Publication

Quality of Service Renegotiations

Jean-Yves Le Boudec
1998
Reports

Abstract

Giving users simple access to QoS selection capability of ATM networks is important for the future of integrated services networks. We describe the first instance of an application in which users had the capacity to tune ATM traffic parameters with a button, at run time. To achieve this we implemented the necessary signaling extension on ATM switches as well as on end-systems. Furthermore, we extended Arequipa (Application REQested IP over ATM; a mechanism that enables applications to request direct ATM connections for their exclusive use and to directly control their traffic parameters) to support modification, and modified the popular Mbone tool Vic (VIdeo Conferencing) to use Arequipa to request and modify ATM bandwidth at will. We describe how Vic accomplished this over the ATM WAN of SWISSCOM, transferring live video from Lausanne to Basel over switched, renegotiable ATM connections.

Official source

https://infoscience.epfl.ch/entities/publication/32664203-b94b-424f-88ab-69822e52235b

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Jean-Yves Le Boudec
1998
Reports

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/32664203-b94b-424f-88ab-69822e52235b

About this result

Related concepts (31)

Asynchronous Transfer Mode

Asynchronous Transfer Mode (ATM) is a telecommunications standard defined by the American National Standards Institute and ITU-T (formerly CCITT) for digital transmission of multiple types of traffic. ATM was developed to meet the needs of the Broadband Integrated Services Digital Network as defined in the late 1980s, and designed to integrate telecommunication networks. It can handle both traditional high-throughput data traffic and real-time, low-latency content such as telephony (voice) and video.

Traffic contract

If a network service (or application) wishes to use a broadband network (an ATM network in particular) to transport a particular kind of traffic, it must first inform the network about what kind of traffic is to be transported, and the performance requirements of that traffic. The application presents this information to the network in the form of a traffic contract. When a connection is requested by an application, the application indicates to the network: The Type of Service required.

Automated teller machine

An automated teller machine (ATM) is a mechatronics telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, funds transfers, balance inquiries or account information inquiries, at any time especially at night time and without the need for direct interaction with bank staff. ATMs are known by a variety of names, including automatic teller machines (ATM) in the United States (sometimes redundantly as "ATM machine").

Related publications (2)

Quality of Service Renegotiations

Chat with Graph Search

The SCFO Real-Time Optimization Solver: Users' Guide (version 0.9.4)

Using Quality of Service can be simple: Arequipa with Renegotiable ATM