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Modeling Traffic Management in ATM Networks With OPNET
White Paper Available Bit Rate (ABR) service in ATM has been designed to fairly distribute all unused capacity to data traffic and is specified in the ATM Forum's Traffic Management (TM4.0) standard. This paper will describe the OPNET models that have been... [18 Jul 2008]
Bandwidth Measurement in xDSL Networks
White Paper A stepwise algorithm is designed to minimize the effect of ATM traffic shaping for ABR and UBR service classes in xDSL deployments on the bandwidth measurements. This paper presents a design and implementation of a scheme for accurate measurement... [11 Jul 2008]
On Fair Window Control With Explicit Feedback in TCP Over ATM ABR Service
White Paper This paper proposes the window-based congestion control mechanism using explicit feedback in TCP over ATM ABR service. The proposed scheme is based on notifying the network status as the free buffer length at the congested link to the IP station... [14 Jan 2008]
Evaluation of the Available Bit Rate Service Category in ATM Networks
White Paper This paper evaluates various aspects of the ABR flow control schemes using three different evaluation techniques: analysis, simulation and experiments. A discrete-time Markov model allows the evaluation of the influence of different system... [26 Dec 2007]
Performance of TCP Over ABR With Long-Range Dependent VBR Background Traffic Over Terrestrial and Satellite ATM Networks
White Paper This paper studies the effect of such VBR traffic on ABR carrying TCP traffic. The effect of such VBR traffic is that the ABR capacity is highly variant. It was found that a switch algorithm like ERICA+ can tolerate this variance in ABR capacity... [19 Dec 2007]
Parameter Tuning of Rate-Based Congestion Control Algorithms and Its Application to TCP Over ABR
White Paper The results are then applied to TCP over ABR service class. More specifically, it evaluates the TCP-level performance through a simulation technique when TCP is applied to ABR service class with the rate-based congestion control. [05 Dec 2007]
A Fragmentation-Tolerant TCP Protocol for ATM Networks
White Paper ATM offers Available Bit Rate (ABR) and Unspecified Bit Rate (UBR) services for best effort traffic, such as conventional file transfer. However, recent studies have shown that TCP/IP, when implemented using ABR or UBR, leads to serious performance... [07 Nov 2007]
Exploiting Redundancy for Timeliness in TCP Boston
White Paper These limitations coupled with the flexibility and popularity of TCP/IP as a best-effort transport protocol have prompted the network research community to propose and implement a number of techniques that adapt TCP/IP to the Available Bit Rate... [06 Nov 2007]
Cisco - Understanding the Available Bit Rate (ABR) Service Category for ATM VCs
White Paper In this paper, the ATM Forum publishes multi-vendor recommendations to further the use of ATM technology. The Traffic Management Specification Version 4.0 defines five ATM service categories that describe both the traffic transmitted by users onto... [06 Oct 2004]
The ERICA Switch Algorithm for ABR Traffic Management in ATM Networks
White Paper It is also fair and robust to measurement errors caused by the variations in ABR demand and capacity. This paper describes the "Explicit Rate Indication for Congestion Avoidance (ERICA)" scheme for rate-based feedback from ATM switches. [24 Feb 2004]
Explicit Rate Control of TCP Applications
White Paper The key idea is to use an ATM ABR algorithm like ERICA+ to calculate rate feedback and use new techniques to control TCP sources using the feedback calculated. These techniques can be applied in ATM edge devices or in Internet routers. [24 Feb 2004]
FLOWmaster Flow Control
White Paper For data applications, the ATM Forum has defined a class of service named Available Bit Rate (ABR). ABR service is envisioned to provide LAN-like performance, which has the following properties: All of the unused link bandwidth is available to all... [24 Feb 2004]
ABR Flow Control for Multipoint Connections
White Paper We examine point-to-multipoint and multipoint-to-point flow control for the available bit rate (ABR) service, as discussed in the traffic management working group. Multipoint capabilities are essential for ATM networks to efficiently support many... [24 Feb 2004]
