Global synchronization method and system based on packet switching system

摘要

A global synchronization method based on a packet switching system includes that: a reference chip is selected; and each chip calibrates its own timer by taking the reference chip as a reference, wherein each chip sends a zero-point pulse or zero-point pulse cell to each high-speed link (serdes) connected with the chip, and feeds back a calibration cell in response to a zero-point pulse or zero-point pulse cell received through each high-speed link. Accordingly, a global synchronization system based on a packet switching system is also disclosed. The disclosure reduces the packet loss rate and increases the accuracy of calibration.

主权项

1. A global synchronization method based on a packet switching system, comprising:
selecting a reference chip; and calibrating, by each chip, its own timer by taking the reference chip as a reference.