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Fast packet switching

About: Fast packet switching is a research topic. Over the lifetime, 5641 publications have been published within this topic receiving 111603 citations.


Papers
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Proceedings ArticleDOI
17 Nov 2002
TL;DR: The smoothing effect of assembly algorithms, which changes the statistical properties of packet flows, and and that assembly algorithms smooth the short range burstiness in packet traffic and thus enhance the loss performance in OBS are analyzed.
Abstract: This paper studies loss performance of optical burst switching (OBS) with assembled burst traffic input by exploring the characteristics of assembled burst traffic. We analyze the smoothing effect of assembly algorithms, which changes the statistical properties of packet flows, and and that assembly algorithms smooth the short range burstiness in packet traffic and thus enhance the loss performance in OBS. Based on the characteristics of such assembled burst traffic, an accurate loss model for OBS is provided, which works much better than traditional loss models in packet switching networks.

40 citations

Patent
26 Oct 2012
TL;DR: In this article, a packet switch receives a management packet sent for discovery on a data flow's path through a network and creates a test packet (310T) which looks like a packet belonging to the data flow of interest.
Abstract: A packet switch receives a management packet sent for discovery on a data flow's path through a network. The switch creates a test packet (310T) which looks like a packet belonging to the data flow of interest. The test packet is processed by the switch like the data flow of interest except that the test packet is not necessarily transmitted. The processing results may include the egress ports for the test packet, and if the ports are part of a LAG or ECMP group, the results provide the group and the group members associated with the egress ports. Firewall actions and other information can be included. The switch may forward the results to the originator of the management packet. The switch may insert the results into the management packet and forward the management packet on the ports determined as egress ports for the test packet. Other features are also provided.

40 citations

Journal ArticleDOI
TL;DR: Optical dynamics requirement for packet-over-WDM networks is analyzed, yielding multiterabit/second throughput capability by employing submicrosecond switching technology.
Abstract: Optical dynamics requirement for packet-over-WDM networks is analyzed. Optimization among optical switching speed, global resource availability, and local queuing considerations is performed, yielding multiterabit/second throughput capability by employing submicrosecond switching technology.

40 citations

Patent
Risto Mononen1
18 May 2006
TL;DR: In this article, the authors present a protocol for processing packet data in a communication system supporting at least packet data transfer, where data transmission resources for a communications device are limited in response to determining anomalous behaviour of the source, and transmission of packet data for the communications device is provided using limited transmission resources.
Abstract: Processing of packet data in a communication system supporting at least packet data transfer involves the following. Packet data is received from a source. It is determined, based on the received packet data, whether there is anomalous behaviour of the packet data source. Data transmission resources for a communications device are limited in response to determining anomalous behaviour of the source, and transmission of packet data for the communications device is provided using the limited transmission resources. The communications device is either the source or a destination of at least part of the packet data received from the source. In the communication system, access to a set of services from the communications device may furthermore be blocked.

40 citations

Patent
Jonathan S. Turner1
14 Jan 1983
TL;DR: In this article, the authors describe a packet switching system in which packets comprising logical addresses and voice/data information are communicated through the system by packet switching networks which are interconnected by high-speed digital trunks with each of the latter being directly terminated on both ends by trunk controllers.
Abstract: A communication method and packet switching system in which packets comprising logical addresses and voice/data information are communicated through the system by packet switching networks which are interconnected by high-speed digital trunks with each of the latter being directly terminated on both ends by trunk controllers. During initial call setup of a particular call, central processors associated with each network in the desired route store the necessary logical to physical address information in the controllers which perform all logical to physical address translations on packets of the call. Each network comprises stages of switching nodes which are responsive to the physical address associated with a packet by a controller to communicate this packet to a designated subsequent node. The nodes provide for variable packet buffering, packet address rotation techniques, and intranode and internode signaling protocols. Each packet has a field which is automatically updated by the controllers for accumulating the total time delay incurred by the packet in progressing through the networks. Each processor has the capability of doing fault detection and isolation on the associated network, trunks, and controllers by the transmission of a single test packet. The testing is done solely in response to the test packet and no preconditioning of controllers or networks is necessary.

40 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20222
20191
20186
201749
201699
2015159