Quality of service in an information-centric network

M. Al-Naday, Andreas Bontozoglou, V. Vassilakis, M. Reed
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引用次数: 13

Abstract

QoS provisioning is one of the key challenges facing current as well as future Internet architectures. Its dependency on content recognition does not allow a straightforward support of QoS in the IP, host-centric, model. In contrast, Information-Centric Networking (ICN) offers native content identification in the network, which can be exploited to develop a common, elegant, framework for supporting QoS-based delivery. Therefore, ICN may naturally overcome many of the cumbersome fixes and limitations of today's solutions. In this work, we exploit the flexibility in semantic representation offered by ICN to present a flexible and scalable ICN-based QoS model. Our model defines QoS requirements as information items that can be linked to the content at various aggregation levels, independent of the communication approach. Therefore, it can be applied uniformly to various network types and hierarchies. Furthermore, our model offers enhanced traffic treatment as well as resource utilization while significantly reducing the overhead on the network.
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以信息为中心的网络中的服务质量
QoS提供是当前和未来Internet架构面临的关键挑战之一。它对内容识别的依赖使得在以主机为中心的IP模型中不能直接支持QoS。相反,以信息为中心的网络(Information-Centric Networking, ICN)在网络中提供原生内容标识,可以利用它来开发一个通用的、优雅的框架,以支持基于qos的交付。因此,ICN可能会自然而然地克服当今解决方案中许多繁琐的修复和限制。在这项工作中,我们利用ICN提供的语义表示的灵活性来提出一个灵活和可扩展的基于ICN的QoS模型。我们的模型将QoS需求定义为可以在不同聚合级别链接到内容的信息项,而不依赖于通信方法。因此,它可以统一应用于各种网络类型和层次。此外,我们的模型提供了增强的流量处理和资源利用率,同时显著降低了网络开销。
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