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随着因特网发展的日趋完善,出现了很多所谓的“覆盖网络”(OverlayNetworks),它们的形式多种多样,功能也不尽相同。本文综述了覆盖网络的现状,并对因特网上目前最流行的三种覆盖网络分别进行介绍。
As the Internet has evolved, so-called “Overlay Networks” have emerged that are diverse in form and function. This article reviews the current status of overlay networks and introduces the three most popular overlay networks on the Internet.