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IIS Load Balancing

I have a need to have two virtual directories that point to two other app servers for the same application.  I want to be able to load balance between the two virtual directories (can be as simple as round robin).  I am using Microsoft Server 2003 and IIS 6.0.  Is this possible without an external piece of software or hardware like a content router?
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whynot
Asked:
whynot
2 Solutions
 
tkfastCommented:
Just make two records in the DNS for both system it will round robin dns

Explained
http://en.wikipedia.org/wiki/Round_robin_DNS

Example Config
http://www.zytrax.com/books/dns/ch9/rr.html
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whynotAuthor Commented:
Let me review...are there any other possibilities other than DNS?  BTW, thanks for the post 'tkfast.'
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tkfastCommented:
You can install a load balancing device but now your incurring cost, the drawback to dns is when you have a server down you can remove it but the problem is the time it takes for the dns to change is considered downtime.  The following option overcomes this problem.

Very nice software can run on a linux box works great they have a free and pay version but it is very inexpensive and can tell if one of the servers is down and automatically reroute traffic.  It can also hold session data so it can follow sessions.
http://www.inlab.de/balanceng/

Book about load balancing its a good book
http://www.oreilly.com/catalog/serverload/toc.html

More options for Load Balancing
http://en.wikipedia.org/wiki/Load_balancing_(computing)

Nortel they purchased Alteon which where very nice devices they were starting at 20,000 last time I purchased one..
http://www2.nortel.com/go/product_content.jsp?segId=0&catId=0&parId=0&prod_id=37160&locale=en-US
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oBdACommented:
You can use Microsoft Network Load Balancing (included in W2k3 Web/Standard/Enterprise).

Network Load Balancing: Frequently Asked Questions for Windows 2000 and Windows Server 2003
http://technet2.microsoft.com/windowsserver/en/library/884c727d-6083-4265-ac1d-b5e66b68281a1033.mspx?mfr=true

Network Load Balancing Clusters
http://technet2.microsoft.com/windowsserver/en/library/98d46a24-96d8-412c-87d8-28ace62323d21033.mspx?mfr=true

Configuring Network Load Balancing
http://support.microsoft.com/?kbid=240997

Network Load Balancing Technical Overview
http://technet.microsoft.com/en-us/library/Bb742455.aspx

Using Clustering for a Highly Available Web Site: An Example
Web version: http://technet2.microsoft.com/windowsserver/en/library/1d737be7-7f83-471f-8601-e756195864ec1033.mspx?mfr=true
Word document: http://www.microsoft.com/downloads/details.aspx?FamilyID=37788c0d-916c-4ac7-9bb9-6a4f6862ec17&displaylang=en
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Computer101Commented:
Forced accept.

Computer101
EE Admin
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