Solved

Geographically Distributed Web Farm

Posted on 2009-07-09
2
469 Views
Last Modified: 2012-05-07
I'm trying to find a way to create a geographically distributed web farm but I need to maintain the authoritative DNS server on a windows based DNS server. I'm looking for a some sort of software or hardware option that will take two geographically separate web servers and allow them to share a single public IP address. This would need to be transparent to the end user in every way. They will only see the single public IP and never the IPs of the actual web servers.

The reason I need to allow two or more servers to share a single IP is that the customer portal that we use, needs to handle the DNS, and as you know, DNS cannot point to two addresses. So in order to allow DNS to allow access to either server at any one time, I will need a single public IP for both. I not have the option for have the same ISP at both server locations. If anyone has any clue on how I can accomplish this, I would greatly appreciate it.
0
Comment
Question by:one2onelanc
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
2 Comments
 
LVL 28

Expert Comment

by:Jan Springer
ID: 24818234
What you are referring to is "anycasting".  Take a /24 and announce it via BGP from two separate locations (and ASNs).   When the server at site A becomes unavailable, withdraw the route (on site A's router) which will result in all traffic forwarding to site B.  

If the machine is up but the webserver is down,  you will need a script that detects this and updates your router configuration for the route withdrawal for you.
0
 

Accepted Solution

by:
one2onelanc earned 0 total points
ID: 25045007
Thanks for the tip, management has decided to go with a Barracuda Load Balencer, which will soon include global load balancing and failover.
0

Featured Post

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This is a guide to setting up a new WHM/cPanel Server to be used for web hosting accounts. It is intended for web hosting company administrators and dedicated server owners. For under $99 per month (considering normal rate of Big Data Cetnters like …
Lease-to-own eliminates the expenditure of hardware replacement and allows you to pay off the server over time. Usually, this is much cheaper than leasing servers. Think of lease-to-own as credit without interest.
Finds all prime numbers in a range requested and places them in a public primes() array. I've demostrated a template size of 30 (2 * 3 * 5) but larger templates can be built such 210  (2 * 3 * 5 * 7) or 2310  (2 * 3 * 5 * 7 * 11). The larger templa…

738 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question