TIME SYNCHRONIZATION BETWEEN NODES OF A SWITCHED INTERCONNECT FABRIC
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United States of America Patent
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Issued Date -
Nov 27, 2014
app pub date -
May 22, 2013
filing date -
May 22, 2013
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Abstract
A data processing node includes a local clock, a slave port and a time synchronization module. The slave port enables the data processing node to be connected through a node interconnect structure to a parent node having time-based functionality thereof that is operating in accordance with a fabric time of the node interconnect structure. The time synchronization module is coupled to the local clock and the slave port. The time synchronization module is configured for engaging in a time synchronization message exchange sequence with a node connected to the slave port thereof to collect parent-centric time synchronization information and synchronizing operation of a central processing unit (CPU) structure of the data processing node with the fabric time using the parent-centric time synchronization information.
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