Knowledge Base

Title Authors Last Update Category
IOL_PTP_Wireshark_color_filters.txt Jeff Laird

Contains ten Wireshark color filters for the ten PTP message types

May 10, 2012 Tutorials
live TAI - UTC comparison

A live clock shows the difference between UTC and TAI, which changes from 34 seconds to 35 seconds during the leap second on 2012-Jun-30. PTP time is the same as TAI.

May 9, 2012 External Links
Seconds per... Jeff Laird

A spreadsheet to help one develop a sense of time scales

May 9, 2012 White Papers
Overview of UNH EXS for Programmers Robert Russell, Patrick MacArthur

The Extended Sockets API (ES-API) is a specification published by the Open Group that defines extensions to the traditional socket API in order to provide asynchronous I/O and also memory registration for Remote Direct Memory Access (RDMA). These two major new features enable programmers to take advantage of today's multi-core processors and RDMA network hardware, such as InfiniBand, iWARP and RoCE interfaces, in a convenient yet efficient manner.

April 15, 2012 Tutorials
1000BASE-X Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) Jon Frain

A brief tutorial describing the 1000BASE-X PCS and PMA sublayers that are defined in Clause 36 of the IEEE 802.3 Standard.

April 13, 2012 Tutorials
Wireshark Color Filters Tutorial Jeff Laird

Explains the use of PTP color filters in Wireshark. Goes with the file: (IOL_PTP_Wireshark_color_filters.txt)

March 10, 2012 Tutorials
Basics of DSL Bonded Physical Layer Testing Lincoln Lavoie (UNH-IOL)

An overview to DSL Bonded Physical Layer Testing.

February 24, 2012 Tutorials
DSL Physical Layer Testing Lincoln Lavoie (UNH-IOL)

An overview to DSL Physical Layer Testing.

February 24, 2012 Tutorials
UNH-IOL CE Router November 2011 Whitepaper UNH-IOL

The University of New Hampshire InterOperability Laboratory (UNH-IOL) hosted its third IPv6 Customer Edge (CE) Router Interoperability Test Event the week of November 7-11, 2011.

December 13, 2011 White Papers
UNH-IOL CE Router March 2011 Whitepaper UNH-IOL

The University of New Hampshire InterOperability Laboratory (UNH-IOL) recently hosted an interoperability test event focusing on Customer Edge (CE) router IPv6 device capability. The testing documented during this event took place during the week of February 14th through 18th 2011.

March 17, 2011 White Papers