Why is Set Theory so important in Computer Networking?

By Julius Juliono ·
Hi everyone,

I am in my first year of computer networking. I am learing about set theory and wanted to know- what is the connection between computer networking and set theory?

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It's a bit like Old Mycroft's Theory ...

by OldER Mycroft In reply to Why is Set Theory so impo ...

Y'see the books sitting in the library that have Computer Networking in their titles?

All those books operate on the principle that the pages, including the cover, OPEN from right to left. On most of those pages there are little blobs of ink, called alphabetic and numerical characters. You scan over these characters with your eyes and the meaning of the words (hopefully) registers in your brain, lodging in your memory. By the time you turn the last page, closing the book, you are supposed to have 'learned' the book's content.

Some time (many, many, years) later you decide to give something back for all the learning that you've had the privilege to have been given the chance to experience and you're sitting one morning on a professional forum site, much like TechRepublic, and some little scrote asks a question that is a blatantly, in-yer-face shortcut - wanting to know the answer but without being bothered by having to read the books that you yourself read all those years before.

Feeling sorry for this pitiful example of generation-gimme, you pad out your answer in much the same way as I am doing right now, when all you really want to type in answer is:



You might try pulling up a Google page, then typing:
set theory, computer networking

Have a nice life - if you can be bothered to live it. :)

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Gee, Mycroft

by Dr Dij In reply to It's a bit like Old Mycro ...

I guess we need a new acronym, RTFB? (to complement RTFM?) :)

Why learn any theory at all? After all it is just theory, and if you're just crimping cables and shoving in boxes and swapping cards and... After all the Cisco (or Juniper or..) guys are the ones who need the theory?

So then you would be relegated to crimping network cables..

And why learn History, after all it has NOTHING to do with networking, right?

Like the telephone tech I knew who once asked me "wouldn't it be simpler if there was JUST ONE PHONE / NETWORK company?" This of course almost caused my drink to exit thru my nose, as we all (I hope) know how well loved Ma Bell was, with their 300 baud modems that only they could sell till the CarterPhone lawsuit of 1972.

This same telephone / network tech hadn't bothered with the 'theory' of which 10bT pairs to crimp. He had the xmt, recv but not the pair linked to common mode noise. So a cable he made wouldn't work on a Sun server. I gave him a pre-made cable which worked to show that he was wrong, still didn't believe it.

"Have a nice life - watch it on TV" :)

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Well, if I had launched into 'Adaptive and Incremental Processing' ...

by OldER Mycroft In reply to Gee, Mycroft

Or 'Fuzzy Sets Perspective', or 'Imprecise Distribution Functions' ~ I'd have drowned in information that I've spent the last 15 years trying to FORGET !!

I'm doing pretty well though - I only occasionally wake up in a cold sweat now.

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There is a shorter way in telling

by rob mekel In reply to Gee, Mycroft

the guy to "bugger off" :0

Oops, I just did.

Alltho the long way is nicer ... gives us something to read on the friday-morning. :)

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Blame it in Coffee Direct !! ...

by OldER Mycroft In reply to There is a shorter way in ...

I'd just ground up some beans called 'Buckaroo' (received in yesterday's post) and the first infusion has my fingers all-a-jumping.

Haven't felt like this since the first time I.... Ahem, that's a different forum! :^0

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Cross referencing on Coffee

by rob mekel In reply to Blame it in Coffee Direct ...

It's hard to keep the different forums separated on an early friday morning before coffee ... mmm ... maybe even after coffee it still is different

Any good beans? those Buckaroo's. If your fingers are all-a-jump it must mean something is itching you ... ah-well maybe that's a different story :0 ... more for a friday-yuk forum/discussion

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Get Off Yourself

by Julius Juliono In reply to It's a bit like Old Mycro ...

First, it was just a simple question. If you didn't want to answer it you didn't have to. Get your head out of of *** and get off yourself.

I thought this form would help me understand a little better, but then you have pricks like you that are completely asinine and have to be jerks.

I don't have a test,quiz or anything like that on this topic but I was asked why it was so important and I have tried to find the answer and wasn't giving anything but assumptions, so I wanted to get something more discrete. The book I have to read is a math book and only tells you how to do the math, but doesn't explain the need for it in my career or study. Then my math teacher asked me our class why is it so important in our field of study and I didn't know. My math class is made up of many different studies and half the class didn't know why they were taking this math class.

If you think I trying to get a easy way out- then your a dirt bag and foolish for assuming when you have no clue who I am or know anything about me, but assumptions make an *** out of you not me, so you can deal with that on your own.

Get off yourself every ones not as perfect as you, some of us need help on somethings. The way some one says something that differs from the way they were taught can be all the difference in how they perceive it and help them to understand a little better, but of course in your world that probably means nothing because your head is stuck up your *** and all your can see is the bull **** that comes out of it.

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I take it you didn't like my answer :^0 ...

by OldER Mycroft In reply to Get Off Yourself

Fair enough ~ I didn't offer it in order to please you!

I offered it because you were blatantly attempting to get someone else to do the thinking for you. Personally I couldn't give a schmidt whether you're stuck in a Maths class that you cannot understand you are attending, whether you've ONLY got the one Maths book, whether you don't have any Computer networking books (or experience) - I really couldn't give a monkey's nostril lining for any of your hellish existence upon the face of this planet.

What I AM concerned about, is that you are attending a course of study that will ultimately render you qualified in some shape or form, thereby releasing you upon an unsuspecting world, a world that will assume that you are capable of thinking for yourself.

That is a skill you have yet to refine.

What your Maths teacher asked you (and your fellow compatriots in the Maths class) was an opportunity for you to exercise the muscle that you have within your skull, the area of cogent thought that should be able to consider what you learn in the Maths class and then apply it to another area of life - in this case, Computer Networking.

I seem to remember that it's called...

Lateral Thinking:- A heuristic for solving problems; you try to look at the problem from many angles instead of tackling it head-on.

For your further edumuficayshunn!:

#1 Set theory is the branch of mathematics that studies sets, which are collections of objects. Although any type of object can be collected into a set, set theory is applied most often to objects that are relevant to mathematics.

#2 "..set theory is researched and applied in computer network fault diagnosis.."



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Set theory.... The History.....

by Peconet Tietokoneet In reply to Why is Set Theory so impo ...

Set theory is the branch of mathematics that studies sets, which are collections of objects. Although any type of object can be collected into a set, set theory is applied most often to objects that are relevant to mathematics.

The modern study of set theory was initiated by Cantor and Dedekind in the 1870s. After the discovery of paradoxes in informal set theory, numerous axiom systems were proposed in the early twentieth century, of which the Zermelo?Fraenkel axioms, with the axiom of choice, are the most well known.

Set theory, formalized using first-order logic, is the most common foundational system for mathematics. The language of set theory is used in the definitions of nearly all mathematical objects, such as functions, and concepts of set theory are integrated throughout the mathematics curriculum. Elementary facts about sets and set membership can be introduced in primary school, along with Venn diagrams, to study collections of commonplace physical objects. Elementary operations such as set union and intersection can be studied in this context. More advanced concepts such as cardinality are a standard part of the undergraduate mathematics curriculum.

Beyond its use as a foundational system, set theory is a branch of mathematics in its own right, with an active research community. Contemporary research into set theory includes a diverse collection of topics, ranging from the structure of the real number line to the study of the consistency of large cardinals.

More here:

Hope you are doing well in your class.
Remember you are at school for yourself and no one else, so get on studying and do a good job.

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Mainly for data management

Set theory is a useful tool for information correlation and can eliminate redundant solution to uncertain data management.

It's somewhat esoteric, but set theory is also used in computer network fault diagnosis to turn network fault data into meaningful information.

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