Method and device for multicast users of specific source group to leave quickly
A source group and user technology, applied in the field of communication, can solve the problems of not being able to leave quickly and increase the delay of multicast users leaving, and achieve the effects of reducing congestion, high flexibility and scalability, and enhancing user-friendliness
Inactive Publication Date: 2014-07-16
ZTE CORP
View PDF4 Cites 2 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0016] The purpose of the present invention is to provide a method and device for quickly leaving a multicast user of a specified source group to solve the problem of partial multicasting of a specific source group caused by the splitting of a specific source group query message in the prior art The user's leaving delay is multiplied and the problem of not being able to leave quickly
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0055] The following describes the method and device for quickly leaving a multicast user of a designated source group of the present invention with reference to the accompanying drawings.
[0056] Figure 4 It is a schematic diagram of the network structure in an embodiment of the present invention (a simple schematic diagram of a larger-scale multicast network, omitting a lot of equipment), such as Figure 4 The network shown includes multicast source servers 401 and 402, routers 403-406, and user hosts 407 and 408. The router 403 is directly connected to the multicast source server 401, and the router 404 is directly connected to the multicast source server 402. The group addresses of both 401 and 402 are G; the routers 403 and 404 are both connected to the router 405, and the router 405 is the query router; The router 405 is connected to the router 406 downwards, and the user hosts 407 and 408 are connected to the router 406. The host 407 is the last user of the multicast grou...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a method and a device for fast departure of multicast users of a specified source group, which are used to solve the problem that the multicast user departure delay of some specific source groups increases exponentially due to the splitting of specific source group query messages, and cannot Problem with leaving quickly. Utilizing the reserved fields in the existing membership report messages, a special membership report message is introduced to guide the construction of specific source group query messages, ensuring the security of specified source groups in large-scale IP multicast networks. Users can be queried first and leave quickly. The present invention can reduce multicast network congestion, improve network performance and network security, and enhance users of multicast services when optimizing and controlling high-bandwidth multicast groups, frequently joining and leaving multicast groups, and high-priority users The friendliness and manageability of multicast services can also play a certain role in protecting the multicast source server.
Description
Technical field [0001] The present invention relates to the field of communication technology, and more specifically, is a method and device for quickly leaving a multicast user of a designated source group. Background technique [0002] IP (Internet Protocol, Internet Protocol) multicast means that IP data is generated by a single sender (source) and distributed to a group of receivers over the network. The multicast source only generates one piece of data, and the router equipment in the network collects the receiver's information to realize the forwarding and replication of the multicast data stream. IP multicast can double the network bandwidth and realize efficient data transmission. Therefore, it can be used in large-scale media stream distribution such as IPTV, network conferences and other multi-point interactive applications, data centers and PC processing and other productive data cloning, distributed computing and other real-time Widely used in scenarios such as syste...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04L12/18H04L45/16
Inventor 曹淑玲
Owner ZTE CORP