• Small Office Network Cont . . .
  • Example of Branch Office Network
  • Branch Office Network
  • Branch Office Network Cont . . .
  • Microsoft Proxy Server 0 Presentation Outline




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    Small Office Network

    • Characteristic:
      • A single LAN segment.
      • Use of the IP network protocol.
      • Demand-dial connectivity to an ISP.
      • Fewer than 300 clients.
    • The proxy-based computers set up:
      • One NIC to the internal network.
      • One modem to the external network (Internet).
    • Uses Auto Dial for demand-dialing to Internet.
    • Caching is enabled and configured to limit the demand-dialing to the Internet.

    Small Office Network Cont . . .

    • Stores a local copy of popular URLs in dedicated disk drive.
    • Uses a single network security policy.
      • Password authentication.
      • User permissions.
      • Protocol definitions.
      • Domain, cache and packet filtering.

    Example of Branch Office Network

    • Internet
    • ISP
    • Proxy
    • Server
    • Array
    • Web Server
    • Mail Server
    • Router
    • Web Server
    • (Department LAN)
    • Web Server
    • Proxy server
    • (Win NT RAS client)
    • Router on
    • T1 line
    • Clients
    • LAN
    • Clients

    Branch Office Network

    • Characteristic . . .
      • A central office with several LAN segments.
      • A branch office with a single LAN segment.
      • Use of the IP network protocol.
      • Demand-dial connectivity from the branch office to the central office.
      • Dedicated-link connectivity from the central office to an ISP.
      • Fewer than 2,000 clients.
    • Auto Dial feature provides demand-dialing from remote office to central office.

    Branch Office Network Cont . . .

    • Proxy-based computer set up at branch:
      • One NIC to the local network (branch).
      • One modem to remote network at the central office.
    • Caching is enabled to minimize demand-dialing to central office and to reduce long-distance phone charge.
    • Active caching should not be used at remote branch.

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    Microsoft Proxy Server 0 Presentation Outline

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