Hi,
What do I read?
when you do GET coap://example.com/.well-known/core
The discovery is on port 5683.
When you do GET coaps://example.com/.well-known/core
the discovery port is 5684.
I agree that we did not assign a port to coaps://example.com/est for
that matter,
and as such the example is incorrect. Will we make the port
discoverable?
RFC 7030 does not ask a port number from IANA.
And a search through IANA port numbers on "est" does not yield anything.
Any suggestions? or improve my knowledge.
Peter
Esko Dijk schreef op 2018-09-21 10:24:
>> I've asked if discovery is always required, permitted, or encouraged.
>
> Normally it is always encouraged to use discovery in favour of fixed URIs at
> the server, to avoid specs squatting the URI namespace. But in our case the
> /.well-known/est space is already assigned (RFC 7030) so we have to support
> it also in coaps-est and no additional squatting takes place. Besides support
> for the well-known URI location, discovery by a client is permitted to find
> "ace.est" type resources at other places e.g. to get shorter URIs or to get
> 6lowpan-compressible port numbers, or both.
>
>> I.e. - can the client avoid the round trip to do the discovery?
>> - does the server have to provide the discovery?
>> -- if not, what does a client do that performs the discovery and fails?
>> I've been told it was required.
>
> - So it can't be required for the client, is my opinion.
> - The server must support it (being a good CoAP-citizen) in some way as in
> the previous email.
> - If it fails, the client might try another time using the /.well-known/est
> resource, or retry the discovery later on. (There could be various
> implementation-specific tactics here. Maybe the IP address of the EST server
> was configured wrongly; and the process that lead to this IP address can be
> redone by the client.)
>
> Esko
>
> _______________________________________________
> Ace mailing list
> Ace@ietf.org
> https://www.ietf.org/mailman/listinfo/ace
_______________________________________________
Ace mailing list
Ace@ietf.org
https://www.ietf.org/mailman/listinfo/ace
