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Intranet and Internet

 
 
Raymond
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      07-13-2004
What is an intranet? How is it different from the internet?


 
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Geoff
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      07-13-2004
Raymond wrote:
> What is an intranet? How is it different from the internet?


there is these things called search engines
learn to use them

(i'm sorry but this sort of mindless question asking is stupid, it really is
mindless)


 
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John Loop
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      07-13-2004



"Raymond" <> wrote in message
news:AdadnRN2c42g-m7dRVn-...
> What is an intranet? How is it different from the internet?
>
>

An Intranet is usually understood to be a private "Internet," not accessible
from the Real Internet, except thru firewalls.
Most companies have intranets, and many are connected to the Internet thru a
firewall of some sort. The Internet side of the firewall will have a Real
Internet address. PCs on the Intranet typically have Private IP addresses
[10 - 172.16, 192.168, address].
You home network behind the NAT/router is an intranet.
John--
www.pccitizen.com Safe Computing, Home wired and wireless networking tips.
....You spend your whole life figuring out what you should have done with it,
let alone what it was all about. And then your children get to do it all
over again..


 
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Simon Roth
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      07-13-2004
Michael wrote:
> Raymond wrote:
>
>> What is an intranet? How is it different from the internet?
>>
>>

>
> Internets (with a lowercase "i") combine LAN's, WAN's, and so forth.
> Routing is an aspect of internetworking.
>
> Internet with a capital "I" refers to "the" internet that most people
> are familiar with.
>
> I think intranet generally refers to an internal network, but I forget.
>
> michael

I think intranet is a relatively big network in a company. I wouldn't
call a network with five computers a intranet...

Simon
 
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Geoff
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      07-13-2004
Simon Roth wrote:
> Michael wrote:
>> Raymond wrote:
>>
>>> What is an intranet? How is it different from the internet?
>>>
>>>

>>
>> Internets (with a lowercase "i") combine LAN's, WAN's, and so forth.
>> Routing is an aspect of internetworking.
>>
>> Internet with a capital "I" refers to "the" internet that most people
>> are familiar with.
>>
>> I think intranet generally refers to an internal network, but I
>> forget.
>>
>> michael

> I think intranet is a relatively big network in a company. I wouldn't
> call a network with five computers a intranet...
>
> Simon


i would
intranet basicly means internet style network run internaly


 
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AG
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      07-13-2004

"Raymond" <> wrote in message
news:AdadnRN2c42g-m7dRVn-...
> What is an intranet? How is it different from the internet?
>
>

From www.whatis.com


"An intranet is a private network that is contained within an enterprise. It
may consist of many interlinked local area networks and also use leased
lines in the wide area network. Typically, an intranet includes connections
through one or more gateway computers to the outside Internet. The main
purpose of an intranet is to share company information and computing
resources among employees. An intranet can also be used to facilitate
working in groups and for teleconferences.

An intranet uses TCP/IP, HTTP, and other Internet protocols and in general
looks like a private version of the Internet. With tunneling, companies can
send private messages through the public network, using the public network
with special encryption/decryption and other security safeguards to connect
one part of their intranet to another.

Typically, larger enterprises allow users within their intranet to access
the public Internet through firewall servers that have the ability to screen
messages in both directions so that company security is maintained. When
part of an intranet is made accessible to customers, partners, suppliers, or
others outside the company, that part becomes part of an extranet. "


Come on you guys, don't guess. If you don't know find out. If you don't
know where to find out ask.
AG



 
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Tom MacIntyre
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      07-13-2004
On Tue, 13 Jul 2004 12:36:52 +0100, "Geoff" <>
wrote:

>Raymond wrote:
>> What is an intranet? How is it different from the internet?

>
>there is these things called search engines
>learn to use them
>
>(i'm sorry but this sort of mindless question asking is stupid, it really is
>mindless)
>


There is no such thing as a stupid question. At the very least, you
have no idea of the context of why the question was asked rather than
researched, so how could you know it's stupid?

Tom
 
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MF
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      07-13-2004

"Raymond" <> wrote in message
news:AdadnRN2c42g-m7dRVn-...
> What is an intranet? How is it different from the internet?
>

Ah, here's the answer:

The internet is for the most part publicly accessible. It's a bunch of
access points, routers, backbones and more routers that allow computers to
connect with various servers; and in P to P, to each other. The servers
have various things on them, including the World Wide Web, which is a bunch
of websites accessed via the internet; and, also, ftp sites, mail servers,
news servers (housing all this stuff here), and nowadays, collaboration
servers, although these tend to be extranets - Is it all coming clear?

The "what is" definition is wrong. They are simply defining a network. If
the network were big enough, with enough subnets and routers, you might be
justified in calling it an internetwork.

An intranet is a specific thing: a server (or servers) __within a private
network__ that run what have come to be called web services, which include
web site(s), ftp sites, maybe a company bulletin board or callendar -
although as we know all the big email server manufacturers (eg, msft,
ibm-lotus) are fighting hard to establish themselves as providers of
callendars and "bbs's" or collaboration servers.

BTW if you have a mail server handling the company email, this does not
constitute an intranet. It's just one more server on your network, along
with your file server, your print server, your distribution server,
etcetera. But, add a web server accessible only to your employees and you
have an intranet.
So at it's most basic, an intranet is a web server running a private website
within a private network.

I think someone mentioned that an intranet was like a private internet.
That's a pretty crude description but it's basically true. Here's an
example - say I have a little company with three buildings that have between
them 10 to 12 floors, and everything is networked together.

I do not have an intranet. I have a network. If i am taken by the
ridiculous inflation of language that infects the computer industry, I might
call it a CAN = campus area network. Or if the buildings are scattered
around the country, I might call it a WAN.

I do not have an intranet. I hire you to set up an intranet for me - why?
Because an intranet is browser based, and therefore more comfortable for
people - who will therefore use it much more often to find out what's going
on within the company than they will use, oh, say, a Folder called Company
on the K drive of a server called Zeus. Employees very quickly tire of
looking for the folder called Company on the K drive of Zeus - even in MS
environments, where it is easy.

Unfortunately, I catch on that, until now, you didn't know what an intranet
was, so I withdraw my offer. Now, for home work, it is your job to figure
out and list what you will have to do to set up that intranet within my
private network.

And BTW, as far as an intranet is concerned, access in from or out to the
public internet is completely irrelevant; I already have that set up - or I
ripped it out completely after my sales staff downloaded 400 gigs of games
and music one afternoon.

For an extranet, however, access from outside is usually required, and has
to be set up carefully.

hth

Mike


 
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J
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      07-19-2004
he didn't mean it was stupid, rather, he was giving the old RTFM.....
"Tom MacIntyre" <> wrote in message
news:...
> On Tue, 13 Jul 2004 12:36:52 +0100, "Geoff" <>
> wrote:
>
> >Raymond wrote:
> >> What is an intranet? How is it different from the internet?

> >
> >there is these things called search engines
> >learn to use them
> >
> >(i'm sorry but this sort of mindless question asking is stupid, it really

is
> >mindless)
> >

>
> There is no such thing as a stupid question. At the very least, you
> have no idea of the context of why the question was asked rather than
> researched, so how could you know it's stupid?
>
> Tom



 
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Tom MacIntyre
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      07-19-2004
On Mon, 19 Jul 2004 02:34:21 -0600, "J" <>
wrote:

>he didn't mean it was stupid, rather, he was giving the old RTFM.....
>"Tom MacIntyre" <> wrote in message
>news:.. .
>> On Tue, 13 Jul 2004 12:36:52 +0100, "Geoff" <>
>> wrote:
>>
>> >Raymond wrote:
>> >> What is an intranet? How is it different from the internet?
>> >
>> >there is these things called search engines
>> >learn to use them
>> >
>> >(i'm sorry but this sort of mindless question asking is stupid, it really

>is
>> >mindless)
>> >

>>
>> There is no such thing as a stupid question. At the very least, you
>> have no idea of the context of why the question was asked rather than
>> researched, so how could you know it's stupid?
>>
>> Tom

>


a - I'd like to know how you can state that as a fact
b - The word stupid is clearly used in his reply
c - There's no "rather" involved here, he basically appears to have
done both. Mutual exclusivity is more rare than some people think.

Tom
 
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