Broadcast

Title: Broadcast

Research Question: How many parties are needed to broadcast a message reliably, even in the presence of faulty parties?

Methodology: The researchers used a mathematical approach to analyze the problem. They considered different scenarios with varying numbers of compliant and faulty parties, and studied the conditions under which reliable broadcast could be achieved.

Results: The researchers found that 2f < kh is a necessary and sufficient condition for implementing broadcast with h compliant and f faulty parties using k-cast channels. This means that if the number of faulty parties is less than half of the number of compliant parties, then reliable broadcast can be achieved using k-cast channels.

Implications: This research has important implications for the design of reliable distributed systems. It shows that even in the presence of faulty parties, reliable broadcast can be achieved using a limited number of channels. This could lead to more efficient and robust system designs.

Link to Article: https://arxiv.org/abs/0012024v4 Authors: arXiv ID: 0012024v4