On 2010-12-02 at 01:03:57, Richard L. Barnes wrote:
> No, I think Brian has it right, except that he says "label" where he
> actually means "namespace + localName". You make a single suboption
> that encodes the (namespace, localName, value triple). Using the TLS
> specification language:
>
> struct {
> uint8 CAtype = PRIVATE_EXTENSION;
> uint8 CAlength;
> opaque ns<>;
> opaque localName<>;
> opaque value<>
> } ExtCAType
>
> So the following XML values:
>
> <A8 xmlns="ns1">value1</A8>
> <A9 xmlns="ns2">value2</A9>
>
> ... would serialize to the following CAtypes
>
> XX 0E 03 6E7331 02 4138 06 76616C756531
> XX 0E 03 6E7332 02 4139 06 76616C756532
>
> (where XX is the CAtype value)
>
> The only problem you really run into here is length, which is what the
> namespace prefix bits in local-civic are intended to address.
>
> I think it's also worth noting that this extension scheme works best if
> the extension schema has the same basic structure as the base civic
> address schema, i.e., if it's just a flat list of types. If you try to
> add complex types, this scheme doesn't really work. (I'm thinking of
> someone getting the idea to do something like xAL [1])
>
> --Richard
>
> [1] <http://www.oasis-open.org/committees/ciq/ciq.html#6>
>
>
>
>
>
> On Dec 1, 2010, at 8:28 AM, Marc Linsner wrote:
>
> > Brian,
> >
> >
> >>
> >> For the new namespace, LoST works already. Create one new DHCP
> option
> >> with the namespace as the first parameter and the label (tag) as the
> >> second.
> >>
> >
> >
> > What if someone wants to build a location with more than 2
> > namespaces....maybe 3, 4, 5, 6.....?? Define DHCP to carry multiple
> > namespaces concatenated into one CAtype?
> >
> > -Marc-
> >
> >
> > _______________________________________________
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>
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