Computer science. Creating a small network

User Generated

enirapbng

Computer Science

Description

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You have inherited a network design, and need to implement it ASAP.  It is not the best architected, but you have no time for a redesign.

Initial Network Requirements:

  • 4 Class C networks (192.168.n.0)
    • 4 departments
    • each on their own network
      •  Development
      • Human Resources (HR)
      • IT Support
      • Sales and Marketing
    • Each network will, near term, have no more than 30 hosts
    • Assume the four networks will initially have 8, 2, 4, and 7 workstations respectively
    • Assume each network (department) also has its own networked printer
  • 1 Class B backbone (172.16.n.0) (fast Ethernet)
    • Each department will be connected to the backbone by their own gateway
  • All PCs will need to communicate with each other
  • Only PCs in their own (sub)network can print to their printer (Bonus Challenge)

Design to be upgradeable:

  • Number of Networks may increase to about 50 maximum
  • 4 of the future networks may grow to about 400-450 hosts - but never more than 500
  • Remaining networks will never expand beyond 50 hosts per network
  • The backbone will be upgraded to a 1Gb or 10Gb network from the current Fast Ethernet (100M)
    • Might be copper, might be fiberoptic or some new technology

Deliverables:

  • Complete high-level description of the initial network with diagrams and addresses
  • for all devices
    • Clearly document an algorithm so PCs, printers (other equipment?) can easily and systematically added to the network with a proper, unique IP address
      • e.g. workstations will be within an address range, printers in another, etc.
    • Assign initial addresses to the workstations, printers, and any other network hardware using the above algorithm
    • Document how networks or subnets will be addressed (numbered)
  • Description of routing tables required for the initial system
    • High level
  • Discussion of how the network can be upgraded
    • Changes to network to handle new workstations and networks
    • Where changes aren't needed
  • This initial design is not ideal
    • Discuss where the design could be improved
    • Specifically the addressing scheme

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