Re: Introducing a new HTTP response header for Carbon Emissions calculation

On Wed, Apr 12, 2023 at 12:16:28AM +1000, Mark Nottingham wrote:
> > On 12 Apr 2023, at 12:10 am, Lucas Pardue <> wrote:
> > 
> > Have you considered how this might work where there is a chain of servers
> > involved in handling a request? We might think of CDNs in this light but it
> > is also common for servers to sit in front of something like an app server
> > or cache server. Therefore it could benefit this proposal to make it a list
> > of values that can comprise the entire lifecycle of a request/response
> > exchange.
> I had the same thought. It's probably best specified as a List of Decimals; see:
> But, I also wonder if the response is the best place to put this information
> -- it only makes it available after the fact, and scatters information that
> needs to be aggregated for many use cases. More discussion / description of
> the use cases would help guide the design.

Yeah and whether or not the production of the header itself is included in
the calculation :-)


Received on Tuesday, 11 April 2023 14:34:50 UTC