CIS 505 Elastic and Inelastic Traffic DNS

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CIS 505: Communication Technologies

Strayer University

DNS and Cable Modem Services Region

DNS could only cover a limited area without a repeater. Therefore, it always to be used as a local loop WAN link. According to Dean (2009), "DNS uses advanced data modulation techniques to achieve extraordinary throughput over regular telephone lines." (Dean, 2009) There are variety types of DNS and the types could be divided as asymmetrical and symmetrical. ADNS is the most common type of DNS that connect home network to the Internet through telecommunications switches. The DNS connection needs a DNS model to alternate signals between the telephone line and the computer.

DNS makes use of the existing telephone infrastructure as the...