RE: [kNT] akamai

[Emanuele Parravicini <parravic@xxxxxxxxxx>]

Ok Nick,

you put some order in my mind but I still have some questions...

>The root servers take the IP address of the
>person that is trying to get to the content.

1) How can the root servers know the client's IP address? I thought that
they knew the client's DNS server address (I read on an IETF draft that one
limit of the DNS RRS is the lack of knowledgement of the client position...)

2) When I type on my browser "www.about.com", where do I get the static
page, from the origin server or from a surrogate (after the resolution
process, obviously)?

3) Why when I look the html code in www.about.com I see the same reference:
"http://a1028.g.akamai.net/6/.../lego_wht.gif";?
Is it a coincidence that we are served from the same server-farm or is this
a "static" html code, identical for all people worldwide at a some instant?

>n0g.akamai.net.         30M IN A        62.41.114.7
>n1g.akamai.net.         45M IN A        62.41.114.8
>n6g.akamai.net.         30M IN A        198.31.3.20
>n2g.akamai.net.         1H IN A         62.41.114.10
>...

4) What do 30M, 45M, 1H mean?

Sorry for my "question-bombing" I thank you again...

Emanuele