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Topic: Packet switching node

	Packet switching - Wikipedia, the free encyclopedia
		Packet switching is used to optimize the use of the bandwidth available in a network, to minimize the transmission latency (i.e.
		Packet switching influenced the development of the Actor model of concurrent computation in which messages sent to the same address may be delivered in an order different from the order in which they were sent.
		Packet switching is also called connectionless networking, because it is the opposite of circuit switched or connection-oriented networking, although technologies such as MPLS are beginning to blur the boundaries between the two.
	en.wikipedia.org /wiki/Packet_switching (1420 words)

	Multiplexed interconnection of packet switching node packages - Patent 4577308
		The substreams are transmitted to inputs of a plurality of switching nodes.
		Packet output ports 2462, 2472, and 2482, of the locks 246, 247, 248, respectively, are connected by lines 1103, 1104, and 1105, respectively, to the packet inputs 2402, 2412, and 2422, respectively, of the nodes 240, 241, and 242, respectively.
		Packet input ports 2730, 2740, and 2750, of the locks 273, 274, and 275, respectively, are connected by lines 1200, 1201, and 1202, respectively, to packet outputs 2703, 2713, and 2723, respectively, of the nodes 270, 271, and 272, respectively.
	www.freepatentsonline.com /4577308.html (13562 words)

	Load balancing for packet switching nodes - Patent 4621359
		The packet switching node processes applied data packets containing routing tag signals indicative of the output port destinations to which the data packets are addressed, and routes these packets to the identified output ports.
		The packet switching node comprises a plurality of input ports and a plurality of output ports.
		One channel of the packet switching node 21 comprises an input port 22 and a plurality of output ports 26.
	www.freepatentsonline.com /4621359.html (5566 words)

	Packet switching (Site not responding. Last check: 2007-10-29)
		In computer network ing and telecommunications, packet switching is a communications paradigm in which packet s (messages or fragments of messages) are individually routed between node s, with no previously established communication path.
		Packet switching was invented by Donald Davies and Paul Baran in the early 1960s.
		Packet switching is used to optimise the use of the bandwidth available in a network and to minimise the latency.
	www.serebella.com /encyclopedia/article-Packet_switching.html (579 words)

	Packet Switching
		Packet switching might be more economical than using private lines if the amount of traffic between terminals does not warrant a dedicated circuit.
		Packet switching might be more economical than dialed data when the data communication sessions are shorter than a telephone call minimum chargeable time unit.
		Data packets move from one DSE to another in a manner that allows packets from many sources and to many destinations to pass through the same internode path in consecutive time sequence.
	www.samhassan.com /PacketSwitching.htm (1765 words)

	ARPANET article - ARPANET fair Department Defense packet switching Internet Packet switching - What-Means.com (Site not responding. Last check: 2007-10-29)
		Packet switching, now the dominant basis for both data and voice communication worldwide, was a new and important concept in data communications.
		Previously, data communications was based on the idea of circuit switching, as in the old typical telephone circuit, where a dedicated circuit is tied up for the duration of the call, and communication is only possible with the single party (machine) on the other end of the dedicated circuit.
		With packet switching, a system could use one communication link to communicate with more than one machine by assembling data into packets.
	www.what-means.com /encyclopedia/ARPANET (1415 words)

	The Evolution of Packet Switching
		Packet witching has been so successful, not only in improving the economics of data communications but in enhanang reliability and functional flexibility as well, that in 1978 virtually all mew data networks being built throughout the world are based on packet switching.
		Packet switching technology was not really an invention, but a reapplication of the basic dynamic-allocation techniques used for over a century by the mail, telegraph, and torn paper tape switching systems.
		A packet switched network only allocates bandwidth when a block of data is ready to be sent, and only enough for that one block to travel over one network link at a time.
	www.packet.cc /files/ev-packet-sw.html (6281 words)

	All-Optical Packet Switching for Metropolitan Area Networks: Opportunities and Challenges
		Although packets are sent to a different node, this node should be able to route the packet toward its final destination.
		Moreover, for the all-optical packet switch to be competitive with the upcoming terabit high-speed IP routers or LSRs, it should operate beyond 10 Gb/s per wavelength to actually take advantage of the optical transparency of the payload data.
		All-optical packet switching appears to be a suitable candidate to build a flexible, high-throughpu, scalable MAN. Powered by the generalized MPLS protocols, such all-optical packet-switched networks are able to provide different switching granularities (e.g., packets, bursts, and circuits), and support different user data formats.
	www.comsoc.org /ci/private/2001/mar/yao.html (4794 words)

	Packet Switching
		Packet switching refers to protocols in which messages are broken up into small packets before they are sent.
		Packet switching's main difference from Circuit Switching is that that the communication lines are not dedicated to passing messages from the source to the destination.
		In Packet Switching, different messages (and even different packets) can pass through different routes, and when there is a "dead time" in the communication between the source and the destination, the lines can be used by other routers.
	www2.rad.com /networks/1998/packet/ps.htm (651 words)

	Packets and Packet-Switching Networks (Linktionary term)
		A packet is a unit of data that is transmitted across a packet-switched network.
		Packets have a header and a data area.
		Packets are broken up into frames for delivery across a network; but, when the frames reach the next router, the packet information is examined by the router and a decision is made about how to forward the packet across the next link.
	www.linktionary.com /p/packet-switching.html (1522 words)

	Network and System Concepts for Optical Packet Switching
		Photonic packet node interfacing functions must avoid any interference with the content and bit rate/coding of the payload in order to keep the transparency, which is a key issue of the optical packet concept.
		It is worth noticing that the whole node control is based on electronic technology because a high level of functionality at a low bit rate is required to manage the optical packet buffering and routing across the switch.
		The node reference control signals are supposed to be derived from a clock distribution network which could be dedicated or derived from an existing one (i.e., the synchronization network of the SDH hierarchy).
	www.comsoc.org /ci/private/1997/apr/Renaud.html (5339 words)

	Networks (Site not responding. Last check: 2007-10-29)
		The routes that the packets pass, are not chosen according to an algorithm which finds the shortest path between the source and the destination, but each node chooses randomly to which one of its connected nodes to pass the packet.
		The two nodes at the left of the net, colored in green and magenta, are the two message sources.
		These messages are broken into packets which are numbered serially and colored in the same color as their source node.
	www2.rad.com /networks/1998/packet/sim.htm (375 words)

	Resilience in Optical Burst Switching Network (Site not responding. Last check: 2007-10-29)
		The main feature of this switching is the two-way reservation process: In phase one, where the source sents a request for setting up a connection/circuit and waits for an acknowledgement from the corresponding edge node.
		Packet 3 is arriving later than 2, has to be switched to another wavelength or otherwise it will be dropped.
		From now on, we will assume a wavelength conversion capability at all nodes as done in most of the reference papers [ref 9, 10, 11, 12], although the possibility is also given of a partial wavelength conversion [ref 2] on a network, meaning that only some main nodes are capable of WL conversion.
	www.tu-harburg.de /~seam0402/diplomarbeit/DiplomarbeitResilienceinOBSN.html (2545 words)

	X.25 Packet Switching - X.25 Card - Linux Telephony - HDLC - Frame Relay - ATM (Site not responding. Last check: 2007-10-29)
		Packet Switching is a technique whereby the network routes individual packets of HDLC data between different destinations based on addressing within each packet.
		The larger the packet size and the lower the line speed the longer the latency period.
		Maximum packet sizes vary from 64 bytes to 4096 bytes, with 128 bytes being a default on most networks.
	www.sangoma.com /x25.htm (1136 words)

	OPSnet: Optical Packet Switching for the Internet
		The OPSnet Node Simulator is a C++ discrete-event simulator which models the behaviour of a unit module of the OPSnet packet-switching node.
		This unit module is essentially a single-wavelength asynchronous optical packet switch.
		The destination is a uniform distribution; the packet length and gap width can be generated using a number of different distributions.
	www.dcs.gla.ac.uk /~wim/opsnet.shtml (270 words)

	Len Kleinrock: The Birth of the Internet
		In this work, he developed the basic principles of packet switching, thus providing the fundamental underpinnings for that technology.
		It was their job to take the specification and develop a computer that could act as the switching node for the packet-switched ARPANET.
		This meant that the first switch (known as an Interface Message Processor - IMP) would arrive on the Labor Day weekend, 1969, and the UCLA team of 40 people that Kleinrock organized would have to provide the ability to connect the first (host) computer to the IMP.
	www.lk.cs.ucla.edu /LK/Inet/birth.html (1863 words)

	Packet-switching node -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-29)
		Packet-switching node -- Facts, Info, and Encyclopedia article
		Packet-switching node: In a packet-switching network, a ((astronomy) a point where an orbit crosses a plane) node that contains (A collection of facts from which conclusions may be drawn) data switches and equipment for controlling, formatting, transmitting, (Click link for more info and facts about routing) routing, and receiving data packets.
		Source: From (Click link for more info and facts about Federal Standard 1037C) Federal Standard 1037C and from (Click link for more info and facts about MIL-STD-188) MIL-STD-188
	www.absoluteastronomy.com /encyclopedia/p/pa/packet-switching_node.htm (87 words)

	address.ca - packet (Site not responding. Last check: 2007-10-29)
		Super prices on stamp mixtures, packets and single stamps from around the world.
		In a new book by FNCÂ’s John Gibson, he argues that there is a Liberal plot to ban the Christian holiday of Christmas.
		the employee, police found a glove packet with the same serial number as the packet found near the body - and blood spatters which matched the DNA of the dead man. Shreds of metal
	www.address.ca /packet/reference/search (227 words)

	EFF "Net info - Technical Topics" Archive
		By contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and change free software to make sure the software is free for all its users.
		This is an overview of how the agency backbones route IP (Internet Protocol) packets at this time, with any generalizations that can be made and statements of their differences.
		Also included are recommendations from the agency backbones about how other networks that connect to them can best set up their inter administration routing.
	www.eff.org /Net_culture/Net_info/Technical (946 words)

	Assaf Shacham - Publications (Site not responding. Last check: 2007-10-29)
		[1] A. Shacham, B.A. Small, K. Bergman, A Wideband Photonic Packet Injection Control Module for Optical Packet Switching Routers, to appear in IEEE Photon.
		[2] A. Shacham, B.G. Lee, K. Bergman, A Wideband, Non-Blocking, 2x2 Switching Node for a SPINet Network, to appear in IEEE Photon.
		[6] A. Shacham, B. Lee, K. Bergman, Dynamic Injection Control Module for Optical Packet Switching Fabrics, in proc.
	www.ee.columbia.edu /~assaf/publications.html (328 words)

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