M. Allman, V. Paxon, W. Stevens, "RFC2581: TCP Congestion Control", April 1999. Home/Search Document Not in Database Summary Related Articles Check |
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TCP over Mobile Ad-Hoc Access Networks - Moustafa (Correct)
....connections come and go, the available bandwidth changes over time, meaning that any given sender must be able to adjust the number of packets it has in transit. 2. 2 Definitions In this section we provide the definition of several terms that will be used throughout the remainder of this chapter [1]. SEGMENT: A segment is any TCP IP data or acknowledgment packet. SENDER MAXIMUM SEGMENT SIZE (SMSS) The SMSS is the size of the largest segment that the sender can transmit. This value can be based on the maximum transmission unit of the network, the path MTU discovery algorithm, RMSS, or ....
....the congestion window (cwnd) is incremented per round trip time (RTT) using the following formula: cwnd = MSS MSS) cwnd The congestion avoidance algorithm continues until congestion is detected. When a TCP sender detects segment loss using the retransmission timer, it does the following [ 1 ]: Sets the value of ssthresh to no more than the value given in the following equation: ssthresh = MAX (FlightSize 2, 2 SMSS) Sets the value of cwnd to no more than the loss window, LW. Uses the slow start algorithm to increase the window from 1 full sized segment to the new value of ....
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M. Allman, V. Paxson and W. Stevens, "RFC 2581 TCP Congestion Control", http://www.ietf. org/rfc/rfc2581.txt?number=2581, April 1999
The Effect of the Initial Window Size and Limited Transmit.. - Ayesta, Avrachenkov (2002) (Correct)
....3, corresponds to the situation when a loss occurs and the amount of data remaining is less than . In this case the transfer time will be equal to the sum of the time required to required to send the last packet (around one ) After a timeout, the value of are changed according to [2]. In particular, the value of , regardless the value of the sending rate just before the timeout must be set to no more than 1 packet and the new value for the slow start threshold is ### # # ####### ####### Next, let us define # # ### # as the density function of the amount of ....
M. Allman, V. Paxon, W. Stevens, "RFC2581: TCP Congestion Control", April 1999.
Measuring IP and TCP behavior with Tstat - Mellia, Cigno, Neri (Correct)
....by now resilient to any attempt, mainly due to intrinsic difficulties in finding a commonly accepted definition of session and a way to measure it. In the remaining of the paper we assume that the reader is familiar with the Internet terminology, which can be found for example in [21] 22] [23]. First, in Sects. II, III and IV, we discuss several performance indices, most of them innovative, applied to measurements done on the access router of our Institution. In Sects. V, some details about Tstat are given, concentrating on those that we deem most interesting. Finally, Sect. VI ends ....
M. Allman, V. Paxson, and W. Stevens, "RFC 2581: TCP Congestion Control," 1999.
Measuring IP and TCP behavior on Edge Nodes - Mellia, Carpani, Cigno (2002) (Correct)
....results of traffic analysis performed with the above tool, discussing their implication on the network, at both the IP level in Sect. IV, and the TCP level in Sect. V. In the remaining of the paper we assume that the reader is familiar with the Internet terminology, that can be found in [7] 8] [9] for example. II. THE TOOL: TSTAT Started as an evolution of TCPtrace [10] Tstat is able to analyze traces in real time (Tstat processes a 6 hour long trace from a 16 Mbit s link in about 15 minute) using common PC hardware, or start from previously recorded traces in various dump formats, ....
M. Allman, V. Paxson, and W. Stevens, "RFC 2581: TCP Congestion Control," 1999.
TCP-SMO: Extending TCP to Support Medium-Scale Multicast.. - Liang, Cheriton (2002) (1 citation) (Correct)
....and Flow Control Each individual child TCB maintains its own congestion window size ( # # # # ) using the standard TCP congestion con If the RTT to a receiver is excessively longer than other receivers, this receiver may be dropped from the channel and its RTT ignored. trol algorithms [13], such as slow start, exponential back off and congestion avoidance. The master TCB derives the master # # # # from the # # # # values of the child TCBs according to application configurable options. Such an option specifies a function # as illustrated in Fig 3. By default, the master takes ....
M. Allman, V. Paxson, W. Richard Stevens, "RFC 2581: TCP congestion control," April 1999.
Measuring IP and TCP behavior on a Edge Node - Mellia, Carpani, Cigno (2002) (Correct)
....performed with the above tool, discussing their implication on the network and its possible evolution, at the IP level in Sec. IV, and at the TCP level in Sec. V. In the remaining of the paper we assume that the reader is familiar with the Internet terminology, that can be found in [20] 21] [22] for example. II. THE TOOL: TSTAT The lack of automatic tools able to produce statistical data from collected network traces was a major motivation to develop a new tool, called Tstat[1] which, starting from standard software libraries, is able to offer network managers and researchers ....
M. Allman, V. Paxson, and W. Stevens, "RFC 2581: TCP Congestion Control," 1999.
Balanced Packet Discard For Improving TCP Performance in ATM.. - Cohen, Hamo (2000) (4 citations) (Correct)
....results for BPD. Section 6 gives a brief overview of the new TCP SACK extension and discusses the effects of combining BPD with TCPSACK, along with simulation results. Finally, Section 7 concludes the paper. II. THE TIMEOUTS PROBLEM A. TCP background Current TCP implementations [6] 7] [8] contain a number of algorithms aimed at controlling network congestion, and recovering from segment losses. These algorithms include slowstart, congestion avoidance, fast retransmit and fast recovery. Together they define the congestion window, cwnd, as an estimation of the maximum number of ....
V. Paxson M. Allman and W. Stevens, "RFC 2581:TCP congestion control, " Apr. 1999.
Analytic Performance Evaluation of the RED Algorithm for.. - Köhler, Menth, Vicari (2000) (1 citation) (Correct)
....TCP source like in a FTP session where all segments are of the maximum possible size resulting into constant length packets (about 1500 bytes in an Ethernet) Therefore, the term packet is used as an equivalent to the term segment . We refer to TCP Reno with mechanisms from RFC 2001 and 2581 [1, 11] and model it similarly to [12] We concentrate now on the flow control mechanism of TCP that determines the sender rate. There is a congestion window and a slow start threshold which are described by the variables CWND and SSTHRESH. CWND determines the maximum number of packets that are allowed ....
M. Allman, V. Paxson, and W. Stevens, "RFC2581: TCP congestion control." http://www.ietf.org/rfc/rfc2581.txt, Apr. 1999.
The Effect of the Initial Window Size and Limited Transmit.. - Ayesta, Avrachenkov (2002) (Correct)
No context found.
M. Allman, V. Paxon, W. Stevens, "RFC2581: TCP Congestion Control", April 1999.
Improving TCP Performance over Mobile Wireless Environments - Using Cross Layer (Correct)
No context found.
M. Allman and V. Paxson and W. Stevens, "RFC2581: TCP Congestion Control," April 1999.
Improving TCP Performance over Mobile Wireless.. - Raisinghani, Singh, Iyer (2002) (2 citations) (Correct)
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M. Allman and V. Paxson and W. Stevens, "RFC2581: TCP Congestion Control," April 1999.
The Effect of the Initial Window Size and Limited Transmit.. - Ayesta, Avrachenkov (2002) (Correct)
No context found.
M. Allman, V. Paxon, W. Stevens, "RFC2581: TCP Congestion Control", April 1999.
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