'Pre prepare' presentation slideshows

Problem

Problem. Computer systems provide crucial services Computer systems fail natural disasters hardware failures software errors malicious attacks. client. server. Need highly-available services. client. server. Replication. unreplicated service. replicated service. client. server

624 views • 56 slides

Outline

Outline. BFT PBFT Zyzzyva. Announcement. Review for week 7 Due Mar 11 Gilad, Yossi, et al. " Algorand : Scaling byzantine agreements for cryptocurrencies." Proceedings of the 26th Symposium on Operating Systems Principles . ACM, 2017. Mar 13 in class Project progress presentation

564 views • 56 slides

Practical Byzantine Fault Tolerance

664 views • 39 slides

Practical Byzantine Fault Tolerance

Practical Byzantine Fault Tolerance. Miguel Castro and Barbara Liskov MIT Presented to cs294-4 by Owen Cooper. The problem . Provide a reliable answer to a computation even in the presence of Byzantine faults. A client would like to Transmit a request Wait for k replies

368 views • 28 slides