Space Internet Delay-Tolerant Routing Protocol LunarLink Receives CCSDS Approval: Unified Earth-Moon Communication Standards
The Consultative Committee for Space Data Systems (CCSDS) formally approves the LunarLink delay-tolerant routing protocol, establishing a unified standard for data transmission between Earth and the Moon and supporting lunar base internet access.
Space Internet Delay-Tolerant Routing Protocol LunarLink Receives CCSDS Approval: Unified Earth-Moon Communication Standards
The Consultative Committee for Space Data Systems (CCSDS) formally approved the LunarLink delay-tolerant routing protocol on July 31. The protocol is specifically designed for the characteristics of Earth-Moon communication — signal delay of approximately 1.3 seconds, intermittent link disruptions, and limited asymmetric bandwidth. LunarLink defines the store-and-forward mechanism for data packets, priority scheduling, and retransmission strategies, enabling data transmission between Earth and the Moon to operate as reliably as the internet on Earth.
LunarLink has been adopted as a standard communication protocol by NASA's Artemis lunar base program and China's Chang'e program. The first ground stations supporting LunarLink will become operational in 2031, providing infrastructure support for the planned lunar surface communication network.
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