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Topic: TCP

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  RFC 793 (rfc793) - Transmission Control Protocol
The TCP specification describes an interface to the higher level protocols which appears to be implementable even for the front-end case, as long as a suitable host-to-front end protocol is implemented.
TCP does not attempt to define what the user specifically does upon being notified of pending urgent data, but the general notion is that the receiving process will take action to process the urgent data quickly.
TCP implementors may violate the "quiet time" restriction, but only at the risk of causing some old data to be accepted as new or new data rejected as old duplicated by some receivers in the internet system.
www.faqs.org /rfcs/rfc793.html   (16066 words)

  Introduction to TCP/IP
Introduction to TCP/IP Summary: TCP and IP were developed by a Department of Defense (DOD) research project to connect a number different networks designed by different vendors into a network of networks (the "Internet").
TCP adds support to detect errors or lost data and to trigger retransmission until the data is correctly and completely received.
TCP was designed to recover from node or line failures where the network propagates routing table changes to all router nodes.
www.yale.edu /pclt/COMM/TCPIP.HTM   (2544 words)

  Transmission Control Protocol - Wikipedia, the free encyclopedia
Applications send streams of 8-bit bytes to TCP for delivery through the network, and TCP divides the byte stream into appropriately sized segments (usually delineated by the maximum transmission unit (MTU) size of the data link layer of the network the computer is attached to).
The TCP checks that no bytes are damaged by using a checksum; one is computed at the sender for each block of data before it is sent, and checked at the receiver.
TCP window scale, as defined in RFC 1323, is an option used to increase the maximum window size from 65,535 bytes to 1 Gigabyte.
en.wikipedia.org /wiki/Transmission_Control_Protocol   (2541 words)

 tcp - download tag - Softpedia
TCP Tunnel is a useful command line tool which allows you to forward TCP connections made to your computer
TCP Server Deux is a 4th Dimension component that offers a flexible cross-platform TCP level server.
TCP Client - Connect to any host on any TCP port, send data, and read the remote reply.
www.softpedia.com /downloadTag/tcp   (664 words)

 TCP, Transmission Control Protocol
TCP is typically used by applications that require guaranteed delivery.
Rather than increasing a TCP's congestion window based on the number of acknowledgments (ACKs) that arrive at the data sender (per the current specification [RFC2581]), the congestion window is increased based on the number of bytes acknowledged by the arriving ACKs.
During steady-state, TCP uses the Congestion Avoidance algorithm to linearly increase the value of cwnd.
www.networksorcery.com /enp/protocol/tcp.htm   (2249 words)

 Connected: An Internet Encyclopedia - TCP Protocol Overview   (Site not responding. Last check: )
TCP and IP are the twin pillars of TCP/IP.
TCP data is organized as a stream of bytes, much like a file.
All modern TCP implementations seek to answer this question by monitoring the normal exchange of data packets and developing an estimate of how long is "too long".
ie.activedomain.org /83.htm   (832 words)

 Transmission Control Protocol (TCP)   (Site not responding. Last check: )
TCP is stream oriented, that is, TCP protocol entities exchange streams of data.
To implement the service, TCP uses a number of protocol timers that ensure reliable and synchronised communication between the two End Systems.
TCP is defined by a number of RFCs published by the Internet Society.
www.erg.abdn.ac.uk /users/gorry/course/inet-pages/tcp.html   (256 words)

 What is TCP? - a definition from Whatis.com - see also: Transmission Control Protocol
While IP takes care of handling the actual delivery of the data, TCP takes care of keeping track of the individual units of data (called packets) that a message is divided into for efficient routing through the Internet.
TCP is known as a connection-oriented protocol, which means that a connection is established and maintained until such time as the message or messages to be exchanged by the application programs at each end have been exchanged.
TCP is responsible for ensuring that a message is divided into the packets that IP manages and for reassembling the packets back into the complete message at the other end.
searchnetworking.techtarget.com /dictionary/definition/what-is-TCP.html   (434 words)

 Understanding TCP/IP
A session is a connection over a TCP or UDP port that is made between two computers, either one of which is protected by Cisco Centri Firewall.
TCP provides reliable, full-duplex connections and reliable service by ensuring that data is resubmitted when transmission results in an error (end-to-end error detection and correction).
Applications that require the host-to-host transport protocol to provide reliable data delivery use TCP because it verifies that data is delivered across the network accurately and in the proper sequence.
www.cisco.com /univercd/cc/td/doc/product/iaabu/centri4/user/scf4ap1.htm   (3975 words)

 What is TCP? - A Word Definition From the Webopedia Computer Dictionary
TCP is one of the main protocols in TCP/IP networks.
Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data.
TCP guarantees delivery of data and also guarantees that packets will be delivered in the same order in which they were sent.
www.webopedia.com /TERM/T/TCP.html   (306 words)

 RFC 793 - Transmission Control Protocol. J. Postel.
September 1981 Transmission Control Protocol Introduction TCP is based on concepts first described by Cerf and Kahn in [1].
September 1981 Transmission Control Protocol Introduction Basic Data Transfer: The TCP is able to transfer a continuous stream of octets in each direction between its users by packaging some number of octets into segments for transmission through the internet system.
TCP also provides a means to communicate to the receiver of data that at some point further along in the data stream than the receiver is [Page 12]
rfc.sunsite.dk /rfc/rfc793.html   (15776 words)

 Energy Efficient Compact Fluorescent CFL Light Bulbs from TCP, Inc.
TCP, Inc. a Charter Member of the U.S. Conference of Mayors
You are entering the brain center of lighting innovation throughout the world.
TCP is more than a place to find good products.
www.tcpi.com   (90 words)

 [No title]
tcpserver also provides TCP access control features, similar to tcp-wrappers/tcpd's hosts.allow but much faster.
Its access control rules are compiled into a hashed format with cdb, so it can easily deal with thousands of different hosts.
tcpserver and tcpclient conform to UCSPI, the UNIX Client-Server Program Interface, using the TCP protocol.
cr.yp.to /ucspi-tcp.html   (304 words)

 [No title]   (Site not responding. Last check: )
tcpserver also provides TCP access control features, similar to tcp-wrappers/tcpd's hosts.allow but much faster.
Its access control rules are compiled into a hashed format with cdb, so it can easily deal with thousands of different hosts.
Its listen() backlog is typically only 5 or 10 and cannot be raised.
cr.yp.to.mirror.dogmap.org /ucspi-tcp.html   (304 words)

 TCP Protocol Overview
The Transmission Control Protocol (TCP), documented in RFC 793, makes up for IP's deficiencies by providing reliable, stream-oriented connections that hide most of IP's shortcomings.
Fast senders will be stopped periodically to keep up with slower receivers.
Only during connection start and close sequences can TCP exhibit asymmetric behavior (i.e.
www.freesoft.org /CIE/Topics/83.htm   (791 words)

 [No title]
B ACK your sequence number is Y [Page 27] September 1981 Transmission Control Protocol Functional Specification Because steps 2 and 3 can be combined in a single message this is called the three way (or three message) handshake.
Right arrows (-->) indicate departure of a TCP segment from TCP A to TCP B, or arrival of a segment at B from A. Left arrows (
The principle reason for the three-way handshake is to prevent old duplicate connection initiations from causing confusion.
www.ietf.org /rfc/rfc793.txt   (14544 words)

 [No title]
Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations.
For the purpose of providing services to unknown callers, a service contact port is defined.
REGISTERED PORT NUMBERS The Registered Ports are listed by the IANA and on most systems can be used by ordinary user processes or programs executed by ordinary users.
www.iana.org /assignments/port-numbers   (11299 words)

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