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A data transmission method and node technology, applied in the field of communication, can solve problems such as bandwidth waste
Active Publication Date: 2021-09-10
CHINA MOBILE COMM LTD RES INST +1
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In related technologies, data packets for the same service flow will carry the above-mentioned demand information, and if a suitable network path is found or established based on the demand information carried in the first or first data packets, it is equivalent to subsequent The data packet carries a lot of repeated information, resulting in a waste of bandwidth
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example 1
[0118] Figure 5 Interaction diagram of the data transmission method provided by the embodiment of the present invention Figure 1 ;like Figure 5 As shown, the method includes:
[0119] Step 301: the encapsulation node sends the first data packet of the service flow to the mapping node, and the first data packet includes identification information and service requirement information.
[0120] Here, the encapsulation node is a node that encapsulates data packets in the APN format, specifically, it can be figure 1 The client shown in (specifically may be an application in the client) or an application-aware edge node. Wherein, the identification information may include: application identification, user identification, and flow identification information, and the service requirement information includes any information of bandwidth, delay, jitter, and packet loss rate.
[0121] Step 302: The mapping node establishes a mapping between a service flow and a communication tunnel...
example 2
[0131] Image 6 Interaction diagram of the data transmission method provided by the embodiment of the present invention Figure II ;like Image 6 As shown, the method includes:
[0132] Step 401: the encapsulation node sends the first data packet of the service flow to the mapping node, and the first data packet includes identification information and service requirement information.
[0133] Here, the encapsulation node is a node that encapsulates data packets in the APN format, specifically, it can be figure 1 The client shown in (specifically may be an application in the client) or an application-aware edge node. Wherein, the identification information may include: application identification, user identification, and flow identification information, and the service requirement information includes any information of bandwidth, delay, jitter, and packet loss rate.
[0134] Step 402: The mapping node establishes a mapping between a service flow and a communication tunnel ...
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Abstract
The embodiment of the invention discloses a data transmission method, a node and a storage medium. The method comprises the steps of sending a first data packet of a service flow to a mapping node by an encapsulation node, wherein the first data packet comprises identification information and service demand information, the identification information and the service demand information are used for the mapping node to establish mapping of the service flow and the communication tunnel; after determining that the mapping node establishes mapping of the service flow and the communication tunnel, sending a second data packet to the mapping node by the packaging node, wherein the second data packet comprises flow identification information, and the flow identification information is a part of the identification information, and the second data packet is a data packet of the service flow after the first data packet.
Description
technical field [0001] The present invention relates to the technical field of communication, in particular to a data transmission method, a node and a storage medium. Background technique [0002] In the application-aware network (APN, Application-aware Networking) architecture, the encapsulation node carries demand information in the data packet sent to the mapping node, such as service parameters (service parameters), which are used to find or establish a suitable network path, so as to achieve network-aware services and the ability to carry out loads on demand. In related technologies, data packets for the same service flow will carry the above-mentioned demand information, and if a suitable network path is found or established based on the demand information carried in the first or first data packets, it is equivalent to subsequent The data packet carries a lot of repeated information, resulting in a waste of bandwidth. Contents of the invention [0003] In order to...
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