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	Carrier sense multiple access with collision detection - Wikipedia, the free encyclopedia
		CSMA/CD is a modification of pure Carrier Sense Multiple Access (CSMA).
		Collision detection is used to improve CSMA performance by terminating transmission as soon as a collision is detected, and reducing the probability of a second collision on retry.
		CSMA/CD is a layer 2 protocol in the OSI model.
	www.wikipedia.org /wiki/Carrier_sense_multiple_access_with_collision_detection (260 words)

	Carrier sense multiple access with collision detection
		Multiple Access means that multiple (really: more than two) stations can share (or access) the network at a time.
		Carrier Sense means that a station that has data to transmit listens for a carrier before transmitting.
		Collision Detect means that a transmitting station listens to the media, comparing the data it is transmitting with the data being received (seen) on the media.
	www.ebroadcast.com.au /lookup/encyclopedia/cs/CSMA-CD.html (213 words)

	Read about Carrier sense multiple access with collision avoidance at WorldVillage Encyclopedia. Research Carrier sense ... (Site not responding. Last check: 2007-10-24)
		Collision avoidance is used to improve the performance of CSMA by attempting to reserve the network for a single transmitter.
		Collision avoidance is particularly useful in media such as radio, where reliable collision detection is not possible.
		Carrier sense multiple access with collision detection (CSMA/CD), which uses another technique to improve CSMA performance.
	encyclopedia.worldvillage.com /s/b/CSMA/CA (287 words)

	CSMA/CD
		The Ethernet network may be used to provide shared access by a group of attached nodes to the physical medium which connects the nodes.
		The collision will result in the corruption of the frame being sent, which will subsequently be discarded by the receiver since a corrupted Ethernet frame will (with a very high probability) not have a valid 32-bit MAC CRC at the end.
		After 3 collisions, N = 3, and the set is {0, 1, 2, 3, 4, 5, 6, 7}, that is a one in eight chance of collision.
	www.erg.abdn.ac.uk /users/gorry/course/lan-pages/csma-cd.html (2299 words)

	Truncated binary exponential backoff - Encyclopedia, History, Geography and Biography
		Examples are the retransmission of packets in carrier sense multiple access with collision avoidance (CSMA/CA) and carrier sense multiple access with collision detection (CSMA/CD) networks, where this algorithm is part of the channel access method used to send data on these network.
		In Ethernet networks, the algorithm used to schedule retransmission after a collision is that the retransmission is delayed by an amount of time derived from the slot time and the number of attempts to retransmit.
		After i collisions, a random number of slot times between 0 and $2^i-1$ is chosen.
	www.arikah.net /encyclopedia/Truncated_binary_exponential_backoff (314 words)

	Local network testing using carrier sense multiple access and collision detection (CSMA/CD) - Patent 4945532
		(c) After detection- of a collision, there is transmission of interference data, followed by a return to silence; this means that if a DTE detects a collision, it continues to transmit for a certain time, termed the jamming duration, then ceases to transmit.
		When a collision is detected, the diode lights, and informs the operator utilizing the tester that a collision has in fact been detected.
		It is thus seen that the multicollisions mode which limits the number of collisions to 16 enables the repeater to detect the collisions correctly, those collisions being produced in a sufficient number, without the risk of having the elementary segment to which it is assigned taken out of operation.
	www.freepatentsonline.com /4945532.html (7767 words)

	Binary logarithmic arbitration method for carrier sense multiple access with collision detection network medium access ...
		A host may detect a collision by comparing the data that it transmits to the signal it measures on the channel.
		Since collisions waste channel bandwidth, it is vital that the number of collisions be minimized to decrease the load on the channel.
		Collisions may be caused by hosts that are newly active, or by hosts using the standard Ethernet protocol rather than the present invention.
	www.freepatentsonline.com /5600651.html (6014 words)

	Carrier sense multiple access with collision ... - Wikipedia, the free encyclopedia
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	Carrier sense multiple access with collision avoidance - RecipeFacts (Site not responding. Last check: 2007-10-24)
		Carrier sense multiple access with collision avoidance - RecipeFacts
		CSMA/CA is a modification of pure Carrier Sense Multiple Access (CSMA).
		Compare use of the jamming signal in Carrier sense multiple access with collision detection (CSMA/CD), which uses another technique to improve CSMA performance.
	www.recipeland.com /encyclopaedia/index.php/CSMA-CA (295 words)

	[No title]
		CSMA/CD Carrier sense multiple access with collision detection can be described using this simple logic process: 1.
		Jam: Continue to transmit signal when a collision is detected to ensure that everyone knows there was a collision.
		Back-off: When a collision is detected, each transmitting station waits a period of time before attempting to transmit again.
	condor.depaul.edu /~jkristof/1999Aut463/1999Aut463-Notes03.txt (899 words)

	Sample Chapter from MCSE Academic Learning Series, Networking Essentials Plus, Third Edition
		Due to attenuation—the weakening of a transmitted signal as it travels farther from its source, discussed in Chapter 2, "Network Media"—the collision detection mechanism is not effective beyond 2500 meters (1.5 miles).
		Segments cannot sense signals beyond that distance and, therefore, might not be aware that a computer at the far end of a large network is transmitting.
		CSMA/CD is known as a contention method because computers on the network contend, or compete, for an opportunity to send data.
	www.microsoft.com /mspress/books/sampchap/4077a.asp (1154 words)

	Networks (Site not responding. Last check: 2007-10-24)
		Carrier Sense Multiple Access with Collision Detection (CSMA/CD) is the medium access method used by Ethernet networks, and operates at the MAC sublayer of the OSI/ISO Reference Model.
		Carrier sense in this context means that nodes "listen" to the transmission medium and attempt to transmit only when they sense that the medium is free.
		CSMA/CD is described as a contentious means of gaining access to the medium, since any number of nodes compete with one another for the right to transmit.
	www.acerimmeronline.com /networks/csma_cd.html (294 words)

	C (Site not responding. Last check: 2007-10-24)
		An access method by which each computer signals its intent to transmit before it actually transmits data, thus avoiding possible transmission collisions.
		Using CSMA/CD, a station "listens" to the physical medium to determine whether another station is currently transmitting a data frame.
		The multiple access indicates that there are multiple stations attempting to access or put data on the cable at the same time.
	www.banging-it.com /help/glossary/c.htm (1827 words)

	Carrier sense multiple access with collision detection - Encyclopedia, History, Geography and Biography
		Carrier sense multiple access with collision detection - Encyclopedia, History, Geography and Biography
		This encyclopedia, history, geography and biography article about Carrier sense multiple access with collision detection contains research on
		Carrier sense multiple access with collision detection, References, Channel access methods and Ethernet.
	www.arikah.net /encyclopedia/CSMA-CD (215 words)

	CSMA/CD (Carrier Sense Multiple Access/Collision Detection) (Linktionary term)
		CSMA is a network access method used on shared network topologies such as Ethernet to control access to the network.
		Even though devices attempt to sense whether the network is in use, there is a good chance that two stations will attempt to access it at the same time.
		CSMA/CD (carrier sense multiple access/collision detection) CD (collision detection) defines what happens when two devices sense a clear channel, then attempt to transmit at the same time.
	www.linktionary.com /c/csma.html (380 words)

	Sample Chapter from MCSE Training Kit, Networking Essentials Plus, Third Edition (Site not responding. Last check: 2007-10-24)
		Carrier-sense multiple access with collision avoidance (CSMA/CA) is the least popular of the three major access methods.
		In the access method known as token passing, a special type of packet, called a token, circulates around a cable ring from computer to computer.
		When using the CSMA/CD access method, a computer waits until the network is quiet and then transmits its data.
	www.microsoft.com /mspress/books/WW/sampchap/1956a.asp (2070 words)

	Citations: Performance Analysis of Carrier Sense Multiple Access with Collision Detection - Tobagi, Hunt (ResearchIndex)
		The result for the case of no collision detection (b = 1) was given incorrectly in [10] and was corrected in [4] The plot in [4] however, was for the result in [10] the corrected plot was given by Molle [6] IV.
		The nodes in a wired LAN are able to detect collisions on the transmission channel.Collision detection allows a node to recognize when another transmission is interfering with one of its own.
		This detection is not always easy as we are dealing with moving vehicles: Vehicle V i may belong to the intersection of two active zones or cells, and due to the imultiple pathj problem, two vehicles each belonging....
	citeseer.ist.psu.edu /context/45587/0 (2750 words)

	Main Definitions List
		A network that uses multiple carrier frequencies to transmit multiplexed signals on a single cable.
		Carrier Sense Multiple Access with Collision Detection is the Ethernet media access method.
		The term "observation" is used in the same sense that exposure is used in astronomy or photography.
	www.sesd.stsci.edu /acronym/terms2.html (10180 words)

	Common interface for a network having different communication media employing a carrier sense multiple access with ...
		The means for determining whether the station operates properly in the first mode may further include means for testing for the presence of input data signals when the station is not actively transmitting, whereby the input data signals on the transmit signal pair are indicative of network operation in the second mode.
		Connector 50 is a 10BASE-T connector defined in the IEEE standards as the appropriate connection for connection to a network using the Carrier Sense Multiple Access with Collision Detection (CSMA/CD) protocol and a twisted-pair communication medium.
		Because the Data In (DI) signals and the Collision In (CI) signals in the AUI interface are generated in the MAU, i.e.
	www.freepatentsonline.com /5838989.html (8001 words)

	Tom's Hardware Guide Networking: Toolbox 10/100 Ethernet - Specifications (Site not responding. Last check: 2007-10-24)
		Carrier Sense Multiple Access - When a device or node has data to transmit, the node first listens to the cable to see if anyone else is transmitting a carrier signal.
		Collision Detection - When a device has data waiting to be sent, it will monitor its own transmission.
		A collision is observed, as the current is in excess of that the node is generating.
	www.tomsnetworking.com /network/20021122/linksys-02.html (583 words)

	Siemens Communications Lexicon - automatic baud rate detection (ABR)
		Access method with carrier sensing, and collision detection based on a random access method that controls access to the wire on local networks (LANs) based on bus topologies.
		The signal level on the wire increases; this is referred to as a collision level.
		As all transmitting nodes continually monitor the collision level on the wire, they can immediately cancel a transmission if a collision occurs.
	networks.siemens.com /communications/lexicon/2/f005372.htm (184 words)

	Carrier Sense Multiple Access/Collision Detect - a Whatis.com definition - see also: CSMA/CD
		Carrier Sense Multiple Access/Collision Detect (CSMA/CD) is the protocol for carrier transmission access in Ethernet networks.
		If another device has tried to send at the same time, a collision is said to occur and the frames are discarded.
		CSMA/CD is specified in the IEEE 802.3 standard.
	searchnetworking.techtarget.com /sDefinition/0,,sid7_gci213869,00.html (208 words)

	Carrier sense multiple access with collision detection : CSMA/CD (Site not responding. Last check: 2007-10-24)
		Carrier sense multiple access with collision detection : CSMA/CD terms defined : Carrier sense multiple access with collision detection : CSMA/CD
		All is still licensed under the GNU FDL.
		In case of a defaulting functions of the priest until the necessary payments should be.
	www.termsdefined.net /cs/csma---cd.html (413 words)

	Carrier sense multiple access with collision detection: Definition and Links by Encyclopedian.com - All about Carrier ...
		Carrier sense multiple access with collision detection: Definition and Links by Encyclopedian.com - All about Carrier sense multiple access with collision detection
		Quick Research: Carrier sense multiple access with collision detection
		Definition / meaning of Carrier sense multiple access with collision detection:
	www.encyclopedian.com /cs/CSMA-CD.html (254 words)

	kbAlertz: (278870) - Microsoft Networking is based on the Ethernet 802.3 standard (Carrier Sense Multiple Access with ...
		For this reason, a network adapter with AUI/DIX or BNC connectors must implement collision detection to be in compliance with the Ethernet 802.3 standard specifications.
		The use of hubs no longer made it a requirement that each network adapter do collision detection as that function is required in the hub and "daisy chaining" one network adapter to another longer needed to be a consideration in network adapter design.
		Even though the 10BaseT addendum to the Ethernet 802.3 standard specifications recommends that collision detection be implemented in the network adapter, it is not a requirement for manufactures of a network adapter to follow this recommendation to bring, for example, a 10BaseT network adapter in compliance with the Ethernet 802.3 standard specifications.
	www.kbalertz.com /kb_278870.aspx (776 words)

	Definition: multiple access (Site not responding. Last check: 2007-10-24)
		The connection of a user to two or more switching centers by separate access lines using a single message routing indicator or telephone number.
		In computer networking, a scheme that allows temporary access to the network by individual users, on a demand basis, for the purpose of transmitting information.
		Note: Examples of multiple access are carrier sense multiple access with collision avoidance (CSMA/CA) and carrier sense multiple access with collision detection (CSMA/CD).
	www.its.bldrdoc.gov /fs-1037/dir-023/_3427.htm (134 words)

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