Content Delivery NetworksRod,
I run a small CDN oriented to audio/video distribution in Central Europe
region. You mentioned challenges that CDN are facing. There are several of
these:
1) Geographic load distribution
- in example, you have to have enough capacity in each distribution area that
Seems to be a large-scale outage going on at Virgin Media ex-NTL, AS5089 in
the UK. Lost service about 1600GMT yesterday to a wide range of locations
throughout the country. Recorded phone message now saying several post code
areas in SW London suburbs still dark, but status page shows
On Aug 7, 2007, at 3:59 AM, Michal Krsek wrote:
5) User redirection
- You have to implement a scalable mechanisms that redirects users
to the closes POP. You can use application redirect (fast, but not
so much scalable), DNS redirect (scalable, but not so fast) or
anycasting (this needs
Hi Patrick,
5) User redirection
- You have to implement a scalable mechanisms that redirects users to
the closes POP. You can use application redirect (fast, but not so much
scalable), DNS redirect (scalable, but not so fast) or anycasting (this
needs cooperation with ISP).
What is
On Aug 7, 2007, at 10:05 AM, Michal Krsek wrote:
5) User redirection
- You have to implement a scalable mechanisms that redirects
users to the closes POP. You can use application redirect (fast,
but not so much scalable), DNS redirect (scalable, but not so
fast) or anycasting (this
All things being equal (which they're usually not) you could use the ACK
response time of the TCP handshake if they've got TCP DNS resolution
available. Though again most don't for security reasons...
Then most are incredibly stupid.
Several anti DoS utilities force unknown hosts to initiate
Hi Donald,
I'm not prepared to call it stupid, but you're right it can cause issues.
-J
Sent via BlackBerry
- Original Message -
From: Donald Stahl [EMAIL PROTECTED]
To: Jason J. W. Williams
Cc: [EMAIL PROTECTED] [EMAIL PROTECTED]; John Levine [EMAIL PROTECTED];
5) User redirection
- You have to implement a scalable mechanisms that redirects users to
the closes POP. You can use application redirect (fast, but not so
much scalable), DNS redirect (scalable, but not so fast) or
anycasting (this needs cooperation with ISP).
What is slow about
From: Joe Abley [EMAIL PROTECTED]
Date: Tue, 7 Aug 2007 15:19:30 -0400
Sender: [EMAIL PROTECTED]
On 7-Aug-2007, at 14:38, Patrick W. Gilmore wrote:
On Aug 7, 2007, at 2:14 PM, Donald Stahl wrote:
All things being equal (which they're usually not) you could use
the ACK
Let me start with: I pretty much have no clue. but it is ok, because I don't
get to spend any money.
But I do get to help figure out how to get internet bandwidth to a hotel near
Chicago (Crown in Rosemont) for a week in March 08 and figured maybe someone
here can help.
There are 2
On Tue, August 7, 2007 6:48 pm, Carl Karsten wrote:
1. bandwidth for PyCon, and no one else. This is the easiest, but most
costly.
(20k ish total)
That seems awfully high for a short-term hookup, though from the rest of
the email I'm guessing you're mainly looking at wireline hookups.
In Chicago, the folks at CW Lab (www.cwlab.com) may be able to get you
started. They're more of a consulting firm now, from the looks of
their
Web site, but they've done things like this before, and they're local
to
Chicago; if they can't help they probably know someone who can.
Isn't
If you are looking for wireless in Chicago I would suggest Business Only
Broadband. I don't have any direct experience with them, but others have
had good things to say. Regardless, I agree with David; wireless is
ideal for short-term bandwidth needs.
-Matt
David E. Smith wrote:
On Tue,
Did you check with hotel whether they have available fiber or coax from
local CO ?
In that case, installation cost may be reduced since it is matter of
cross-connection with local ISP.
Hotel may have special arrangement with local ISP just in case of
conference or something like that.
Hyun
Wireless connection may be depends on clear sight between their presence
and the hotel.
Or contact local cable modem provider for short term arrangement if they
have coverage for the hotel using existing coax cable. ^.^
Hyun
Matt Liotta wrote:
If you are looking for wireless in Chicago I
On Aug 7, 2007, at 4:33 PM, Donald Stahl wrote:
[...]
If you don't like the rules- then change the damned protocol. Stop
just doing whatever you want and then complaining when other people
disagree with you.
I think this last part is the key.
Remember the old adage: My network, My
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