Forum Discussion

Jantzen's avatar
Jantzen
Equinix Employee
4 years ago
Solved

What's the difference between the software timestamp feature and the hardware timestamp?

What's the difference between the software timestamp feature and the hardware timestamp? 

  • Hardware time-stamping is used to synchronize the PTP hardware clock to the master clock. With this feature, packets are time-stamped before they enter the kernel or user space. This avoids any delays caused by kernel or user space processing. PTP works best with the hardware time stamping support on NIC.

    Software time-stamping is used to synchronize the system clock to the Master clock. This approach is used mainly by NTP.

1 Reply

  • Jantzen's avatar
    Jantzen
    Equinix Employee

    Hardware time-stamping is used to synchronize the PTP hardware clock to the master clock. With this feature, packets are time-stamped before they enter the kernel or user space. This avoids any delays caused by kernel or user space processing. PTP works best with the hardware time stamping support on NIC.

    Software time-stamping is used to synchronize the system clock to the Master clock. This approach is used mainly by NTP.

Featured Places

  • Node avatar for Discussions

    Discussions

    Engage with industry experts, share insights, ask questions, and grow your network.
  • Node avatar for Ideas

    Ideas

    We're listening! Submit your ideas to shape the future of Equinix!
  • Node avatar for Groups

    Groups

    Ready to collaborate? Join a Group or upcoming beta program.
  • Node avatar for What's New

    What's New

    Stay ahead with the latest from Equinix. Discover new product announcements, insightful tutorials, and practical use cases.
  • Node avatar for Events

    Events

    Your Guide to Upcoming Events - Online, Hybrid, and In-Person!