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A system and method for realizing network layer multicast service and service management

A multicast service and multicast technology, applied in the Internet and communication fields, can solve the problems of low efficiency in service provisioning, change and management

Active Publication Date: 2011-04-20
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] Although at present, there are already some multicast service systems in experimental operation, such as IPTV and other streaming media service systems, which can control the group of multicast users by statically configuring the multicast relay equipment that accesses the multicast users. broadcast join, leave and other operations, but the efficiency of service provisioning, change and management is relatively low

Method used

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  • A system and method for realizing network layer multicast service and service management
  • A system and method for realizing network layer multicast service and service management
  • A system and method for realizing network layer multicast service and service management

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Experimental program
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Embodiment approach

[0086] The above interfaces all adopt IETF's IGMP, Internet Group Management Protocol protocol, the protocol version can be v1 and v2 version, IGMP is a multicast control protocol that works between the host host and the multicast router, and is carried on the IP layer. layer protocol, as shown in Table 1 below.

[0087] MAC header

IP header

IGMP packets

[0088] Table 1

[0089] So far, IETF has released three versions for IGMP, v1 (rfc1112), v2 (rfc2236) and V3 (rfc3376), among which the widely used versions mainly include IGMP v1 and IGMPv2.

[0090] (1) Introduction to IGMPv1

[0091] The message format definition is shown in Table 2:

[0092] 0123 4567 89012345 6789012345678901

[0093] ++++ ++++ ++++++++ +++++++++++++++++

[0094] |Version|Type|Unused|Checksum|

[0095] ++++++++++++++++++++++++++++++++++

[0096] | Group Address |

[0097] ++++++++++++++++++++++++++++++++++

[0098] Table 2

[0099] in:

[0100] Version is set to 0...

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Abstract

The invention provides general plying multicast service system, which includes multicast receiver, multicast source, multicast user control device, control device for multicast source, pure multicast relay device and management platform for multicast service; and it also discloses relative management method for multicast service. Using the system and method, it can realize the management and running for multicast service. The invention solves the problems of management and running based on multicast communication, and especially provides the function of user discrimination and charging.

Description

technical field [0001] The invention belongs to the field of Internet and communication, is applicable to various services based on group mode communication, describes a multicast service system capable of meeting basic service operation requirements, and proposes a related service management method for the multicast service system. Background technique [0002] Multicast is a communication mode different from point-to-point unicast. It is a group-based communication mode. On the data Internet based on IP protocol, relevant control protocols supporting multicast communication have been formulated, such as host and multicast IGMP protocol between routers, multicast routing protocol between multicast routers, etc. [0003] The working model diagram of the basic multicast service is attached figure 1 shown. [0004] figure 1 The system mainly includes three types of entities, one is the multicast receiver 100, the other is the multicast relay device 200, and the other is the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/18H04L45/16H04L47/80
Inventor 杨战宏杨明川谭国权广小明雷葆华王和宇王玮
Owner CHINA TELECOM CORP LTD