Posted: January 27th, 2016
Write a 2- to 3-page paper that includes the following based on your chosen organization option in Week Two:
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Kudler Network’s Fundamental Characteristics and Components
Kudler Fine Foods is a local upscale specialty food store located in the San Diego metropolitan area. The company has three locations: La Jolla, Del Mar and Encinitas. The original store networks were designed by a local computer store which is no longer in business and they were installed by a combination of employees of the computer store and their friends working on their own time. Performance in Kudler is okay but the checkouts of the local supermarkets are much faster. Kudler network’s fundamental characteristics and components focuses on network systems, data security, data integrity, system response time, network topology, network protocols and network reliability and uptime.
Currently Kudler Foods are using an Ethernet network in each of their stations. Their workstations are connected together by the same cable. These cables that connect the stations are usually terminated at each end and wiring is done point to point. One workstation or cable can make the local area network (LAN) to fail. Despite all this Kudler Foods have kept the system up and running all the times. Kudler Foods have as well improved basic Ethernet network to increase the performance of their system.
Ethernet network that Kudler Foods use faces some challenges. When the task increases, the collisions increase thus causing delays and the response time is lowered. Every device connected via Ethernet network transmit data equally. This can create a problem in applications if a higher priority is desirable for a device connected in Ethernet network. Use of Ethernet by Kudler Foods has been very helpful since the system is inexpensive, easy to understand, use, implement and easy to configure and problems to the system only occurs only if the Ethernet network is heavily loaded (Spurgeon, Charles E. 2000).
Ethernet network uses a single length of coaxial cable, which is terminated at the ends in order to prevent signal reflections, to which passive taps that provide multiple access to the medium attaches stations. A station wishing to transmit a packet first senses the transmission medium to see if another station is transmitting; if not, it begins its own transmission. This is referred to as carrier sense and the term carrier sense multiple access (CSMA) is used to describe a class of basic Local Area Network designs that use it (Spurgeon, Charles E. 2000). There is a delay while the beginning of the packet propagates along the cable before all the other stations become aware that a transmission is in progress. During this acquisition time, another station may begin to transmit, resulting in a collision. The originating station listens to its own transmission and if a collision is detected, it aborts transmission of the packet and transmits a jamming signal to reinforce collision detection at other transmitters. This is known as CSMA with collision detection (CSMA/CD).
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