[BP] Data Presented in Goergen_02_0904

[Joel Goergen <joel@xxxxxxxxxxxxxxxxxxx>]

Title:

Fellow collegues,

During the back plane meeting this week in Ottawa, it was pointed out on several occasions by one colleague that the channels submitted for review and simulation as reported in goergen_02_0709 and goergen_02_0904 are not real channels and therefore, should not be used by the working group in any capacity.  I've studied this concern at length and defend my work in whole as follows.

1) The intent of a connector-less test card was agreed to in part by the members of the channel ad-hoc.  It's creation, though not a new concept at all, was to prevent a common set of test cards from becoming connector evaluation boards by the industry.  My understanding of the ATCA platform is that this MSA has agreed to 'ONE' connector.  Therefore, evaluating comparative back planes in an ATCA environment is easy.  It does not address the diverse nature of the telecom segment, which is the primary intent of the connector-less cards.

2) I've examined all the channel data presented to the public, as well as that submitted to me in private.  All of the public data submitted to IEEE as presentations, and all of the private data sent to me directly correlates to the data from the connector-less back plane cards.  Do the comparison yourself ... Look at every channel and compare it to all the data submitted and you will see the same likeness.  The data speaks for itself.  All the effects form various degrees of inferior channel design are included, certainly not excluding any of those seen in Peters_01_0904.

Therefore, if my data is not valid to consider, then what data 'IS' valid for consideration?  It's clearly acceptable to simulate a channel and then measure the likeness to real before continuing with the remaining simulations/approximations.  These test back planes correlate perfectly and I stand by the design, implementation, and data collected.  If the majority body feels the data is not valid, I am perfectly fine with recalling the data and the cards.  It's cheaper for me.

Joel Goergen