Description
TL;DR: A compact study of how much agreement is possible when nodes allocate resources using zero or one local communication round instead of global network knowledge.
About This Document
Debashis Dash and Ashutosh Sabharwal model distributed resource allocation on path graphs inspired by wireless interference networks. They identify conditions under which no protocol can guarantee conflict-free allocation after a finite number of rounds, characterize the best zero-round random allocation, and enumerate one-round protocols that reduce the remaining conflict groups.
Why Bitcoin People May Care
This is not Bitcoin or blockchain consensus. The participants divide frequencies or time slots under limited local communication; they are not choosing a transaction ledger under economic attack. It remains useful distributed-systems background because message rounds, topology, local knowledge, and coordination limits also matter in decentralized networks. Its results apply to the paper's graph and allocation model.
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Document Details
- Title: Distributed Consensus with Finite Message Passing
- Author / organization: Debashis Dash and Ashutosh Sabharwal
- Year: 2010
- Language: English
- Document type: Distributed-systems research paper
- Pages: 5
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