tcp - ip flows red
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Queue Dynamics of RED Gateways Under Large Number of TCP Flows
White Paper As the number of competing flows becomes large, the queue behavior of RED can be described by a two-dimensional recursion. This paper considers a stochastic model of a RED gateway under competing TCP-like sources sharing the capacity. [14 Jan 2008]
Queueing Network Model of Short-Lived TCP Flows With Mixed Wired and Wireless Access Links
White Paper This paper presents an analytical model, based on a Fixed Point Approximation (FPA) solution, that can be used to derive the performance of different sets of TCP connections that share, and compete for, a common resource, typically a link and its... [14 Jan 2008]
Size-Based Scheduling to Improve the Performance of Short TCP Flows
White Paper Meeting both performance requirements in a network where routers use droptail or RED for buffer management and FIFO as service policy is an elusive goal. The Internet today carries different types of traffic that have different service requirements. [14 Jan 2008]
Limit Behavior of ECN/RED Gateways Under a Large Number of TCP Flows
White Paper As the number of competing flows becomes large, the queue behavior at the gateway can be described by a two-dimensional recursion and the throughput behavior of individual TCP flows becomes asymptotically independent. [14 Jan 2008]
Robust TCP Congestion Recovery
White Paper The performance of the proposed scheme is evaluated for scenarios with many TCP flows under the drop-tail and RED gateways in the presence of bursty packet losses. This paper presents a new robust TCP congestion-recovery scheme to handle bursty... [14 Jan 2008]
An Implementation of a Service Class Providing Assured TCP Rates Within the AQUILA Framework
White Paper This paper investigates an attempt to establish a QoS class that supports long-lived, bulk-data TCP flows that require a minimum rate from the network. The approach is based on a model for TCP flows subject to token bucket marking at the network... [14 Jan 2008]
Performance Analysis and Improvement of HighSpeed TCP With TailDrop/RED Routers
White Paper Furthermore, it is observed that the performance of gHSTCP is limited by both TailDrop and RED/ARED routers, thus it develops a modified adaptive RED called gARED to address the problem of simultaneous packet drops among multiple flows. [14 Jan 2008]
Fixed Point Approximations for TCP Behavior in Networks of Routers Implementing Heterogeneous Queue Management Policies
White Paper This paper uses fixed point methods to model the behavior of a population of TCP flows traversing a network of routers implementing either Drop Tail or the RED queue management policies. Once the average queue lengths are obtained, other metrics... [08 Jan 2008]
Characteristic Oscillation and Intermittency in TCP-RED Gateway
White Paper It has been found that a bottleneck RED gateway can become oscillatory when regulating a number of TCP flows. This paper develops a dynamic model to qualitatively describe the characteristic frequency and intermittency of the oscillation in the RED... [08 Jan 2008]
Intelligent Packet Discard Policies for Improved TCP Queue Management
White Paper The Queue State Deficit Round Robin algorithm (QSDRR) preferentially discards from long queues, but introduces hysteresis into the discard policy to minimize synchronization among TCP flows. QSDRR provides higher throughput and much better fairness... [19 Dec 2007]
RED With Dynamic Thresholds for Improved Fairness
White Paper This paper investigates the fair bandwidth sharing among responsive and unresponsive traffic flows. When these flows compete for the same output link in a router, unresponsive flows tend to occupy more than their fair share of the link capacity. [05 Dec 2007]
TCP Unfairness in Ad Hoc Wireless Networks and a Neighborhood RED Solution
White Paper Flows sharing the queue have different, dynamically changing priorities determined by the topology and traffic patterns. Significant TCP unfairness in ad hoc wireless networks has been reported during the past several years. [04 Dec 2007]
Fluid-Based Analysis of a Network of AQM Routers Supporting TCP Flows With an Application to RED
White Paper In this paper a jump process drove Stochastic Differential Equations is used to model the interactions of a set of TCP fl flows and Active Queue Management routers in a network setting. The solution methodology scales well to a large number of flows. [06 Nov 2007]
On Designing Improved Controllers for AQM Routers Supporting TCP Flows
White Paper This paper studies a previously developed linearized model of TCP and AQM. The controllers are shown to have better theoretical properties than the well known RED controller. It also presents simple implementation techniques which require a minimal... [06 Nov 2007]
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