While working on one ASP.NET project hosted within web farm including two front ends and load balancing, we got one issue regarding ASP.NET session state while being set to be \
Although I never used it, I found out that the articles of Omar Al Zabir over at CodeProject.com seem to be rather helpful.
His article "99.99% available ASP.NET and SQL Server SaaS Production Architecture" covers some load balancing topics.