Information Technology

Queuing Theory and Telecommunications

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From the invention of the first telecommunication systems (i.e., telegraph and telephone networks) the importance of these technologies has been clearly evident. Humans need continuously to interact; the exchange of information of different types at distance is today essential. Telecommunications favor the development of countries and the diffusion of knowledge, and they are playing and will play a pivotal role in the society. Originally, telecommunications were simply conceived as links to transmit information between two points. At present, telecommunication systems are characterized by networks with nodes, where information is processed and properly addressed (i.e., switching), and links that interconnect nodes. The first telecommunication networks due to telegraphy were based on the transmission of messages. Then, telephone networks have been based on the establishment of a physical circuit at call setup in order to connect (for all the duration of the conversation) the source and the destination. Today’s networks are digital and based on the transmission of information organized in blocks, called packets, that are either independently routed along the nodes or forwarded through a virtual path connecting source and destination. Transmission media are distinguished according to a hierarchy in the network typology; in particular, twisted pairs (copper) or wireless transmissions are used for the user access, whereas optic fibers are employed for core network links.

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Detail Information

Series Title

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Call Number

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Publisher

: ., 2014

Collation

1-531

Language

English

ISBN/ISSN

978-1-4614-4084-0

Classification

NONE

Content Type

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Media Type

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Carrier Type

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Edition

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Subject(s)

Queuing Theory and Telecommunications

Specific Detail Info

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