Accurate and reliable knowledge of time is fundamental to cyber-physical systems for sensing, control, performance, and energy efficient integration of computing and communications. This simple statement underlies the RoseLine project. Emerging CPS [Cyber Physical Systems – vy] applications depend on
What happens when you do not use enterprise quality technology.
News from last year. Aug. 26, 2013 11:52 a.m. ET A glitch in time synchronization caused German exchange operator Deutsche BoerseAG DB1.XE -0.16% ‘s Eurex Exchange arm to halt trading for slightly more than an hour early Monday, the latest
Why is clock synchronization so important in big data
Distributed transactions have historically been implemented by the database community in the manner pioneered by the architects of System R* [22] in the 1980s. The primary mechanism by which System R*-style distributed transactions impede throughput and extend latency is the requirement of an
From Jersey to Wall Street – or the equivalent
A common configuration for FSMLabs TimeKeeper customers is to cross-couple time sources in New Jersey and New York City or London and Slough or Chicago and Aurora or Singapore and Sidney- any two trading locations that are connected with high quality
The technology disconnect
What it did was reinforce a point about the sociology of management: From cars to space shuttles, from offshore oil wells to nuclear reactors, the people who make the decisions are often out of step with the mechanical details.” – Mathew Wald,
The story we were told at a bank that I cannot name is that all their time synchronization was the domain of an engineer tucked away for 30 years in the home office, a fellow known as Professor Time. The
Measuring NTPd in the Cloud II
The problem with ntpd is the sudden performance degradations which can occur when conditions deviate from ‘ideal’. We have detailed these robustness issues of ntpd in prior work, including [17, 18]. Simply put, when path delay variability exceeds some threshold, which is a complex function
Measuring Clock Synchronization in the Cloud- NTPd versus TimeKeeper
Measured on Amazon EC2. Standard deviation from reference time over 20 hours TimeKeeper: 23 microseconds NTPd: 6000 microseconds (6 milliseconds)
Managed services (and cloud) for financial industry
The nature of data security is constantly changing for the financial industry. With the ever-growing need for tighter IT infrastructure security and the increasing prevalence of BYOD-friendly workplaces, financial institutions are turning to managed services to help handle these changes. In fact,
Cassandra Cluster Synchronization
Cassandra is a highly-distributable NoSQL database with tunable consistency. What makes it highly distributable makes it also, in part, vulnerable: the whole deployment must run on synchronized clocks. It’s quite surprising that, given how crucial this is, it is not covered