[FRIAM] IT is Not Sustainable

Thu Dec 26 11:08:34 EST 2019

"CenturyLink (NYSE: CTL) has set a goal to reduce power consumption on its
public switched telephone network by nearly 22,000 megawatt-hours a year,
reducing greenhouse gas emissions as more customers migrate to VoIP and
mobile voice services.

Although CenturyLink is growing its IP-based voice service, this project is
focused on consolidating more than 400,000 legacy PSTN subscriber lines
across 50 Class 5 voice switches. "

They're called class 5 because of 5ESS which is the most used class 5
switch at CenturyLink.

Sorry, but I had to clarify this.

Frsnk
-----------------------------------
Frank Wimberly

My memoir:
https://www.amazon.com/author/frankwimberly

My scientific publications:
https://www.researchgate.net/profile/Frank_Wimberly2

Phone (505) 670-9918

On Thu, Dec 26, 2019, 8:43 AM Frank Wimberly <wimberly3 at gmail.com> wrote:

>
> June 2019) (Learn how and when to remove this template message). 5ESS used
> in a mobile telephone network. The 5ESS Switching System is a Class 5
> telephone electronic switching system developed by ...
> -----------------------------------
> Frank Wimberly
>
> My memoir:
> https://www.amazon.com/author/frankwimberly
>
> My scientific publications:
> https://www.researchgate.net/profile/Frank_Wimberly2
>
> Phone (505) 670-9918
>
> On Thu, Dec 26, 2019, 8:36 AM Marcus Daniels <marcus at snoutfarm.com> wrote:
>
>> Frank writes:
>>
>>
>>
>> “This was the telephone network in question.“
>>
>>
>>
>> With the mobile carriers and VOIP, I wonder how much of that code is
>> still used?  I once worked for a small company that wrote software to do
>> billing for long distance telephone carriers.  I was amazed by the
>> seemingly arbitrary complexity.   Complex at a policy and
>> inter-organizational level, not just the software.
>>
>>
>>
>> Marcus
>>
>>
>>
>> *From: *Friam <friam-bounces at redfish.com> on behalf of Frank Wimberly <
>> wimberly3 at gmail.com>
>> *Reply-To: *The Friday Morning Applied Complexity Coffee Group <
>> friam at redfish.com>
>> *Date: *Thursday, December 26, 2019 at 5:39 AM
>> *To: *The Friday Morning Applied Complexity Coffee Group <
>> friam at redfish.com>
>> *Subject: *Re: [FRIAM] IT is Not Sustainable
>>
>>
>>
>> At Bell Labs we sure didn't pay anyone by LOC.  We also had code reviews
>> and software tools to enforce standards and very high pay.  With a brand
>> new PhD I made more than all but the 3 most senior members of the CS
>> faculty at Pitt where I was a grad student.  This was the telephone network
>> in question.
>>
>>
>>
>> Despite the high pay I disliked software administration methodology.  The
>> disagreements between the software tool developers (version control,
>> integration of subsystems, compilers, etc) and the implementors of the
>> applications, such as call processing, were epic.  Recall that Bell Labs
>> invented C and Unix.  After 18 months I returned to Pittsburgh to work at
>> Carnegie Mellon in Robotics for two thirds the salary.
>>
>>
>>
>> Number 5 ESS was first deployed in March 1982, 4 years after work began.
>> I suspect that it didn't have 200 million lines of code then, but close to
>> it.  Maybe Dave doesn't consider it an IT project but many of the software
>> tools that were developed were included in later Unix releases, I believe.
>>
>>
>>
>> It's going to be a beautiful day in Santa Fe.
>>
>>
>>
>> Frank
>>
>>
>>
>>
>>
>> -----------------------------------
>> Frank Wimberly
>>
>> My memoir:
>> https://www.amazon.com/author/frankwimberly
>>
>> My scientific publications:
>> https://www.researchgate.net/profile/Frank_Wimberly2
>>
>> Phone (505) 670-9918
>>
>>
>>
>> On Thu, Dec 26, 2019, 1:28 AM Gary Schiltz <gary at naturesvisualarts.com>
>> wrote:
>>
>> Spot on.
>>
>>
>>
>> On Thu, Dec 26, 2019 at 2:29 AM Marcus Daniels <marcus at snoutfarm.com>
>> wrote:
>>
>> Most programmers won't struggle to rationalize or improve code written by
>> other people.    The problem is that people are selfish.  They think that
>> their 10K LOC problem is beautiful and nimble, but that 1M LOC was once
>> that too.    It's the behavior of teenagers.
>>
>> On 12/25/19, 10:47 PM, "Friam on behalf of Russell Standish" <
>> friam-bounces at redfish.com on behalf of lists at hpcoders.com.au> wrote:
>>
>>     It's all about the LOC! Actually, I kind of agree - having worked on
>>     some MegaLOC codebases that functionally seemed to be no more complex
>>     than a 10KLOC project I'm involved in, the 10KLOC project is much more
>>     nimble - compile times are far less, making changes to the code easier
>>     and bugs less troublesome to winkle out.
>>
>>     I've also refactored or rewritten pieces of code to slash the LOC by a
>>     factor of 3 or more for that particular section (eg 3KLOC -> 1KLOC) -
>>     but usually when bugs and problems kept on cropping up in that
>>     section.
>>
>>     Even though the LOC is an entirely bogus measurement - if you paid a
>>     programmer by LOC, you'd get boilerplate and crappy comments.
>>
>>     --
>>
>>
>> ----------------------------------------------------------------------------
>>     Dr Russell Standish                    Phone 0425 253119 (mobile)
>>     Principal, High Performance Coders
>>     Visiting Senior Research Fellow        hpcoder at hpcoders.com.au
>>     Economics, Kingston University         http://www.hpcoders.com.au
>>
>> ----------------------------------------------------------------------------
>>
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