How to improve the Performance of FtpWebRequest?

Question

I have an application written in .NET 3.5 that uses FTP to upload/download files from a server. The app works fine but there are performance issues:

1. It take

Answer 1

Single Point of advice:

LOWER BUFFER/CHUNK-SIZES SIGNIFICANTLY REDUCE PERFORMANCE

Reason: Many more disk i/o, memory i/o, ftp stream init and many many more factors