Decentralized Systems Engineering: Gossip Efficiency

This lecture covers the evaluation of gossip protocols, focusing on quality measures and efficiency. It explores techniques to minimize traffic, improve dissemination, and ensure message reach. The instructor discusses anti-entropy mechanisms, rumor mongering, and residue analysis. Additionally, the lecture delves into applications of gossip in metadata propagation, failure detection, and group membership. It concludes with an overview of decentralized search algorithms, including unstructured and structured approaches, and the historical context of building Gnutella.