.net collection for fast insert/delete

Question

I need to maintain a roster of connected clients that are very shortlived and frequently go up and down. Due to the potential number of clients I need a collection that supports

Answer 1

I was very impressed by the Channel9 interview with Peter Sestoft:

channel9.msdn.com/shows/Going+Deep/Peter-Sestoft-C5-Generic-Collection-Library-for-C-and-CLI/

He is a professor at the Copenhagen IT University who helped to create the The C5 Generic Collection Library:

www.itu.dk/research/c5/

It might be overkill or it might be just the speedy collection you were looking for ...

hth,

-Mike