Virtual multicast routing for a cluster having state synchronization

一种集群、组播的技术,应用在计算管理领域

Inactive Publication Date: 2006-07-05
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The purpose of the use of network clustering architectures is to address several recognized issues including support for load balancing, and multicast router failover using multicast routing protocols

Method used

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  • Virtual multicast routing for a cluster having state synchronization
  • Virtual multicast routing for a cluster having state synchronization
  • Virtual multicast routing for a cluster having state synchronization

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Embodiment Construction

[0019] The invention will now be described more fully hereinafter with reference to the accompanying drawings, which form a part hereof, and which show by way of illustration specific exemplary embodiments in which the invention may be practiced. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein so that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the invention to those skilled in the art. scope. In particular, the invention may be embodied as a method or an apparatus. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment or a combination of software and hardware aspects. Therefore, the following detailed description should not be interpreted in a limiting sense.

[0020] Network clustering is a method used to provide high availability and enhanced performance...

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Abstract

A system, apparatus, and method are directed to managing multicast routing using a network cluster. A cluster master actively participates in multicast control protocol communications with the cluster neighbors, while non-master member nodes, do not participate in the protocols' operation outside of the cluster. However, each cluster member maintains virtually the same protocol state, such that should the master become unavailable, another cluster member may assume the master role with minimum delay. New members to the cluster are synchronized by receiving initial protocol state information from the master. After the initial protocol state synchronization, cluster members actively monitor the network to acquire new protocol state information. In addition, cluster members exchange protocol state information between themselves that may not be obtainable off the network. Filtering of multicast data packets is performed by each cluster member, to load balance multicast data traffic across the cluster members.

Description

[0001] This application claims priority to US Patent Application 11 / 027,018, filed December 30, 2004, which is incorporated by reference in its entirety. technical field [0002] The present invention relates generally to computing management, and more particularly to methods and systems for managing multicast routing within a cluster with state synchronization. Background technique [0003] Multicast is a means for efficient delivery of content over packet-based networks. Signal packets sent from a source can be used to provide the contents of the packet to multiple recipients on the network. A set of receivers that want to receive some media content from a source can be spread across the network, even across different networks. There is usually some optimal path for each of the recipients to deliver the content to. If the paths from the source to each of the receivers are compared, there may be overlap of paths. The degree of overlap will vary based on the location of e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06
CPCH04L45/46H04L12/18H04L45/04H04L45/16
Inventor 拉维·I.·辛拉胡尔·巴哈杜尔比德·弗莱德里克·亨特
Owner NOKIA CORP
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