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Method, network device and system for intelligently filtering redundant data streams within computer networks

A computer network, network equipment technology, applied in the field of redundant data flow, can solve the problems of increasing network bandwidth consumption, consumption, large bandwidth, etc.

Active Publication Date: 2010-05-12
JUMIPER NETWORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] While these solutions can reduce the impact of network failures on content and server delivery, conventional solutions can significantly increase bandwidth consumption across the network
For example, one or more streams of data transmitted to each user device consumes considerable bandwidth even in the absence of network disturbances

Method used

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  • Method, network device and system for intelligently filtering redundant data streams within computer networks
  • Method, network device and system for intelligently filtering redundant data streams within computer networks
  • Method, network device and system for intelligently filtering redundant data streams within computer networks

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Embodiment Construction

[0019] figure 1 It is a block diagram showing a typical network system 10 that intelligently filters redundant data streams. For exemplary purposes, although the description is made with reference to a multicast data stream, the principles of the present invention can be applied to other types of data streams.

[0020] In this example, the first hop routers 12A, 12B ("first hop router 12") intelligently filter redundant data streams received from hosts 18A-18C ("host 18"). The first hop router 12 also links the application service provider network 14 to the intermediate network 16, and uses the router 22 to forward the data stream from the host 18 to the user equipment 20A-20N ("user equipment 20") through the intermediate network 16. The host 18 represents multiple sources that can provide redundant data streams, and terms such as “host” and “host” information mentioned herein should be understood as exemplary sources, source information, and the like. In addition, the first ho...

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PUM

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Abstract

An intermediate device, such as a router, can intelligently filter redundant data streams provided by one or more hosts. In the event of a network disturbance, the router may stop filtering one of thenow needed redundant data streams in a manner that may reduce the consumption of network resources, such as bandwidth, without having to modify end-user applications residing on subscriber devices. Therefore, the router may transparently provide data streams to subscriber devices despite the occurrence of a network disturbance that may otherwise prevent the subscriber devices from receiving the data streams.

Description

Technical field [0001] The present invention relates to computer networks, and more specifically, to filtering redundant data streams in computer networks. Background technique [0002] The devices in the network publish content and provide services for subscriber (subscriber, also referred to as subscriber) devices located throughout the entire network. These devices are often referred to as hosts or host devices, which may include: web servers, application servers, digital content providers, file servers, print servers, or other devices. Examples of user equipment may include: personal computers, laptops, workstations, personal digital assistants (PDAs), cellular phones, Internet-enabled home appliances, wireless devices, set-top boxes, etc. In order to transfer content and services between a host and a user device, a network usually includes a routing device often called a router, which routes the content and services from the host device to the user device through the networ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/28H04L12/12H04L45/243
CPCY02B60/33H04L45/245H04L45/00Y02D30/50
Inventor 托马斯·J·普萨泰里
Owner JUMIPER NETWORKS INC