Precision Time Protocol – NVIDIA Technical Blog News and tutorials for developers, data scientists, and IT admins 2025-03-26T22:01:23Z http://www.open-lab.net/blog/feed/ Ahmad Byagowi <![CDATA[Open Source Time Synchronization Services for Data Center Operators]]> http://www.open-lab.net/blog/?p=61428 2023-03-09T19:14:30Z 2023-03-06T16:00:00Z Applications are increasingly real-time and delay-sensitive, from distributed databases and 5G radio access networks (RANs) to gaming, video streaming,...]]> Applications are increasingly real-time and delay-sensitive, from distributed databases and 5G radio access networks (RANs) to gaming, video streaming,...Scalable PTP stack

Applications are increasingly real-time and delay-sensitive, from distributed databases and 5G radio access networks (RANs) to gaming, video streaming, high-performance computing (HPC), and the metaverse. Nanosecond resolution time sync augments conventional computing in many ways, including: Through a series of collaborations, NVIDIA, Meta, and others in the Open Compute Project Time��

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]]> 0 Yam Gellis <![CDATA[Calculating and Synchronizing Time?with the Precision Timing Protocol on the NVIDIA Spectrum Switch]]> http://www.open-lab.net/blog/?p=54221 2023-06-12T09:01:16Z 2022-09-09T15:46:47Z PTP uses an algorithm and method for synchronizing clocks on various devices across packet-based networks to provide submicrosecond accuracy. NVIDIA Spectrum...]]> PTP uses an algorithm and method for synchronizing clocks on various devices across packet-based networks to provide submicrosecond accuracy. NVIDIA Spectrum...

PTP uses an algorithm and method for synchronizing clocks on various devices across packet-based networks to provide submicrosecond accuracy. NVIDIA Spectrum supports PTP in both one-step and two-step modes and can serve either as a boundary or a transparent clock. Here��s how the switch calculates and synchronizes time in one-step mode when acting as a transparent clock. Later in this post��

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]]> 0 Peter Rizk <![CDATA[Understanding the Need for Time-Sensitive Networking for Critical Applications]]> http://www.open-lab.net/blog/?p=51002 2023-06-12T09:11:55Z 2022-07-21T17:51:10Z In the old days of 10 Mbps Ethernet, long before Time-Sensitive Networking became a thing, state-of-the-art shared networks basically required that packets...]]> In the old days of 10 Mbps Ethernet, long before Time-Sensitive Networking became a thing, state-of-the-art shared networks basically required that packets...

In the old days of 10 Mbps Ethernet, long before Time-Sensitive Networking became a thing, state-of-the-art shared networks basically required that packets would collide. For the primitive technology of the time, this was eminently practical�� computationally preferable to any solution that would require carefully managed access to the medium. After mangling each other��s data��

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