Publication

Virtual Trunk Simulation

Silvia Giordano Cremonese
1997
Conference Papers

Abstract

One of the activities of the ACTS project EXPERT is to perform trials demonstrating the use of advancedResource Management and Routing (RMR) algorithms in ATM networks. The RMR model chosen for those trials is based on the Virtual Trunk (VT) concept. In ATM networks, a VT is a virtual path connectionsetup by the network for reducing connection awareness at the transit nodes. A virtual trunk is considered as a connection by the network supporting it (the VP network), and as a logical trunk by the connections supported.In this context, VTs are considered to be VBR connections. In order to adapt the VT level to the changes in traffic, we use dynamic virtual trunks. In this paper, we compare the VBR-over-VBR approach to a moretraditional VBR-over-CBR approach. The comparison is based on the simulations performed in the EXPERT project by WP3.2. In addition, a dynamic VP bandwidth allocation method is demonstrated by simulations.

Official source

https://infoscience.epfl.ch/entities/publication/e09062f6-c155-4875-ae51-ee392b7f2c4a

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Silvia Giordano Cremonese
1997
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/e09062f6-c155-4875-ae51-ee392b7f2c4a

About this result

Related concepts (23)

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.

Link aggregation

In computer networking, link aggregation is the combining (aggregating) of multiple network connections in parallel by any of several methods. Link aggregation increases total throughput beyond what a single connection could sustain, and provides redundancy where all but one of the physical links may fail without losing connectivity. A link aggregation group (LAG) is the combined collection of physical ports. Other umbrella terms used to describe the concept include trunking, bundling, bonding, channeling or teaming.

VLAN

A virtual local area network (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). In this context, virtual, refers to a physical object recreated and altered by additional logic, within the local area network. VLANs work by applying tags to network frames and handling these tags in networking systems – creating the appearance and functionality of network traffic that is physically on a single network but acts as if it is split between separate networks.

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Virtual Trunk Simulation

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