Re: [Ace] Embedded Content Types

Jim Schaad <ietf@augustcellars.com> Fri, 22 February 2019 17:14 UTC

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From: Jim Schaad <ietf@augustcellars.com>
To: 'Michael Richardson' <mcr+ietf@sandelman.ca>, 'Carsten Bormann' <cabo@tzi.org>
CC: "'Panos Kampanakis (pkampana)'" <pkampana@cisco.com>, 'ace' <ace@ietf.org>, 'Klaus Hartke' <hartke@projectcool.de>, <draft-ietf-ace-coap-est@ietf.org>
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Subject: Re: [Ace] Embedded Content Types
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> -----Original Message-----
> From: Michael Richardson <mcr+ietf@sandelman.ca>;
> Sent: Friday, February 22, 2019 8:46 AM
> To: Carsten Bormann <cabo@tzi.org>;
> Cc: Jim Schaad <ietf@augustcellars.com>;; Panos Kampanakis (pkampana)
> <pkampana@cisco.com>;; ace <ace@ietf.org>;; Klaus Hartke
> <hartke@projectcool.de>;; draft-ietf-ace-coap-est@ietf.org
> Subject: Re: [Ace] Embedded Content Types
> 
> 
> Carsten Bormann <cabo@tzi.org>; wrote:
>     >> I am thinking of two different URLs, that is not do the difference
by
>     >> a query parameter but by changing the URI.
> 
>     > Note that the query parameters are part of the URI, so fundamentally
>     > there is no difference between putting the info there or in the path
>     > part of the URI.
> 
> Really? Aren't there caching differences?
> (Not that these things should ever be cached)

Not in CoAP, for CoAP options are part of the cache key.  I don't know for
sure about HTTP but normally it says only GETs and use the URI.  That would
say that options are part of the cache key.

Jim

> 
> --
> Michael Richardson <mcr+IETF@sandelman.ca>;, Sandelman Software Works
> -= IPv6 IoT consulting =-
> 
>