Dynamic subscriber bandwidth regulation method, system and broadband network gateway

A broadband network and bandwidth adjustment technology, applied in the field of communications, can solve problems such as damage to the operator's interests, inability to guarantee the QoS of multicast services, and degradation of multicast service experience, so as to alleviate downlink congestion. Effect
CN102202001AInactive Publication Date: 2011-09-28CHINA TELECOM CORP LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA TELECOM CORP LTD
Publication Date
2011-09-28
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a dynamic subscriber bandwidth regulation method, a dynamic subscriber bandwidth regulation system and a broadband network gateway, which relate to the technical field of communication. The method comprises that: the broadband network gateway receives a multicast addition request from a subscriber; the broadband network gateway acquires a bandwidth value of a multicast group into which the subscriber requests to be added; the broadband network gateway regulates unicast bandwidth conventionally configured by the subscriber into the bandwidth obtained by subtracting the bandwidth value of the multicast group by a committed access rate (CAR); and when receiving a multicast leaving request from the subscriber, the broadband network gateway recovers a unicast bandwidth CAR value. By the multicast-way-based subscriber bandwidth regulation method and the multicast-way-based subscriber bandwidth regulation system, dynamic subscriber bandwidth regulation is realized, the bandwidth resources of an operator can be effectively prevented from loss, the congestion degree of a downlink is reduced, and simultaneously, the multicast service experiences of the subscriber are improved.
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Description

Technical field

[0001] The present invention relates to the field of communication technology, and in particular to a method, system and broadband network gateway for dynamic adjustment of user bandwidth. Background technique

[0002] Multicast is a data packet delivery method. Through multicast, the source host can send the same data packet to multiple destination hosts in the same multicast group at the same time. Multicast technology realizes efficient point-to-multipoint data transmission in IP networks. Because multicast can effectively save network bandwidth and reduce network load, it is widely used in network video, real-time data transmission, multimedia conferencing, data copying, games and simulations, etc. It has wide applications in many aspects.

[0003] IP multicast includes two basic protocols: multicast routing protocols and multicast group management protocols supported between routers and hosts. Multicast group management protocols include IPv4-based IG...

Claims

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