Catching up on http-wg, I came across this Roy quote: "Regarding proactive negotiation in HTTP/2, I'll note that Waka strips all negotiation fields. I find...
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Eric J. Bowman
eric@...
Feb 13, 2013 4:04 pm
... Would be nice to have some links, such discussions have eluded me. My apologies for overreacting, I took Roy's meaning as an argument against the late...
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Craig McClanahan
craig_mcclan...
Feb 13, 2013 5:35 pm
I've written several APIs lately that contain a similar concept to the "links" abstraction with a useful extension -- we also include an "allowed" field that...
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Mike Kelly
mikekelly876...
Feb 13, 2013 5:59 pm
Hi Craig, Thanks for your response. The problem with that approach is you have to force your access model around the HTTP verbs. So if you have different...
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Craig McClanahan
craig_mcclan...
Feb 13, 2013 9:42 pm
... Well, my task was to define public HTTP APIs for our resources, so binding to HTTP semantics didn't really bother me :-). ... I think there are (at least)...
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Peter Williams
peter_e_will...
Feb 15, 2013 8:21 pm
Eric, That is an interesting quote. I have occasionally heard unsubstantiated claims regarding the badness of accept header based content negotiation. It is...
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Alan Dean
alan_james_dean
Feb 15, 2013 10:31 pm
Perhaps it is worth referencing some other other Fielding quotes on the subject: https://delicious.com/alan.dean/Roy.Fielding+conneg Regards, Alan Dean...
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Peter Williams
peter_e_will...
Feb 16, 2013 6:01 am
Most of those don't talk about why using content negotiation is bad in general. Instead they talk about how truly different resources should have their own...
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Mike Schinkel
mikeschinkel
Feb 16, 2013 6:53 am
... Here are just some additional references about content negotiation: http://trac.tools.ietf.org/wg/httpbis/trac/ticket/81 ...
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Alan Dean
alan_james_dean
Feb 16, 2013 10:01 am
To be clear what Roy actually said was "In general, I avoid content negotiation *without redirects* like the plague because of its effect on caching." *(my...
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Erik Wilde
drethoo
Feb 20, 2013 2:09 pm
hello. draft-wilde-xml-patch is ready for last call by now, apart from questions about how to best deal with dependencies with an underlying RFC (5261) and...
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Erik Wilde
drethoo
Feb 21, 2013 2:59 pm
hello tom. thanks a lot for your response! it was very useful to get a menu of options how to proceed. ... after thinking about these options for a while, i...
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Erik Wilde
drethoo
Feb 21, 2013 4:35 pm
hello. this version is almost identical with the previous one, but instead of linking to errata, the draft now is written as an update of RFC 5261. ...
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Erik Wilde
drethoo
Feb 23, 2013 4:24 pm
hello tom. ... thanks for noting, https://raw.github.com/dret/I-D/master/xml-patch/draft-wilde-xml-patch-05.txt should look better (not yet submitted). ... the...
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Eric J. Bowman
eric@...
Feb 27, 2013 9:52 pm
From REST, 5.2.1: "allows information hiding through a generic interface" I took a stab at a precise definition of "information hiding" but struck out. What...
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Markus Lanthaler
mark_lanthaler
Feb 27, 2013 10:20 pm
... The server's implementation details are hidden from the client. RPC, e.g., usually exposes all the methods exactly in the way they are implemented by the...
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Alan Dean
alan_james_dean
Feb 27, 2013 10:23 pm
Eric, Looking at the preceding two paragraphs for context, I would guess/think/say that the term "information hiding" refers to the hiding of the server...
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Eric J. Bowman
eric@...
Feb 27, 2013 10:45 pm
OK, Alan, Markus, that's what I came up with also. But then I second- guessed myself, because Roy also uses "implementation details are opaque behind the...
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Alan Dean
alan_james_dean
Feb 27, 2013 10:56 pm
Eric, Hmmm ... not sure where you are referring to there. I can see *"The resource implementation details are hidden behind the interface."* in [1] but that...
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Eric J. Bowman
eric@...
Feb 27, 2013 11:23 pm
... So "information hiding" is shorthand for "implementation-detail hiding"? I guess I was thinking "uses SQL" is an implementation detail, while the results...
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Roy T. Fielding
roy_fielding
Feb 28, 2013 8:13 am
... Information hiding is one of the first software engineering principles learned when systems became large enough to require modularity. ...
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Nick Gall
nick_gall_1117
Feb 28, 2013 3:03 pm
My favorite expression of information hiding is this passage from the closing section of David Parnas's seminal essay, "On the Criteria To Be Used in...
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Eric J. Bowman
eric@...
Feb 28, 2013 4:35 pm
... There's the subtlety I was missing; thanks, Roy. -Eric...
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Eric J. Bowman
eric@...
Feb 28, 2013 5:09 pm
... My lack of formal training may be an advantage, because that's not how I did it. I'm writing a modular httpd, where a NIO "listener"; just makes...
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Markus Lanthaler
mark_lanthaler
Feb 28, 2013 6:00 pm
Thanks for the great pointer Nick. While hiding "functionality" isn't really surprising giving REST's uniform interface it is much less apparent when looking...
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Keith Hassen
erewh0n
Feb 28, 2013 6:57 pm
Very interesting topic. :) This might just be a philosophical tangent, but ... I wonder if some of the lessons from evolutionary theory would be applicable ......
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Nick Gall
nick_gall_1117
Feb 28, 2013 7:56 pm
On Thu, Feb 28, 2013 at 1:00 PM, Markus Lanthaler ... Parnas gave this general advice in his same paper: "A data structure, its internal linkings, accessing...
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Markus Lanthaler
mark_lanthaler
Mar 1, 2013 11:15 am
... Yeah.. that's one of the aspects that is still not 100% clear to me. (Most) media types not only define a serialization (representation) format but also ...
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Erik Wilde
drethoo
Apr 2, 2013 12:35 am
A new version of I-D, draft-wilde-home-xml-00.txt has been successfully submitted by Erik Wilde and posted to the IETF repository. Filename:...
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Jan Algermissen
algermissen1971
Apr 3, 2013 8:45 am
Hi, suppose, you expose a REST-API and want to keep track clients which you gave access to the API. Each client is given a client ID. Straight-forward solution...
