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Network Transmission Methods

There are different kinds of network transmission methods through which data in networking is transferred.  These methods include:  Frame relay, ISDN and Cable modem which are utilized by various users to transfer data in different networks.

This is a high-performance Wide Area Network (WAN) protocol which functions at the OSI reference model's data link and physical layers. Even though Frame Relay is currently being used over a number of other network interfaces, it was initially intended to be used over Integrated Services Digital Network (ISDN) interface.  It offers an efficient and fast mode of information transmission from a user appliance to routers and LAN bridges.  Additionally, its frame is conveyed to its destination through virtual circuits to the point of destination (CISCO, 2010).

Integrated Services Digital Network (ISDN)

ISDN is a general line for digital communication that is used for transmitting graphics, data, voice and video, across standard communication line at very high speed. It has a common, single interface that is used for accessing services for digital communication by different devices (CISCO, 2010). It however retains its transparency to the user. Businesses communications has been revolutionized by ISDN because of the huge amounts of information/data its lines can transmit. There are two kinds of ISDN: Primary Rate Interface (PRI) and Basic Rate Interface (BRI).

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According to CISCO, (2010), this is a kind of modem and Network Bridge which offers two-directional information communication over radio frequency controls on RFoG and HFC. Consequently its design is such that it operates over lines of cable TV and can be used to attain very fast access to the internet due to its coaxial cable providing larger bandwidth as compared to telephone lines. One can get data of almost 1.5Mbps by connecting to a local cable TV through a PC. Finally a cable modem is made up of two connections: the first one is to the outlet of the cable wall and the second one to a TV set or a PC.

Radio Frequency Identifier (RFID)

RFID is technology that integrates the use of electrostatic or electromagnetic pairing in the electromagnetic spectrum's radio frequency (RF) part for unique identification of animals, people and objects. It is use in industries has increased currently as a suitable replacement for bar code. This will be the best alternative for Star clothing over other modes of network transmission because it does not need line-of-sight or direct contact scanning. Its system is made is up of three components:  transceiver, transponder and antenna.  Star Clothing can use this to locate, track, monitor and mange major objects such as: staff, stock, assets and other sectors by attaching electronic tags gadgets to them (Bonsor & Keener, 2010).

RFID due to the nature of information it can be used to relay, it can use both cable modem and ISDN methods of data transmission. On the other hand, handheld inventory scanners take the shape of Frame Relay while portable cell phones will also use ISDN because transmits voice in addition to graphics, data and video (AIM, 2010).

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