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Network Design and Implementation

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Presentation on theme: "Network Design and Implementation"— Presentation transcript:

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.

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