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Towards User-centric Network Optimization Engine

机译:迈向以用户为中心的网络优化引擎

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摘要

The increasing diversity of applications as well as the introduction of new wireless last-mile techniques imposes additional challenges on both terminals and entire networks. A user- and application-centric approach to networking is expected result in better user satisfaction and allow for new market opportunities for network infrastructure providers. However, this architectural view leads to increased network complexity and, therefore, requires new autonomic network management and optimization techniques. In this article we focus on one aspect of this domain: network protocol stack optimization for wireless access networks. We provide a design of an autonomic engine that aims to select and adjust parameters of the communication stack in order to achieve high user satisfaction using minimal reconfiguration time. It relies on two basic constructs: utility-based performance assessment, and metaheuristic algorithms for fast optimization. We demonstrate that such an engine allows for efficient autonomous switching between different wireless access methods and consequently significantly improves the performance of the user device using cross-layer parameter optimization.
机译:应用的多样性不断增加,以及新的无线“最后一英里”技术的引入,给终端和整个网络都带来了额外的挑战。预期以用户和应用程序为中心的联网方法将导致更好的用户满意度,并为网络基础架构提供商带来新的市场机会。但是,这种架构视图导致网络复杂性增加,因此需要新的自主网络管理和优化技术。在本文中,我们着重于这一领域的一个方面:针对无线访问网络的网络协议栈优化。我们提供了一种自动引擎的设计,该引擎旨在选择和调整通信堆栈的参数,以便使用最少的重新配置时间来获得较高的用户满意度。它依赖于两个基本结构:基于效用的性能评估和用于快速优化的元启发式算法。我们证明了这样一种引擎可以在不同的无线访问方法之间进行有效的自主切换,从而使用跨层参数优化显着提高了用户设备的性能。

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