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  1. #1
    mark c
    Guest

    Default http and www. What's the dif?

    I had a look in the Search here for some info on this and found some but still a bit confused. Sometimes an url has www, sometimes it doesn't, like this forum.

    Is this just because this in implicit? Some pal said he thinks http addresses are the internet and www are sites on the Web. I don't think so because the Web uses http.

    Can someone clarify?

    Thanks.

  2. #2
    Megaman
    Guest

    Default Re: http and www. What's the dif?

    pressf1.pcworld.co.nz is a subdomain. xxx.domain.co.nz is a domain as well. if there isn't a subdomain, you can use www (but most things will function without)

  3. #3
    mark c
    Guest

    Default Re: http and www. What's the dif?

    Hmmm. Well thanks. So it's a matter of domain names and subdomains. OK

  4. #4
    robsonde
    Guest

    Default Re: http and www. What's the dif?

    when the internet was born in the 70s............


    there was no WEB.

    every thing was email and news groups.

    email is sent with a system called SMTP and POP.
    news is sent with a system called NNTP.

    all of this travels over the internet.

    cool?

    ok so in the early 90s the web was invented, the WEB is everything that most people see in todays world. anything in a browser is WEB.
    WEB traffic travels with a system called HTTP.

    wen the web started out you just typed in the domain of the place you wanted to go.
    eg http://ihug.co.nz

    over time it was a nice thing to split up your domain and have a computer handel each part of the internet.
    so you get www.ihug.co.nz which run web traffic
    pop.ihug.co.nz which is the one side of the email system
    smtp.ihug.co.nz which is the other side of the mail system.

    now they could call the web server web.ihug.co.nz and it would work but it is some what of a standard to call your web server www.your domain.com

    so.............


    www is the type of traffic and http is how it travels. and the infrastructure that gets the data around the world is the internet.


  5. #5
    mark c
    Guest

    Default Re: http and www. What's the dif?

    Thanks you very much robsonde. I've even printed it out for my pal.

    Cheers

  6. #6
    Graham L
    Guest

    Default Re: http and www. What's the dif?

    The common hostname "www" is a hint to people that this host is a www web site. It's not compulsory. It's just a hostname. You could have a web site on a host called "this_is_not_a_website.noddy.my.domain.org" and people could http://this_is_ ...[etc] . Names don't matter. Protocols do.

    The "http:" in a URL is a directive to the system telling it what PROTOCOL is to be used when accessing the site. If you give it "ftp:" that indicates the FTP protociol is to be used. There are a number of others ...


    You can telnet to a web site.

  7. #7
    mark c
    Guest

    Default Re: http and www. What's the dif?

    OK thanks Graham L, still bit of a puzzle because I use Yahoo for my email right, and that's "www" (therefore http) not SMPT or POP. OK so that happens automatically below what I see displayed.

    I kinda thought when i posted this question that it might be a bit like asking "what's the difference between an orange and flying a helicopter?"




  8. #8
    theother1
    Guest

    Default Re: http and www. What's the dif?

    but, when you view your emails on yahoo you are viewing them on the yahoo server!!!! You are not downloading them to your own computer so therefore, no POP.
    Someone is bound to correct me if I am wrong.

  9. #9
    mark c
    Guest

    Default Re: http and www. What's the dif?

    Sure theother1 but when I have downloaded emails to store them on my comp there's no mention of changing protocols. Maybe it just does it all for us. Eh? Like we go from the net to web and back and never notice. Still is bit of a puzzle tho.

  10. #10
    godfather
    Guest

    Default Re: http and www. What's the dif?

    Because you never changed protocols.

    Yahoo / Hotmail / Gmail webmail is http, its just web server traffic. Its not "email" in the traditional sense.

    It never is or becomes POP server traffic.

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