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The evolution of packet switching
Proceedings of the IEEE, 1978Over the past decade data communications has been revolutionized by a radically new technology called packet switching. In 1968 virtually all interactive data communication networks were circuit switched, the same as the telephone network. Circuit switching networks preallocate transmission bandwidth for an entire call or session.
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Introduction to Packet Switching
1977The first network developments were an extension of the input-output system of the computer. They acted simply as a distribution network for a central computer. Figure 1 illustrates the forms that they took, in particular the multidrop line and then the concentrator which, by applying some intelligence remotely, can reduce the overhead traffic on the ...
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1993
The telephone network is basically a circuit-switched network where a circuit is allocated for the whole duration of the call. This is a satisfactory mode of operation for speech conversation, where the circuit is used more or less continuously by one subscriber or the other.
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The telephone network is basically a circuit-switched network where a circuit is allocated for the whole duration of the call. This is a satisfactory mode of operation for speech conversation, where the circuit is used more or less continuously by one subscriber or the other.
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Buffer Management in a Packet Switch
IEEE Transactions on Communications, 1978Consider a single packet switch with a finite number of packet buffers shared between several output queues. An arriving packet is lost if no free buffer is available, as in the CIGALE network. It has been observed by simulation that if load increases too much, congestion may occur, i.e., throughput declines; it appears that the busiest link's queue ...
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Modeling bufferless packet-switching networks with packet dependencies
Computer Networks, 2009In this paper we present a stochastic network model for packet-switching networks with no buffering capabilities at the nodes. This model can be directly used in the study of all-optical packet-switching (OPS) and optical burst switching (OBS) networks without fiber delay lines (FDLs). Our model provides for the first time a complete description of the
De Vega Rodrigo, Miguel +2 more
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1997
LANs such as Ethernet and Token Ring provide a high speed connection compared to WANs such as X.25; they allow workstations to communicate at high speed with little delay, creating a seamless environment where the end users are unaware of the supporting network.
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LANs such as Ethernet and Token Ring provide a high speed connection compared to WANs such as X.25; they allow workstations to communicate at high speed with little delay, creating a seamless environment where the end users are unaware of the supporting network.
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2005
We discuss packet switching for single-queue, multi-queue buffers and CIOQ buffers. We evaluate the algorithms by competitive analysis. We also mention the zero-one principle that applies to general switching networks.
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We discuss packet switching for single-queue, multi-queue buffers and CIOQ buffers. We evaluate the algorithms by competitive analysis. We also mention the zero-one principle that applies to general switching networks.
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Service disciplines for guaranteed performance service in packet-switching networks
Proceedings of the IEEE, 1995Hui Zhang
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