IT 242 Week 5 - DQ 2 - 7773

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ISDNs are sometimes used in locations that do not support DSL or cable modem connections. Your choices may be analog modems or an ISDN connection in those remote locations. Describe three benefits ISDNs have over regular dial–up modem connections.

 

ISDN stands for Integrated Services Digital Network.  ISDN is intended to allow digital transmission of voice and data over ordinary telephone copper wires which create better voice quality over analog.  IDSN is capable of delivering voice, video, and data over several simultaneous connections.  ISDN is mainly used by the broadcasting industry due to it being a reliable way of switching low latency, high quality, and long distance audio circuits. 

 

There are two main points of view when looking into ISDN.  The first point is that of the end user, who wants to get a digital connection into the telephone/data network from home.  The performance would also be better than an analog modem connection.  The second point is that of the telephone industry where ISDN is a core technology.  The telephone network can be looked at as a collection of wires between system switches. 

 

One of the main differences is speed where ISDN can offer data rates over 1 Mbit/s.  Very good speeds compared to dial up which can only have about 56Kbit/s.  Another difference to look at is reliability of the connection. Because the ISDN traffic is digital that also means that it is more dependable and reliable.  One can also use ISDN line for data while using the telephone which is a big factor over dial up.  

Solution Description

 

ISDNs are sometimes used in locations that do not support DSL or cable modem connections. Your choices may be analog modems or an ISDN connection in