Space-based network PIM-SSM multicast label routing method based on centralized control
A technology of centralized control and centralized controller, applied in the direction of data exchange network, radio transmission system, digital transmission system, etc., can solve the security deterioration of space-based network, limit the use of standard multicast routing protocol PIM-SSM, routing protocol Easy to be attacked and other problems, to achieve the effect of excellent scalability, avoid communication problems, and reduce the burden
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[0039] Combine the following figure 1 The preferred embodiments of the present invention are described, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.
[0040] The present invention is jointly completed by the multicast functions on entities such as a centralized controller, a space-based network satellite node, and a satellite terminal. Among them, the satellite terminal, as the connection device between the user network and the space-based network, completes the conversion of the standard PIM-SSM multicast routing protocol signaling, the standard multicast group protocol and the satellite-side PIM-SSM multicast label routing signaling, and the IP group Label encapsulation and decapsulation of broadcast data; space-based network satellite nodes complete the inter-satellite forwarding of IP data with multicast labels; centralized controller and sa...
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