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Re: XML.COM: How I Learned to Love daBomb
- From: David Brownell <email@example.com>
- To: John Cowan <firstname.lastname@example.org>,Michael Brennan <Michael_Brennan@allegis.com>
- Date: Mon, 20 Aug 2001 15:25:56 -0700
> > I'll confess to being unfamiliar with ONC-RPC, but if it is only available
> > on UNIX, that doesn't quite cut it.
> It is the underlying serialization (XDR) and remote procedure protocol
> (ONC RPC) for the widespread NFS remote file system protocol, and is
> documented in RFCs 1014 (XDR) and 1057 (RPC).
And was available on PCs (and ISTR Macs too) at the time
those two RFCs were published ...
> > Also, if it is unable to handle
> > serializing complex graphs of data in a manner that is portable across
> > platforms, that also doesn't quite cut it.
> COmplex graphs, no. XDR serializes the usual primitive types, strings,
> fixed- and variable-sized octet sequences, fixed- and variable-length
> homogeneous arrays, structures, and discriminated unions. So it can
> pretty much encode trees, but not arbitrary dags.
Encoding DAGs is an "exercise for the reader", as they
say. I've seen it done in dozens of ONC-RPC applications.
Turns out not to be very necessary, though.