packets retransmission
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An End-to-End Video Transmission Framework With Efficient Bandwidth Utilization
White Paper To guarantee a more reliable and better quality of delivery of the video frames, retransmission and selective drop of different frame packets are integrated into the framework. This paper presents a new framework for streaming video over Internet... [11 Jul 2008]
Impact of the Cell Update Mechanism in GPRS
White Paper Although this user data information could be later on recovered by LLC signaling in case of reliable data services, it is still important to take into account the increase in retransmission signaling needed to cope with such packet losses. [03 Jul 2008]
On Retransmission Schemes for Real-time Streaming in the Internet
White Paper This paper presents a trace-driven simulation study of three classes of retransmission timeout (RTO) estimators in the context of low-bitrate real-time streaming over the Internet. We explore the viability of employing retransmission timeouts in [03 Jul 2008]
Dynamic Issues in MPLS Service Restoration
White Paper In conventional MPLS networks, the detection and retransmission of out-of-order or lost packets is left to the higher layers, which in effect, degrades the overall performance. Packet loss and reordering are the most significant negative effects... [25 Jun 2008]
Optimal Tuning of the TCP Retransmission TimeOut for Small-BDP Lossy Wireless Networks
White Paper Based on the system load and the average queue size of the packets waiting for transmission, it shows how an optimal value of the Retransmission TimeOut (RTO) can be chosen. The study discussed in this paper tells about TCP performance over small... [14 Jan 2008]
Client-Controlled Slow TCP and Denial of Service
White Paper The study shows that the duration of a TCP connection could be extended tens of times without incurring timeout retransmission. This paper investigates how a TCP client can extend the duration of its connection with a server only by setting the... [14 Jan 2008]
Proxy-Based TCP-Friendly Streaming Over Mobile Networks
White Paper To allow a reasonable fair comparison between TCP and TFRC, the paper assumes a simple retransmission mechanism on top of TFRC. The paper considers two approaches for achieving TCP-friendliness: first, by tunneling RTP packets over TCP and secondly... [14 Jan 2008]
Improving TCP Performance in Multipath Packet Forwarding Networks
White Paper At the sender, the fast retransmission threshold is adjusted taking the number of paths into consideration. In multipath routing, packets to the same destination are sent to multiple next-hops in either packet-level or flow-level forwarding mode. [14 Jan 2008]
Data Link Layer Control Methods for Performance Improvement of TCP Over an Ad Hoc Network
White Paper Although retransmission by the data link layer is generally required for errors on a wireless channel in ad hoc networks, duplicate packets due to the disappearance of a receipt check can be generated at the same time and increase network vain load. [20 Dec 2007]
Arguments in Favour of Admission Control for TCP Flows
It demonstrates that, in the absence of such a control, the ineffective traffic due to the retransmission of lost packets constitutes a significant overhead and can even lead to congestion collapse in certain configurations. [06 Dec 2007]
A Smart TCP Acknowledgment Approach for Multihop Wireless Networks
A crucial challenge faced by TCP over these networks is how to operate smoothly with the 802.11 wireless MAC protocol which also implements a retransmission mechanism at link level in addition to short RTS/CTS control frames for avoiding collisions. [06 Dec 2007]
Link Layer Assisted Mobile IP Fast Handoff Method Over Wireless LAN Networks
However, user packets are not forwarded to the new foreign agent until registration is completed and this interruption may degrade the quality of service especially in real-time applications such as audio and video or may lower the TCP throughput... [06 Dec 2007]
Making Retransmission Delays in Wireless Links Friendlier to TCP
A link layer solution based on adding carefully selected delays to certain packets is proposed to counteract this problem. Heterogeneous communication networks with their variety of application demands, uncertain time-varying traffic load, and... [06 Dec 2007]
Arguments in Favour of Admission Control for TCP Flows
White Paper It demonstrates that, in the absence of such a control, the ineffective traffic due to the retransmission of lost packets constitutes a significant overhead and can even lead to congestion collapse in certain configurations. [05 Dec 2007]
A Smart TCP Acknowledgment Approach for Multihop Wireless Networks
White Paper A crucial challenge faced by TCP over these networks is how to operate smoothly with the 802.11 wireless MAC protocol which also implements a retransmission mechanism at link level in addition to short RTS/CTS control frames for avoiding collisions. [05 Dec 2007]
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