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Dynamic distributed overlay networking of IP multicast

机译:IP组播的动态分布式覆盖组网

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摘要

Mastering of overlay networking is one of the fundamental challenges in the distributed computing and peer-to-peer arena. The IP (Internet protocol) is used to create a common overlay network on top of many existing networks using other transport protocols to suite their physical requirements. A technique known as tunneling, where the payload of an IP data packet carries another full IP packet including its header information, is an overlay networking method for creating a VPN (virtual private network) on top of the existing Internet or IP based network. A number of protocols are used on the Internet today are HTTP, SSL, TCP, UDP etc. Tunnels can be created using these protocols to passively enable overlay networking in the IP environment. An approach will be presented for generically creating IP multicast overlay networks in a fully distributed environment. This brings several advantages: a) nodes can be dynamically meshed together resulting in load balancing of the network traffic and the creation of a Web on top of the Web, b) multicast can now be communicated from any node to any multiple selection of neighboring nodes, c) in a distributed environment overlay networks can be constructed with no single point of failure, which is an important step towards fully fault tolerant distributed software infrastructure, d) the application developer is equipped with a communications middleware that permits the establishment of a true VPN without the need to configure additional network infrastructure, e) a turn-key solution for empowering the end-user to establish an overlay network without compromising the network administrator or service provider. The approach realized is applicable to broadband, narrowband, mobile and static environments. Finally some user case studies for applying this technology will be presented.
机译:掌握覆盖网络是分布式计算和对等领域中的基本挑战之一。 IP(Internet协议)用于在使用许多其他传输协议来满足其物理要求的许多现有网络之上创建一个公共覆盖网络。一种称为隧道技术,其中IP数据包的有效载荷携带另一个包含其报头信息的完整IP包,是一种用于在现有Internet或基于IP的网络之上创建VPN(虚拟专用网络)的覆盖联网方法。如今,Internet上使用了许多协议,例如HTTP,SSL,TCP,UDP等。可以使用这些协议创建隧道,以被动地在IP环境中启用覆盖网络。将提出一种在完全分布式环境中通用创建IP多播覆盖网络的方法。这带来了几个优点:a)节点可以动态地划分在一起,从而实现网络流量的负载平衡,并在Web之上创建Web,b)现在可以将多播从任何节点传送到相邻节点的任何多个选择中c)在分布式环境中,可以构建没有单点故障的覆盖网络,这是朝着完全容错的分布式软件基础架构迈出的重要一步; d)应用程序开发人员配备了允许建立真实网络的通信中间件。 VPN无需配置其他网络基础结构,e)交钥匙式解决方案,使最终用户能够建立覆盖网络而不会损害网络管理员或服务提供商。实现的方法适用于宽带,窄带,移动和静态环境。最后,将介绍一些应用该技术的用户案例研究。

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