> Tom,
>
>
> >Has anyone given any thought to the idea of allowing only changes to the
> >worlds to be transmitted? For example, a user may have a copy of world cached
> >or on CD-ROM, and want to get only the changes since a certain date. Seems
> >like this could decrease traffic quite a bit.
>
> Good idea, however, it sounds like a client or server feature. But you did
> get me thinking about the addition of versioning information to VRML. This
> would give the server or client enough information to do what you have
> proposed without adding specialized machinerey for it.
>
HOWEVER, you will need to decide how many update versions to support, or
you start running out of disk space for the ever increasing number of
version patches, (not to mention, how will you manage all of the old
versions that you need to generate the patch FROM)