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The IEEE 1588 Default Profile

January 9, 2014 by Douglas Arnold Leave a Comment

Five Minute Facts About Packet Timing By Doug Arnold. As we've seen in previous posts, PTP has many optional features, and often more than one way to do things.  This is what gives PTP its awesome flexibility to cover so many different kinds … [Continue reading]

Filed Under: IEEE 1588

High availability Bonding Configuration

December 17, 2013 by Andreja Jarc Leave a Comment

In one of our articles, we addressed different types of redundancy in NTP networks and high availability bonding was one of them. This setup implemented with Meinberg LANTIME systems assures the constant availability of an NTP server, even if the LAN … [Continue reading]

Filed Under: Configuration Guidelines, NTP

HOW to setup an NTP Cluster

December 10, 2013 by Andreja Jarc 37 Comments

By Andreja Jarc. If you're thinking of building your own NTP pool within your middle or large sized company, and if you are concerned about the safety and availability of time service in the network, you may consider a cluster setup with your NTP … [Continue reading]

Filed Under: Configuration Guidelines, NTP Tagged With: cluster mode, NTP pool, self-healing infrastructure

HOW to use redundancy for your NTP network

November 27, 2013 by Andreja Jarc 13 Comments

By Andreja Jarc. There are a number of methods to assure highly available and reliable operation of time & frequency synchronization in your networks. One principle for example is to use well designed and robust equipment. However, even with … [Continue reading]

Filed Under: NTP Tagged With: configuration guidelines, high-availability, ntp, redundancy

About Andreja Jarc

November 27, 2013 by Andreja Jarc 4 Comments

Dr. Andreja Jarc

Dr. Andreja Jarc founded the Meinberg Sync Academy in 2014 and was the Academy's Director for six years until 2020. The academy is a department within the Meinberg Company offering Trainings and Workshops on Synchronization Technology for end users … [Continue reading]

Filed Under: Authors

NTP vs PTP: Network Timing Smackdown!

November 22, 2013 by Douglas Arnold 27 Comments

Five Minute Facts About Packet Timing By Doug Arnold. I get asked a lot of questions from customers about network timing technology.  Some of them are challenging to answer.  However, one that I get all the time that is easy to answer is this: … [Continue reading]

Filed Under: IEEE 1588, NTP

What Makes a Master the Best?

November 14, 2013 by Douglas Arnold 35 Comments

OC states, BMCA best master clock algorithm IEEE1588

Five Minute Facts About Packet Timing By Doug Arnold. This is a very brief introduction to the Best Master Clock Algorithm.  For a more detailed description refer to the more detailed post: BMCA Deep Dive. A key to the resiliency of the Precise … [Continue reading]

Filed Under: IEEE 1588

One-step or Two-step?

October 28, 2013 by Douglas Arnold 20 Comments

Five Minute Facts About Packet Timing By Doug Arnold. One-step or two-step clocks for IEEE 1588?  This is a question I hear a lot.  If you are designing PTP enabled equipment, then it is a question, which has important ramifications for the … [Continue reading]

Filed Under: IEEE 1588

What Are All Of These IEEE 1588 Clock Types?

October 21, 2013 by Douglas Arnold 20 Comments

Five Minute Facts About Packet Timing By Doug Arnold. If you are new to the exciting world of IEEE 1588, or even if you are not, you might find yourself confused by all of the different types of clocks.  I've heard and seen the following terms used … [Continue reading]

Filed Under: IEEE 1588 Tagged With: 000080

Tales from the ISPCS Plugfest

October 14, 2013 by Douglas Arnold 2 Comments

Five Minute Facts About Packet Timing By Doug Arnold. I recently got back from the ISPCS Plugfest.  If you don't know what this is, 33 organizations came together for three days in Lemgo, Germany to test interoperability of their IEEE 1588 enabled … [Continue reading]

Filed Under: IEEE 1588

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