Comparison of New Solutions in IP Fast Reroute

IF 0.9 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Elektronika Ir Elektrotechnika Pub Date : 2023-04-24 DOI:10.5755/j02.eie.33863

J. Papán, I. Bridova, P. Brida, Michal Hraska, Slavomir Tatarka, Oleksandra Yeremenko

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引用次数: 0

Abstract

Currently, network requirements are placed on the efficiency and size of the networks. These conditions can be ensured by modern converged networks that integrate the functions of both data and telecommunication networks. Line or router failures have always been a part of transmission networks, which is no different from converged networks. As a result of outages, which can take from ms to tens of seconds, packets are lost. These outages cause degraded transmission quality, which is undesirable when transmitting real-time multimedia services (Voice over IP, video). To solve the mentioned problems, the IETF organization has developed IP Fast Reroute mechanisms to minimise the time to restore the connection after a line or node failure and, consequently, less packet loss. The article reviews and compares the latest IP Fast Reroute mechanisms deployed in the last three years. First, we have Optimistic Fast Rerouting, which calculates optimistic and fallback scenarios. The second is Post-processing Fast Reroute, which decomposes the network according to metrics such as load and route length. Third, Local Fast Reroute focused on low congestion and random access.

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IP快速路由新方案的比较

目前，对网络的要求主要集中在网络的效率和网络的规模上。这些条件可以通过集成数据和电信网络功能的现代融合网络来保证。线路或路由器故障一直是传输网络的一部分，这与融合网络没有什么不同。由于中断(可能持续几毫秒到几十秒)，数据包会丢失。这些中断会导致传输质量下降，这在传输实时多媒体业务(IP语音、视频)时是不希望出现的。为了解决上述问题，IETF组织开发了IP快速重路由机制，以最大限度地减少线路或节点故障后恢复连接的时间，从而减少数据包丢失。本文回顾并比较了过去三年中部署的最新IP快速路由机制。首先，我们有乐观快速路由，它计算乐观和回退场景。第二种是后处理快速路由，它根据负载和路由长度等指标对网络进行分解。第三，本地快速路由侧重于低拥塞和随机访问。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Elektronika Ir Elektrotechnika 工程技术-工程：电子与电气

CiteScore

2.40

自引率

7.70%

发文量

审稿时长

24 months

期刊介绍： The journal aims to attract original research papers on featuring practical developments in the field of electronics and electrical engineering. The journal seeks to publish research progress in the field of electronics and electrical engineering with an emphasis on the applied rather than the theoretical in as much detail as possible. The journal publishes regular papers dealing with the following areas, but not limited to: Electronics; Electronic Measurements; Signal Technology; Microelectronics; High Frequency Technology, Microwaves. Electrical Engineering; Renewable Energy; Automation, Robotics; Telecommunications Engineering.