Programmable Network Switch

by Jonathan Romney last modified May 29, 2018

A software-based network switch, purchased from XCube Research and Development, is an essential element of the data path at each VLBA station.  Its primary functions are to merge the packet streams from each of the two RDBE units into a single stream that is sent to the Mark 5C recorder, and to regulate the timing of these packets so as not to overflow the Mark 5C's input buffer.

Other switching and real-time data analysis functions may be added as part of future developments.  A phase-cal detection capability is currently under test.