[Labeled-nfs] Interface for DOI mapping

[Casey Schaufler]

--- Paul Moore <paul.moore at hp.com> wrote:

> On Tuesday 04 December 2007 12:10:15 pm Casey Schaufler wrote:
> > which brings up the question of who does the translation.
> > I suggest that the receiver always do the mapping and that the
> > sender always speaks it's native DOI.
> 
> You've got more experience in this area than I do, but I would think that 
> offering translations about on the sender and receiver would be necessary to 
> handle both new hosts (systems that support multiple DOIs through 
> translation) as well as legacy hosts (systems that only support a single 
> DOI).  In the case of a receiver that supports DOI translation, I agree, it 
> probably is best for the sender to send data using it's default/native DOI 
> and let the receiver translate as necessary.  However, if the receiver does 
> not understand multiple DOIs it will be necessary for the sender to ensure 
> that data sent to the receiver it sent with the receiver's DOI; requiring the
> 
> use of sender side DOI translation in certain cases.
> 
> In either case, I think a properly designed and configured system would only 
> want to perform the translation once.  Although there shouldn't be anything 
> preventing someone for configuring the translation to happen on both ends if 
> that is what they really want.

Yeah, you're probably right with regard to systems that can't do
translation. What I think is important is that the translation be
a simple lookup rather than an attempt to interpret the attribute
data and reinterpret it for the other DOI.


Casey Schaufler
casey at schaufler-ca.com