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- Vanguard: A New Detection Scheme for a Class of TCP-Targeted Denial-of-Service Attacks
- A few low-rates, TCP-targeted Denial-of-Service DoS attacks have been recently proposed, including the Shrew attack, Reduction of Quality RoQ attack, and Pulsing DoS PDoS attack. All of them use periodic attack pulses to throttle TCP flows. These attacks could potentially become major threats to the Internet's stability and therefore they...
- Tags: Attack, Security
- White papers 2006-08-16
- Understanding TCP Over TCP: Effects of TCP Tunneling on End-to-End Throughput and Latency
- TCP tunnel is a technology that aggregates and transfers packets sent between end hosts as a single TCP connection. By using a TCP tunnel, the fairness among aggregated flows can be improved and several protocols can be transparently transmitted through a firewall. Currently, many applications such as SSH, VTun, and...
- Tags: Latency, TCP, Tcp/Ip, Networking
- White papers 2007-11-16
- Prevention of IP Spoofing in TCP/IP Connection: Vulnerability Ability and Probable Solutions - A Reverse Engineering Approach
- In network environment the computer facilities are interconnected by using the Transmission Control Protocol - Internet Protocol suite. The TCP specification consists of several vulnerabilities and an equal number of weaknesses in its implementation. These drawbacks may allow an intruder to break into the network, and enable him to take...
- Tags: IP, TCP, Reverse Engineering, TCP Specification, Tcp/Ip, Networking
- White papers 2003-11-25
- An Analysis of TCP Through Simulation
- This paper is an analysis of TCP and its variations through the use of simulations. The NS-2 network simulator was used to help understand the behaviors and characteristics of TCP variants. Two different experiments were set forth. The first varied different load conditions; the second varied queuing algorithms. The TCP...
- Tags: TCP, Analysis, Tcp/Ip, Networking
- White papers 2006-10-28
- Experimental Evaluation of TCP Protocols for High-Speed Networks
- In this paper we present experimental results evaluating the performance of the Scalable-TCP, HS-TCP, BIC-TCP, FAST-TCP and H-TCP proposals in a series of benchmark tests. In summary, we find that both Scalable-TCP and FAST-TCP consistently exhibit substantial unfairness, even when competing flows share identical network path characteristics. Scalable-TCP, HS-TCP, FAST-TCP...
- Tags: Ireland, Network, Flow, TCP, Convergence, Tcp/Ip, VOIP, Networking, Telecommunications
- White papers 2006-08-31
- A Uni?ed Framework for Modeling TCP-Vegas, TCP-SACK, and TCP-Reno
- This paper presents a general analytical framework for the modeling and analysis of TCP variations. The framework allows the modeling of multiple variations of TCP, including TCP-Vegas, TCP-SACK, and TCP-Reno, under general network situations. In particular, the framework allows us to propose the first analytical model of TCP-Vegas for arbitrary...
- Tags: TCP, Framework, Modeling, Tcp/Ip, Research & Development, Networking, Business Operations
- White papers 2007-10-22
- Augmented Split-TCP Over Wireless LANs
- This paper introduces a new split-TCP approach for improving TCP performance over IEEE 802.11-based wireless LANs. TCP over wireless LANs is not aggressive, which is a fundamental reason for poor performance. This paper proposes augmented split-TCP (AS-TCP) to mitigate this problem. The scheme extends the split-connection approach that divides a...
- Tags: WLAN, TCP, Tcp/Ip, LANs, Networking, Wireless LANs, Wireless
- White papers 2006-02-20
- The Effect of Reverse Traffic on the Performance of New TCP Congestion Control Algorithms
- Several new TCP congestion control algorithms have been proposed to speed up the TCP over very fast networks. All these algorithms propose their own modifications of the increasing/decreasing phases of classic Reno/NewReno TCP. On the other hand, all of them preserve the self-clocking mechanism, which is a fundamental part of...
- Tags: Algorithm, Performance, Congestion, TCP, Tcp/Ip, Networking
- White papers 2007-01-01
- Is Tampered-TCP Really Effective for Getting Higher Throughput in the Internet?
- This paper examines the effectiveness of tampered-TCP whose congestion control mechanism has been modified by malicious users for higher than the normal TCP throughput. This paper focuses on a tampered-TCP in which the increase and decrease ratio of the congestion window size were changed during the congestion avoidance phase. The...
- Tags: Throughput, Internet, Congestion, TCP, Tcp/Ip, Networking
- White papers 2006-10-19
- Use of Competition Detection in TCP for Fair and Effective Utilization of Network Bandwidth
- The fairness (or TCP-friendliness) of recent high-speed TCP proposals for high bandwidth-delay product networks is generally poor. The authors believe that the lack of TCP-friendliness of high-speed TCP proposals stems from their ineffectiveness in detecting competing TCP flows. The paper suggests a competition detection mechanism for a single TCP flow...
- Tags: Bandwidth, Network, TCP, A-TCP, Tcp/Ip, Networking
- White papers 2006-08-30
- Adaptive Aggregated Aggressiveness Control on Parallel TCP Flows Using Competition Detection
- This paper presents a competition detection mechanism for parallel TCP flows and uses this to propose a new parallel TCP congestion control scheme called Adaptive TCP-P (A-TCP-P). A-TCP-P automatically controls the aggregated aggressiveness of parallel TCP flows to fairly share network bandwidth with single TCP flows independently from the number...
- Tags: TCP, A-TCP-P, Tcp/Ip, Networking
- White papers 2006-07-28
- Simulation-Based Comparisons of Tahoe, Reno, and SACK TCP
- This paper uses simulations to explore the benefits of adding Selective ACKnowledgments SACK and selective repeat to TCP. The paper compares Tahoe and Reno TCP, the two most common reference implementations for TCP, with two modified versions of Reno TCP. The first version is New-Reno TCP, a modified version of...
- Tags: TCP, Tcp/Ip, Networking
- White papers 2005-09-26
- SAMInside (zip)
- Fastest recovery of Windows NT/2000/XP/2003 users' passwords. Brute-force attack; mask attack; dictionary attack; pre-calculated tables attack; import from LC, LCP, LCS, HDT, LMNT.LST, PWDUMP files; and import local hashes.
- Tags: Attack, Security
- Software downloads 2006-01-12
- My TCP Viewer (exe)
- My TCP Viewer helps you to check TCP connections on your computer. It shows both local and remote computer's IP address and Port. It also has a TCP statistic function. It's very small only 40KB and no installation required. You can copy it to anywhere you want.
- Tags: TCP, Tcp/Ip, Networking
- Software downloads 2006-04-20
- TCP-PR: TCP for Persistent Packet Reordering
- Most standard implementations of TCP perform poorly when packets are reordered. This paper proposes a new version of TCP that maintains high throughput when reordering occurs and yet, when packet reordering does not occur, is friendly to other versions of TCP. The proposed TCP variant, or TCP-PR, does not rely...
- Tags: Packet, Acknowledgement, TCP, Tcp/Ip, Networking
- White papers 2006-03-27
- TCP Westwood: Bandwidth Estimation for Enhanced Transport Over Wireless Links
- TCP Westwood TCPW is a sender-side modification of the TCP congestion window algorithm that improves upon the performance of TCP Reno in wired as well as wireless networks. The improvement is most significant in wireless networks with lossy links, since TCP Westwood relies on end-to-end bandwidth estimation to discriminate the...
- Tags: Improvement, TCP, Wireless, Tcp/Ip, Networking
- White papers 2007-01-01
- M-TCP+: Using Disconnection Feedback to Improve Performance of TCP in Wired/Wireless Networks
- This paper proposes the M-TCP+ algorithm for heterogeneous wired/wireless networks. The algorithm is a modification of M-TCP that was proposed for deployment in mobile cellular networks. It is recommended that Internet hosts enable the delayed acknowledgement delayed ACK option to maximize network bandwidth by reducing the number of ACKs sent...
- Tags: Algorithm, Performance, Network, TCP, M-TCP+ Algorithm, Tcp/Ip, Engineering, Networking
- White papers 2007-06-28
- TCP-Com (EXE)
- TCP-Com is a software based RS232 to TCP/IP converter. TCP-Com allows any of the RS232 serial ports on your PC to interface directly to a TCP/IP network. For example, you can use TCP-Com to turn a PC into a 'Serial Device Server' so that you can connect any RS232 serial...
- Tags: Network, TCP-Com, Tcp/Ip, Network Technology, Networking
- Software downloads 2004-08-18
- Implementation Experiments of the TCP Proxy Mechanism
- Interest in the TCP overlay network, which controls the data transmission quality at the transport layer, has grown as the user demand for sophisticated and diversified services in the Internet has increased. In the TCP overlay network, TCP proxy is a fundamental mechanism that transparently splits a TCP connection between...
- Tags: TCP, Tcp/Ip, Networking
- White papers 2005-08-31
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