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Efficient way to manage host subscription state on a proxy device

A state and management module technology, which is applied to devices that provide special services in branches, data exchange through path configuration, data exchange details, etc., and can solve problems such as requiring reprocessing

Inactive Publication Date: 2013-11-13
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is processor intensive for the agent appliance and delays the computation of the new aggregate state for the interface
Also, while the aggregated state based on all circuits is being reprocessed, any changes to the state of circuits that have already been processed will also require reprocessing

Method used

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  • Efficient way to manage host subscription state on a proxy device
  • Efficient way to manage host subscription state on a proxy device
  • Efficient way to manage host subscription state on a proxy device

Examples

Experimental program
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Embodiment Construction

[0015] In the following description, numerous specific details are set forth. It is understood, however, that these specific details may not be needed to practice the embodiments of the invention. In other instances, well-known circuits, structures and techniques have not been shown in detail in order not to obscure the understanding of this description. However, it will be appreciated by those skilled in the art that the present invention may be practiced without such specific details. With the included description, those skilled in the art will be able to implement appropriate functionality without undue experimentation.

[0016] will now refer to Figure 1-4 An exemplary embodiment of , describing the operation of the flowchart. However, it should be understood that the operations of the flowcharts can be performed in accordance with reference Figure 1-4 Embodiments of the invention other than those described are implemented, and reference is made to Figure 1-4 ...

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Abstract

In a proxy for an upstream multicast router using IGMP or MLD, a process efficiently and scalably manages an interface between the upstream multicast router and the proxy by tracking a subset of multicast sources from the plurality of multicast sources required by an aggregate state of the plurality of multicast subscriber nodes. The tracking uses an interface tracking table for determining the aggregate state for the interface instead of a forwarding information base (FIB) and membership database that tracks more specific data detailing each multicast source required by each multicast subscriber node. The process receives an IGMP or MLD membership report with at least one change in the set of multicast sources to be received on the interface, updates the interface tracking table to reflect the at least one change in the subset of multicast sources and notifies the upstream multicast router of the at least one change.

Description

technical field [0001] Embodiments of the present invention relate to methods and systems for improving the efficiency and scalability of multicast subscriber management at downstream proxy devices. In particular, embodiments of the present invention relate to managing aggregation states of interfaces between downstream proxy devices and upstream multicast routers using interface tracking tables for multicast sources with respect to aggregation requirements of multicast subscriber nodes. Background technique [0002] A proxy device is used in a multicast network to manage forwarding and blocking of multicast sources between a set of multicast subscriber nodes and upstream multicast routers. An upstream multicast router is directly connected to a multicast source, or an intermediary device is indirectly connected to a multicast source that provides content to a set of multicast subscriber nodes. A proxy device is a Level 2 (L2) device that manages a membership database for a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/18H04L12/28
CPCH04L12/4625H04L12/185
Inventor K.R.沙
Owner TELEFON AB LM ERICSSON (PUBL)