In-network guide performance in wireless multi-hop cache networks

Kento Ikkaku, Yukio Sakaguchi, M. Yamamoto
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引用次数: 2

Abstract

In wireless multi-hop networks, content servers are generally located outside a wireless multi-hop network and a user accesses these servers through a gateway node. So, content traffic has a tendency to be concentrated at a gateway node, which might cause throughput degradation in a whole wireless multi-hop network. Caching network is one promising way to resolve this technical problem. However, caching network has a limitation of cache availability on a default-path. For wired networks, Breadcrumbs has been proposed as in-network guide for cached contents. In this paper, we evaluate Breadcrumbs in wireless multi-hop networks. Our simulation results show that Breadcrumbs improves total throughput performance of wireless multi-hop networks. And also they surprisingly show that not only popular content throughput but also unpopular content throughput is improved.
无线多跳缓存网络的网内导引性能
在无线多跳网络中,内容服务器通常位于无线多跳网络之外,用户通过网关节点访问这些服务器。因此,内容流量倾向于集中在网关节点,这可能会导致整个无线多跳网络的吞吐量下降。缓存网络是解决这一技术问题的一种很有前途的方法。但是,缓存网络对默认路径上的缓存可用性有限制。对于有线网络,面包屑被提议作为缓存内容的网络内指南。本文对无线多跳网络中的面包屑进行了评估。仿真结果表明,面包屑提高了无线多跳网络的总吞吐量性能。令人惊讶的是,不仅流行内容的吞吐量得到了提高,不流行内容的吞吐量也得到了提高。
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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