Network Design Questions and Answers

 

 

 

 

 

 

 

THEnet

Network Design Questions

Answers

 

 

What types of services does your network provide?

Dial Internet access services

 

 

(V.90 analog modem services)

 

 

How many dial POP sites are you managing?

Two sites in Austin, Texas

 

 

 

What types of network services will the DIAS support?

Residential subscriber

(Network management is based on customer requirements.)

 

services

 

 

Corporate-outsourcing

 

 

 

services

 

 

 

What is the user-growth projection for the next 5 years?

3 months—50,000 users

3 months = Current deployment requirement.

1 year—100,000 users

1 year = Current design plan requirement.

5 years—1 million users

5 years = Future scalability plan requirement.

 

 

 

 

What is the user-to-line ratio during busy hours?

10:1

 

 

What level of service must you guarantee to your customers?

Guaranteed up time

 

 

 

Do you have redundant connections to the Internet?

Yes

 

 

 

 

Do you have redundant connections to the NOC?

Yes

 

 

 

 

What existing servers do you have available in the NOC?

SNMP management server

 

 

Syslog server

 

 

AAA server

 

 

Database server

 

 

What SNMP framework management system do you want to

HP OpenView (HPOV)

use?

 

 

 

 

 

What element management system do you use for collecting and

CiscoWorks 2000 Resource

managing syslog?

Manager Essentials

 

 

(CW2000 RME)

 

 

 

Do you have a preferred platform and operating system for

Yes

 

monitoring the network?

Sun Sparc, Solaris 2.6

 

 

 

 

What type of network access servers will you use?

Cisco AS5800s

 

 

 

Do you have a staff of UNIX experts?

Yes

 

 

 

 

 

Basic Dial NMS Implementation Guide

#

Page 25
Image 25
Cisco Systems manual Dial NMS Planning Questionnaire, THEnet, Network Design Questions Answers