Скачать или смотреть goTenna ECHO Mesh Networking Protocol

The animation shows the Aspen Grove ECHO protocol in operation. A distributed algorithm adaptively selects a small set of relayers for disseminating broadcast messages like Position Location Information (PLIs). Compared to traditional protocols that have every node relay, ECHO cuts down dramatically on transmissions, increasing scalability and battery life.
Instead of using control packets, ECHO uses a field in the data packet header, and a node listens for an “echo” of the specific packet to determine its membership in the broadcast backbone. The research shows using high-fidelity simulations that ECHO provides a significantly better delivery ratio than Flooding, Multi-Point Relay (MPR) and Opportunistic Announcement (OA) for 50-node networks and dramatically reduces the communication load.

Researchers at goTenna, Inc. and the University of Delaware released a research paper demonstrating the superiority of the ECHO mesh networking protocol using zero-control-packet broadcasting in a series of evaluations.

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