Networking and Telecommunications 16 The Network Life Cycle

Initial Steps v Survey user needs (hardware and software), communicate v Survey present setup

Choosing a Lan/Wan: v Topology, Ethernet vs. Token Ring, Costs, Size v Cable, hardware,

Installation v v v v Logs and diagrams of all cables and hardware List

Managing a Network v Number of lan administrators (full/part-time) v Document, document v Tape

Managing a Network (cont. ) v Network management tools: v hubs, switches, printers and

Testing and Problem Solving v Cable testers and other hardware test equipment v Software

Reliability v Frequent backups, offsite storage of backups v UPS v Disk mirroring, disk

Disaster Recovery v Fire, riot, war, floods v Disaster recovery plans v Offsite (tapes,

Slides: 14

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Networking and Telecommunications 16. The Network Life Cycle Lan Install and Management 5/26/2021 1

Initial Steps v Survey user needs (hardware and software), communicate v Survey present setup (hardware, software, wiring, buildings) v Cost analysis, initial reports (feasibility studies) v Make presentations and gather support/funding 5/26/2021 2

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Choosing a Lan/Wan: v Topology, Ethernet vs. Token Ring, Costs, Size v Cable, hardware, NOS, applications/services v Internet connections? 5/26/2021 4

Installation v v v v Logs and diagrams of all cables and hardware List of all software installed, license metering Cable backbone critical, plan for future, be careful with install Test all connections/wires after install Install cables, and hardware (servers, clients, printers, routers, Hubs, switches, ups, repeaters, external disks, tape backup systems. . ) Install NOS, software applications and client operating systems Test, test 5/26/2021 5

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Managing a Network v Number of lan administrators (full/part-time) v Document, document v Tape backups (daily, weekly, archive, offsite) v Install/upgrade hardware over time v Install/upgrade NOS and other applications v Test, test 5/26/2021 7

Managing a Network (cont. ) v Network management tools: v hubs, switches, printers and other net devices v no management via dumb terminal directly connected v telnet/login management v snmp software (hp openview) v web interface management tools Communication (with users, within department) v Keep eye on security v 5/26/2021 8

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Testing and Problem Solving v Cable testers and other hardware test equipment v Software testers, lan sniffers, network analyzers v Traffic history, automatic alarms, monitoring consoles v Warranties, maintenance contracts 5/26/2021 10

Reliability v Frequent backups, offsite storage of backups v UPS v Disk mirroring, disk duplexing, raid v Redundant hardware (servers) and software (Redundancy) v Staff Redundancy (backup staff) and training 5/26/2021 11

Disaster Recovery v Fire, riot, war, floods v Disaster recovery plans v Offsite (tapes, manuals, hardware/software) v Other recovery sites (other divisions, dark sites, 3 rd party sites (sunguard)) 5/26/2021 12

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THE END!! 5/26/2021 14