[OpenAFS] AFS <-> DFS

[Douglas E. Engert]

Joerg Sommer wrote:
> 
> Hi anybody,
> 
> what a the diffences between AFS und DFS. And DFS is implemented in W2k.

"DFS" is the Distributed File System which is part of DCE. It was based 
on AFS code, and was written by Transarc. It uses Kerberos V5 as part 
of the DCE, has separate keys for each file server and could have ACLs on 
every file. The AFS kaserver and ptserver where replaced with the DCE 
security server which used Kerberos V5.  It could even support partial 
file locking It is rooted in /.../cellname on each machine rather then 
in /afs/cellname.  You could also export local file systems in to the DFS 
space, sort of like doing an NFS mount into AFS! 
There was even an AFS to DFS translator to help in a migration effort. 
An Transarc AFS cache manager could access the translator. In this case the AFS
token actually contained a K5 ticket, rather then a K4 ticket. 

But DCE is so complicated, that for many sites the extra benefits 
where not worth a conversion from AFS to DFS.
      
The W2K "dfs" is completely different except for the name! 

> Is it possible to access an openAFS server with a this implementation?
> 
> Joerg.
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-- 

 Douglas E. Engert  <DEEngert@anl.gov>
 Argonne National Laboratory
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