1. Network Design and Implementation
Chapter 14
Network Design and Implementation

2. Agenda
Analysis and Design
Implementation
LAN
Voice Network Design

3. Analysis and Design Phases
Request
Feasibility Study
Analysis (requirement)
Alternatives (cost and benefit)
Design
Selection
Cost
Documentation
Management approval

4. Implementation Phases
Purchasing and vendor agreement
Installation
Training, and testing
Conversion
Follow up audit

5. Request Source Form: formal or informal
User
Senior managers
Communication department
External environment (customer, government, etc.)
Form: formal or informal
Prioritization (costs & benefits analysis)
Outcome: approval, deny, or on hold by management

6. Feasibility Study Team Problems
User, specialist, and management
Problems
Technical or non-technical
Analysis (technical, operational, economical, legal, schedule)
Report and presentation
Go or stop

7. Analysis Analysis items Documentation and reports
Geographic requirement (scope)
Traffic load analysis
Peak load (no. of message and length)
National & international busy hour
Traffic flow pattern by individual location (map)
Response time, reliability, & availability (cost)
Terminal operators (end users & their education background and needs)
Capacity growth projection (6 months to 5 years)
Constraint: time, cost, and compatibility
Documentation and reports

8. Alternatives Sources (vendors)
Availability (enchancements or new products)
Incompatibility issues
Costs/services trade off

9. Design Items Simulation Configuration diagram
Routing time (peak and average)
Response time (peak and average)
Delay consideration (queue)
Simulation
What if for routing, response, and delay

10. Selection Procedures
Request for proposal (RFP) or request for quotation (RFQ)
Selection criteria and its weight

11. Request for Proposal Title Table of contents
Description of organization
Problem definition
Operation requirements
Format of response
Evaluation criteria
Decision schedule
References

12. Description of Organization
Organization chart
Organization locations
Overview of system

13. Problem Definition
Error rate
Misrouting
Time consuming
Security

14. Operation Requirements
Reliability
Down time
Misrouting
Lost message
Transmission error
Performance
Throughput
Response time
Error rate

15. Format of Response - I Title Table of contents Overview
Software (function & feature)
Hardware (function, feature, & capacity)
Performance (future growth)
Site requirement
Conversion (installation, testing, & schedule)

16. Format of Response - II Maintenance (support) Costs Warranty Coverage
User Training
References
Other related information

17. Selection criteria Proposed solution Compatibility Security and backup
Price
Technical support
Product maintenance
Repair service
Financial viability

18. Vendor Response to RFP - I
Introduction
Executive summary
Table of contents
System design
System feature
Growth capacity
Installation and testing methods
Maintenance arrangements
Ongoing support
Installation schedule
Pricing and timing of payments
Warranty coverage
Training and education
Other Recommendation

19. Documentation Diagrams and maps Components list
Configuration and wiring
Components list
Hardware: model and specification
Software: version, release, no. of copies
Implementation plan (Gantt chart)
Milestones
Activities
Schedule

20. Management Approval Review and verification Management: budget Users
Operators
Management: budget

21. Purchasing Vendor agreement Get a experienced lawyer
Equipment configuration specification
Acceptance test
Schedule: delivery, installation, testing, operation
Location: delivery, installation, testing, operation
Other terms and conditions: payment, warranty, maintenance
Get a experienced lawyer

22. Training Types of instruction Educating Security and backup Classroom
Hand on
In house
Outside
Educating
Users
Operators
Maintenance crew
Security and backup

23. Testing Testing time Testing Tools Testing areas Software & hardware
IBM’s Telecommunication Network Simulator
Testing areas
Performance
Stress testing (load)
Error handling
Error recovery procedures

24. Conversion Types Help desk Vendor technicians or consultants
Parallel
Cut over
Pilot
Piece by piece
Help desk
Vendor technicians or consultants
Implementation problems cleanup

25. Audit After six months Check performance or success criteria
Formal report to management for proper actions

26. LAN Design Number of nodes Usage Traffic: day and time Disk storage
Speed
Security and backup
Compatibility
Management

27. Voice Network Design Peak load and average load Grade of service
Capacity & usage of circuits
Overdesigning or planned delay

28. Points to Remember Analysis and Design Implementation LAN
Voice Network Design

29. Discussion
Develop a simple request for proposal to add e-business to a traditional department store.