[OpenAFS] Performance over SMB

[Jacob Gorm Hansen]

Hi,

we have about 60 win2k clients, currently all heavily relying on a quad-xeon Win2k
server for sharing of large files. We also have a few linux servers and clients,
which is the direction I like us to keep going in.

We are considering moving to OpenAFS, due to the client side caching, and better
possibilities of creating failover systems.

I have a few questions:

0) How does performance compare with standard windows file sharing?

1) How much slower is accessing locally cached files, than accessing the local 
file system, on Win2k?

2) I keeping one or more standby replicas (which might be accessed RO) up to 
date possibly, and relatively easy?

3) Has anyone had success authenticating towards a Win2k KDC (active directory),
automatically at logon?

4) Is AFS considered secure (code quality, krb4 security issues) enough that
you might allow access from outside the corporate firewall?

Thanks in advance,
Jacob