auragen – keeping simple

The replicated state machine method of fault tolerance from 1980s

The first time I saw this method was when I went to work for Parallel Computer Systems, , later called Auragen, in the famous tech startup

This article on the interesting Wave Transactional File System inspired me to look up an earlier file system that also used copy on write semantics.

So I don’t understand the novelty in the methods here over the Glazer patent. The replica supervisors provide interfaces to the replicas that are the

software patent

In the early 1980s, I worked for a start-up called Auragen Computers based in Fort Lee, New Jersey. We were making a 68K based fault