Data flow message forwarding method in network and network system
A technology of message forwarding and data flow, applied in the field of communication, which can solve the problems of inability to obtain messages and unusable network coding.
Active Publication Date: 2020-02-18
BEIJING STARPOINT TECH COMPANY
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Problems solved by technology
[0004] Since the transmission of wireless signals has a certain range, the interception is only effective within a certain range. When the network node is far away from the transmission path of the message, it will not be able to obtain the message
Network encoding cannot be used when snooping fails to meet network encoding prerequisites
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[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
[0035] In one embodiment of the present invention, a method for forwarding data flow packets in a network is provided, figure 1 It is a schematic diagram of the overall flow of the data flow packet forwarding method in the network provided by the embodiment of the present invention. The method includes:
[0036] A relay node located on both the first data stream transmission path and the second data stream transmission path in the network initiates a consultation request to the first downstream node and th...
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The invention provides a data flow message forwarding method in a network and a network system. The method comprises the following steps: a relay node simultaneously located on a first data flow transmission path and a second data flow transmission path in the network initiates a consultation request to a first downstream node and a second downstream node of the relay node, wherein the consultation request is used for consulting whether the first downstream node or the second downstream node meets a virtual interception condition or not; and after receiving positive replies of the first downstream node and the second downstream node, the relay node sends a command for starting virtual interception to the first downstream node and the second downstream node, so that the first downstream node and the second downstream node respectively acquire a second data flow message and a first data flow message in a virtual interception mode. The invention provides a virtual interception technology,which can break through the limitation of the traditional interception on the distance range and allow the network node far away from the transmission path of the user message to indirectly obtain the user message, so that the network coding can be applied to more network scenes.
Description
technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a data flow message forwarding method in a network and a network system. Background technique [0002] In wireless communication, since the transmission of signals is limited by the limited transmission power and channel attenuation, it is often necessary to introduce relay nodes to store and forward data. With the increase of network users, the data of different users needs to compete for the use of relays. service, then, only by adopting efficient data forwarding technology can we provide users with high-quality data transmission services. Network coding technology is a key technology, which allows the relay node to encode multiple data messages of different users to generate a brand new message, which contains the data of the above different users, and the relay node passes wireless The broadcast function of the channel forwards the message, realizing the ef...
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IPC IPC(8): H04W40/22H04W74/08H04L12/709H04L12/721H04L45/243
CPCH04W40/22H04W74/0808H04L45/123H04L45/245
Inventor 谢玲富杨新杰熊健翔崔清陈波陈杰
Owner BEIJING STARPOINT TECH COMPANY