Benchmarking Load Balancers in the Cloud

nice to read article and white paper by right scale on benchmarking Load Balancers in Cloud 

http://blog.rightscale.com/2010/04/01/benchmarking-load-balancers-in-the-cloud/

Taking database backup on amazon s3

http://www.timlinden.com/blog/server/backup-mysql-amazon-s3/