A delay-tolerant network architecture for challenged internets
A delay-tolerant network architecture for challenged internets
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DOI：
10.1145/863955.863960
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发表时间：
2003-08
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通讯作者：
Kevin R. Fall
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作者：
Kevin R. Fall
当今互联网的高度成功的架构和协议可能在以非常长的延迟路径和频繁的网络分区为特征的环境中运行不佳。这些问题因具有有限功率或存储器资源的端节点而加剧。通常部署在缺乏连续连接的移动的和极端环境中，许多这样的网络具有它们自己的专用协议，并且不利用IP。为了实现它们之间的互操作性，我们提出了一个网络架构和应用程序接口结构周围可选的可靠的异步消息转发，有限的期望端到端的连接和节点资源。该架构作为其互连的网络的传输层之上的覆盖层运行，并提供关键服务，例如网络内数据存储和重传、可互操作的命名、认证转发和粗粒度服务类。
The highly successful architecture and protocols of today's Internet may operate poorly in environments characterized by very long delay paths and frequent network partitions. These problems are exacerbated by end nodes with limited power or memory resources. Often deployed in mobile and extreme environments lacking continuous connectivity, many such networks have their own specialized protocols, and do not utilize IP. To achieve interoperability between them, we propose a network architecture and application interface structured around optionally-reliable asynchronous message forwarding, with limited expectations of end-to-end connectivity and node resources. The architecture operates as an overlay above the transport layers of the networks it interconnects, and provides key services such as in-network data storage and retransmission, interoperable naming, authenticated forwarding and a coarse-grained class of service.