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System for information transmission, and controller for information transmission

A technology of information transmission and controller, which is applied in the field of data processing, can solve the problems of coarse forwarding granularity and the inability to accurately identify multicast streams, etc., and achieve the effect of simplifying the system architecture

Inactive Publication Date: 2016-02-24
PHICOMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And IGMPSnooping runs at the link layer, multicast forwarding is based on the multicast MAC table, resulting in too coarse forwarding granularity, unable to accurately identify multicast streams

Method used

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  • System for information transmission, and controller for information transmission
  • System for information transmission, and controller for information transmission
  • System for information transmission, and controller for information transmission

Examples

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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0028] figure 1 A system frame diagram of information transmission provided by an embodiment of the present invention. like figure 1 As shown, the system includes a multicast source 1, a switch 2, a controller 3, and a multicast client 4, wherein the number of the switch 2 can be multiple, and the switch 2 can be connected to the mult...

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Abstract

The invention provides a system for information transmission, and a controller for information transmission. The system includes a multicast source, switchboards, a controller and a multicast client, wherein the switchboards report the configuration information to the controller; the configuration information at least includes MAC addresses and the port information of the switchboards; according to the configuration information and an LLDP (Link Layer Discovery Protocol), the controller determines a network topology structure; the controller acquires IGMP control messages from the switchboards; according to the network topology structure and the IGMP control messages, the controller generates a flow table and issues the flow table to the switchboards; and according to the flow table, the switchboards transmit the multicast data between the multicast source and the multicast client. The embodiment of the invention provides a system for information transmission, and a controller for information transmission, and can simplify the system architecture for information transmission.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to an information transmission system and a controller. Background technique [0002] With the rapid development of Internet technology, the amount of information on the Internet is also growing explosively. During the transmission of information, when the target of information transmission is a small number of users in the network, various transmission methods can be used. For example, the unicast method can be used, that is, a data transmission channel is established for each user separately; or the broadcast method can be used, that is, the information is transmitted to all users in the network, whether they need it or not Received broadcast information. For example, when 200 users on a network need to receive the same information, the traditional solution is to use unicast to send this information 200 times respectively, so as to ensure that the users who need the info...

Claims

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Application Information

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IPC IPC(8): H04L12/751H04L12/781H04L12/911H04L12/927H04L12/947H04L45/02H04L45/52H04L47/80
CPCH04L45/02H04L45/52H04L47/806H04L47/829H04L49/252Y02D30/00
Inventor 翟跃
Owner PHICOMM (SHANGHAI) CO LTD
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