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keeping simple

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Author: vy

Data tiedowns with reliable time stamping

April 3, 2014 vy timekeeper

Management teams are  growing more reliant on the ability to immediately  access and quickly sort through massive amounts of data to find the information they

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Challenges upgrading time synchronization in a global financial company

February 4, 2014 vy timekeeper

The real-world challenges of trying to upgrade time-synchronization without TimeKeeper are described in an excellent 2012 technical paper about a project at the company IMC

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Time maps for visualizing time distribution networks

January 22, 2014 vy timekeeper

Without this information, a time distribution network is a black box. TimeKeeper looks at all the sources of time, in any protocol, that it can

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Data integrity depends on time synchronization

January 22, 2014 vy timekeeper

In a distributed compute system, such as any multi-device transaction system or database, time synchronization is essential to data integrity. The simplest case is a

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Efficient Optimistic Concurrency Control Using Loosely Synchronized Clocks

January 21, 2014 vy timekeeper

Efficient Optimistic Concurrency Control Using Loosely Synchronized Clocks This paper describes an efficient optimistic concurrency control scheme for use in distributed database systems in which objects

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Time Synchronization in the Cloud

January 21, 2014 vy timekeeper

Synchronizing clocks in the cloud, especially for virtual machines, is way beyond the capabilities of ordinary synchronization methods. Tests show that virtual machines in the

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Mitre and GPS spoofing

January 20, 2014 vy timekeeper

Some slides on GPS timing vulnerabilities.

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The business case for being time protocol agnostic.

January 19, 2014 vy timekeeper

Time Synchronization and Distribution is a business critical issue but it is easy to become bogged down in arcane technology/marketing controversies.  One of those controversies

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Challenges deploying PTPv2 in a Global Financial company

January 19, 2014 vy timekeeper

Interesting article – most of these problems and more were solved in TimeKeeper years ago. But the most interesting part is the enormous engineering effort

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Patent Reform modest proposal.

December 10, 2013 vy software business

Companies over a certain size should be required to show that they have evaluated a patent claim from a small entity in good faith. That

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