Network Working GroupJ. Reschke
Internet-Draftgreenbytes
Intended status: Standards TrackS. Loreto
Expires: August 22, 2016Ericsson
February 19, 2016

single releases april 2014 'Out-Of-Band' Content Coding for HTTP

draft-reschke-http-oob-encoding-03

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aktuelle single charts mai 2014 This document describes an Hypertext Transfer Protocol (HTTP) content coding that can be used to describe the location of a secondary resource that contains the payload.top 40 pop singles 2013

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aktuelle single charts april 2014 Distribution of this document is unlimited. Although this is not a work item of the HTTPbis Working Group, comments should be sent to the Hypertext Transfer Protocol (HTTP) mailing list at uk top 100 singles chart 2013, which may be joined by sending a message with subject "subscribe" to top 100 singles 2003 uk.top 20 pop singles 2013

new single releases november 2014 Discussions of the HTTPbis Working Group are archived at <top 20 singles songs 2013>.top 20 hit singles 2013

new music single releases november 2014 XML versions, latest edits, and issue tracking for this document are available from <upcoming single releases september 2013> and <new singles releases september 2013>.uk single releases september 2013

new music single releases april 2014 The changes in this draft are summarized in die aktuellen top 100 single charts 2013.top 100 german single charts mai 2013

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new singles july 2014 This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79.new singles summer 2013

new music single releases july 2014 Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet-Drafts is at top 10 pop singles 2014.top 20 single charts june 2014

new pop singles july 2014 Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as “work in progress”.best metal singles 2014

top 40 singles april 2014 (full songs) (hd) (hq) скачать This Internet-Draft will expire on August 22, 2016.top 40 uk chart singles 2013

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top 40 singles april 2014 (full songs) (hd) (hq) 4sh Copyright © 2016 IETF Trust and the persons identified as the document authors. All rights reserved.top hot 100 singles chart (1 dec) 2014 full songs

top 40 singles april 2014 full songs hd hq mp3 This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (us top 40 single charts 2013) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.die top 100 single charts 2013


top 100 single charts 2014 playlist liste top 100 single charts 2014

single releases july 2014 This document describes an Hypertext Transfer Protocol (HTTP) content coding (list of every single all time low song of [RFC7231]) that can be used to describe the location of a secondary resource that contains the payload.top 20 singles july 2014

new singles februar 2014 The primary use case for this content coding is to enable origin servers to delegate the delivery of content to a secondary server that might be "closer" to the client (with respect to network topology) and/or able to cache content, leveraging content encryption, as described in [ENCRYPTENC].new bachata songs 2010 list

top 100 single charts march 2014 top 20 singles july 2014 (full songs)

usa hot top 40 singles chart 05 april 2014 The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in [RFC2119].top 100 single charts 2014 tracklist

us top 40 singles chart april 2014 This document reuses terminology used in the base HTTP specifications, namely billboard top 100 singles november 2014 of [RFC7230] and top 40 singles april 2014 (full songs) list of [RFC7231].top 100 dance singles of 2014

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billboard usa hot top 40 singles chart april 2014 The 'Out-Of-Band' content coding is used to direct the recipient to retrieve the actual message representation (billboard hot 100 singles november 2014 of [RFC7231]) from a secondary resource, such as a public cache:billboard hot 100 singles chart 08 november 2014

  1. Client performs a request
  2. Received response specifies the 'out-of-band' content coding; the payload of the response contains additional meta data, plus the location of the secondary resource
  3. Client performs GET request on secondary resource (usually again via HTTP(s))
  4. Secondary server provides payload
  5. Client combines above representation with additional representation metadata obtained from the primary resourcebillboard hot 100 singles chart 29 november (2014)
  Client                  Secondary Server           Origin Server

     sends GET request with Accept-Encoding: out-of-band
(billboard hot 100 singles (november 22 2014)) |---------------------------------------------------------\
                   status 200 and Content-Coding: out-of-band |
(billboard hot 100 singles chart 01 november (2014)) <---------------------------------------------------------/

     GET to secondary server
(billboard hot 100 singles chart 22 november (2014)) |---------------------------\
                        payload |
(billboard hot 100 singles chart november 2014) <---------------------------/

(new rap singles june 2014)
   Client and combines payload received in (billboard hot 100 singles chart (22 nov 2014))
   with metadata received in (billboard hot 100 singles chart 01 nov 2014 full songs).

billboard hot 100 singles chart (01 nov 2014) billboard hot 100 singles chart 29 nov 2014

uk top 40 singles chart april 2014 The name of the content coding is "out-of-band".billboard hot 100 singles chart (08 nov 2014)

usa hot top 40 singles chart april 2014 The payload format uses JavaScript Object Notation (JSON, [RFC7159]), describing an object describing secondary resources plus OPTIONAL additional metadata:bachata songs 2010 list

'URIs'
A REQUIRED string array containing at least one URI reference (billboard hot 100 singles chart (8 nov 2014) full songs of [RFC3986]) of a secondary resource.
'fallback'
An OPTIONAL string containing a URI reference of a fallback resource (see billboard hot 100 singles chart (08 nov 2014) mp3). This URI reference, after resolution against the URI of the primary resource, MUST identify a resource on the same server as the primary resource.
'metadata'
An OPTIONAL object containing additional members, representing header field values which can not appear as header fields in the response message itself (header fields that occur multiple times need to be combined into a single field value as per billboard hot 100 singles chart (8 nov 2014) of [RFC7230]; header field names are lower-cased).

single charts juni 2014 deutschland The payload format uses a JSON array so that the origin server can specify multiple secondary resources. When a client receives a response containing multiple URIs, it is free to choose which of these to use.billboard hot 100 singles chart (22 nov 2014) mp3

us charts top 40 singles New specifications can define new OPTIONAL header fields, thus clients MUST ignore unknown fields. Extension specifications will have to update this specification. single releases june 2014 [va – billboard hot 100 singles chart (29 nov 2014): or we define a registry] billboard hot 100 singles chart (01 nov 2014) mp3

music singles of 2014 The client then obtains the original message by:new rap singles august 2014

  1. Unwrapping the encapsulated HTTP message by removing any transfer and content codings.
  2. Replacing/setting any response header fields from the primary response except for framing-related information such as Content-Length, Transfer-Encoding and Content-Encoding.
  3. Replacing/setting any header fields with those present as members in the "metadata" object. new country music singles july 2014 [new rap singles april 2014: Do we have a use case for this?] top 100 dance singles 2014

top music single 2014 If the client is unable to retrieve the secondary resource's representation (host can't be reached, non 2xx response status code, payload failing integrity check, etc.), it can choose an alternate secondary resource (if specified), try the fallback URI (if given), or simply retry the request to the origin server without including "out-of-band" in the Accept-Encoding request header field. In the latter case, it can be useful to inform the origin server about what problems were encountered when trying to access the secondary resource; see top 100 rap singles 2014 for details.single mom support group johannesburg

top 20 singles april 2014 Note that although this mechanism causes the inclusion of external content, it will not affect the application-level security properties of the reconstructed message, such as its web origin ([RFC6454]).top 20 single 2014

single charts 2014 september The cacheability of the response for the secondary resource does not affect the cacheability of the reconstructed response message, which is the same as for the origin server's response.new indie singles 2014

new single adele 2014 Note that because the server's response depends on the request's Accept-Encoding header field, the response usually will need to be declared to vary on that. See top 100 uk single charts 2014 of [RFC7231] and uk top 40 single charts 2014 of [RFC7232] for details.top 40 single charts uk this week

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new single coldplay 2014 When the client fails to obtain the secondary resource, it can be useful to inform the origin server about the condition. This can be accomplished by adding a "Link" header field ([RFC5988]) to a subsequent request to the origin server, detailing the URI of the secondary resource and the failure reason.best singles 2014 youtube

new single 2014 bruno mars The following link extension relations are defined:top singles 2014 youtube

top 20 singles 2014 january top 20 singles august 2014

new single 2014 rihanna Used in case the server was not reachable.top 20 singles 2014 june

new single madonna 2014 Link relation:

http://purl.org/NET/linkrel/not-reachable

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us single charts july 2014 Used in case the server responded, but the object could not be obtained.billboard top 100 singles 2010

single charts dezember 2014 deutschland Link relation:

http://purl.org/NET/linkrel/resource-not-found

top 20 singles august 2014 (full songs) top 20 singles august 2014 (full songs) mp3

new country music singles december 2014 Used in case the the payload could be obtained, but wasn't usable (for instance, because integrity checks failed).uk top 20 singles august 2014

top 40 singles april 2014 youtube Link relation:

http://purl.org/NET/linkrel/payload-unusable

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new country music singles november 2014 Client request of primary resource:

GET /test HTTP/1.1
Host: www.example.com
Accept-Encoding: gzip, out-of-band

new country singles november 2014 Response:

HTTP/1.1 200 OK
Date: Thu, 14 May 2015 18:52:00 GMT
Content-Type: text/plain
Cache-Control: max-age=10, public
Content-Encoding: out-of-band
Content-Length: 145
Vary: Accept-Encoding

{
  "URIs": [
    "http://example.net/bae27c36-fa6a-11e4-ae5d-00059a3c7a00"
  ],
  "fallback": "/c/bae27c36-fa6a-11e4-ae5d-00059a3c7a00"
}

single charts april 2004 (note that the Content-Type header field describes the media type of the secondary's resource representation, and the origin server supplied a fallback URI)

music singles may 2014 Client request for secondary resource:

GET /bae27c36-fa6a-11e4-ae5d-00059a3c7a00 HTTP/1.1
Host: example.net

music singles june 2014 Response:

HTTP/1.1 200 OK
Date: Thu, 14 May 2015 18:52:10 GMT
Cache-Control: private
Content-Length: 15

new single releases august 2014 Hello, world.

music singles release 2014 (Note no Content-Type header field is present here because the secondary server truly does not know the media type of the payload)

music singles april 2014 Final message after recombining header fields:

HTTP/1.1 200 OK
Date: Thu, 14 May 2015 18:52:00 GMT
Content-Length: 15
Cache-Control: max-age=10, public
Content-Type: text/plain

top 40 singles chart april 2014 Hello, world.

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hottest music singles of 2014 Given the example HTTP message from biggest selling singles since 2010 of [ENCRYPTENC], a primary resource could use the "out-of-band" encoding to specify just the location of the secondary resource plus the contents of the "Crypto-Key" header field needed to decrypt the payload:best selling singles since 2010

top music singles of 2014 Response:

HTTP/1.1 200 OK
Date: Thu, 14 May 2015 18:52:00 GMT
Content-Encoding: aesgcm128, out-of-band
Content-Type: text/plain
Encryption: keyid="a1"; salt="vr0o6Uq3w_KDWeatc27mUg"
Crypto-Key: keyid="a1"; aesgcm128="csPJEXBYA5U-Tal9EdJi-w"
Content-Length: 87
Vary: Accept-Encoding

{
  "URIs": [
    "http://example.net/bae27c36-fa6a-11e4-ae5d-00059a3c7a00"
  ]
}

neue single rihanna 2014 (note that the Content-Type header field describes the media type of the secondary's resource representation)

madonna new single 2014 release date Response for secondary resource:

HTTP/1.1 200 OK
Date: Thu, 14 May 2015 18:52:10 GMT
Content-Length: ...
Cache-Control: private

fuag8ThIRIazSHKUqJ5OduR75UgEUuM76J8UFwadEvg

top single april 2014 (payload body shown in base64 here)

neue single coldplay 2014 Final message undoing all content codings:

HTTP/1.1 200 OK
Date: Thu, 14 May 2015 18:52:00 GMT
Content-Length: 15
Content-Type: text/plain

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singles released in 2004 Client requests primary resource as in top 50 hip hop singles 2014, but the attempt to access the secondary resource fails.top singles hip hop 2013

top singles of 2014 billboard Response:

HTTP/1.1 404 Not Found
Date: Thu, 08 September 2015 16:49:00 GMT
Content-Type: text/plain
Content-Length: 20

new single releases september 2014 Resource Not Found

top 40 single charts april 2014 Client retries with the origin server and includes Link header field reporting the problem:

GET /test HTTP/1.1
Host: www.example.com
Accept-Encoding: gzip, out-of-band
Link: <http://example.net/bae27c36-fa6a-11e4-ae5d-00059a3c7a00>;
      rel="http://purl.org/NET/linkrel/resource-not-found"

top selling singles since 2010 best selling single since 2010

new country music singles august 2014 New content codings can be deployed easily, as the client can use the "Accept-Encoding" header field (new hip hop single releases 2014 of [RFC7231]) to signal which content codings are supported.hip hop single releases 2014

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uk top 40 singles chart list this week uk top 40 singles chart week 03 2014

new pop singles april 2014 This specification does not define means to verify that the payload obtained from the secondary resource really is what the origin server expects it to be. Content signatures can address this concern (see [CONTENTSIG] and [MICE]).uk top 40 singles chart last week

mtv uk singles chart top 40 mtv official uk top 40 singles chart

top hip hop singles 2014 In general, content codings can be used in both requests and responses. This particular content coding has been designed for responses. When supported in requests, it creates a new attack vector where the receiving server can be tricked into including content that the client might not have access to otherwise (such as HTTP resources behind a firewall).mtv uk top 40 singles chart list

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top 100 singles july 2014 The IANA "HTTP Content Coding Registry", located at <top 10 singles 2014 youtube>, needs to be updated with the registration below:top ten singles 2014 youtube

Name:
out-of-band
Description:
Payload needs to be retrieved from a secondary resource
Reference:
hip hop singles august 2014 of this document

latest hip hop single releases 2014 References

new hip hop singles august 2014 Normative References

[RFC2119]
Bradner, S., “mtv uk singles top 40”, BCP 14, RFC 2119, the official uk top 40 singles chart mtv hits, March 1997, <uk top 40 singles chart this week>.
[RFC3986]
Berners-Lee, T., Fielding, R., and L. Masinter, “top hip hop singles august 2014”, STD 66, RFC 3986, hip hop rnb singles 2014, January 2005, <top 20 singles may 2014 youtube>.
[RFC5988]
Nottingham, M., “top 40 singles may 2014 youtube”, RFC 5988, top 40 singles 2010 uk, October 2010, <top singles 2010 uk>.
[RFC7159]
Bray, T., “top 40 singles september 2014 youtube”, RFC 7159, opening online dating emails, March 2014, <online dating opening message tips>.
[RFC7230]
Fielding, R., Ed. and J. Reschke, Ed., “billboard year end hot 100 singles 2010”, RFC 7230, top 10 singles february 2014 full songs hd, June 2014, <top 10 singles february 2014 (full songs)>.
[RFC7231]
Fielding, R., Ed. and J. Reschke, Ed., “top 10 singles february 2014”, RFC 7231, top 10 singles february 2014 list, June 2014, <top 10 singles february 2014 full songs hd hq>.

top 10 music singles of 2014 Informative References

[CONTENTSIG]
Thomson, M., “top selling singles 2010 uk”, Internet-Draft draft-thomson-http-content-signature-00 (work in progress), July 2015.
[ENCRYPTENC]
Thomson, M., “top 10 singles 2010 uk”, Internet-Draft draft-ietf-httpbis-encryption-encoding-00 (work in progress), December 2015.
[MICE]
Thomson, M., “uk top 40 hit singles 2010”, Internet-Draft draft-thomson-http-mice-00 (work in progress), January 2016.
[RFC2017]
Freed, N. and K. Moore, “hip hop musik kostenlos herunterladen”, RFC 2017, mtv uk top 40 singles chart, October 1996, <top 10 dance singles 2014>.
[RFC4483]
Burger, E., “opening online dating email”, RFC 4483, online dating message template, May 2006, <top 10 persian music single may 2014 تک آهنگ جدید>.
[RFC6454]
Barth, A., “top 10 singles february 2014 (full songs) (hd) (hq) mp3”, RFC 6454, top 10 singles february 2014 (full songs) (hd) mp3, December 2011, <top 10 singles february 2014 (full songs) mp3>.
[RFC7232]
Fielding, R., Ed. and J. Reschke, Ed., “top 10 singles february 2014 (full songs) 4sh”, RFC 7232, top 10 singles february 2014 mp3, June 2014, <top 10 singles february 2014 youtube>.

list of uk top 10 singles in 2010 top 10 singles summer 2014

top 40 singles april 2014 A plausible alternative approach would be to implement this functionality one level up, using a new redirect status code (top 50 singles of 2010 uk of [RFC7231]). However, this would have several drawbacks:mtv single charts top 40

top 10 single charts april 2014 Another alternative would be to implement the indirection on the level of the media type using something similar to the type "message/external-body", defined in [RFC2017] and refined for use in the Session Initiation Protocol (SIP) in [RFC4483]. This approach though would share most of the drawbacks of the status code approach mentioned above.top 10 hip hop singles 2014

top singles of 2010 uk new singles of april 2014

dance singles july 2014 top new singles of 2014

list of singles released in 2004 We probably need to handle Range Requests. How would this work? Passing down the Range request header field to the secondary resource?top singles of april 2014

new single releases 2014 uk What about codes other than 200 and 206?best singles of april 2014

top 10 singles march 2014 neue singles april 2014

billboard top 100 singles of 2014 One use-case for this protocol is to enable a system of "blind caches", which would serve the secondary resources. These caches might only be populated on demand, thus it could happen that whatever mechanism is used to populate the cache hasn't finished when the client hits it (maybe due to race conditions, or because the cache is behind a middlebox which doesn't allow the origin server to push content to it).new single of 2014

billboard hot 100 singles of 2014 In this particular case, it can be useful if the client was able to "piggyback" the URI of the fallback for the primary resource, giving the secondary server a means by which it could obtain the payload itself. This information could be provided in yet another Link header field:best music singles of 2014

GET bae27c36-fa6a-11e4-ae5d-00059a3c7a00 HTTP/1.1
Host: example.net
Link: <http://example.com/c/bae27c36-fa6a-11e4-ae5d-00059a3c7a00>;
      rel="http://purl.org/NET/linkrel/primary-resource"

billboard hot 100 top 10 singles of 2014 (continuing the example from top 40 singles of april 2014)

new country singles july 2014 new hip hop singles april 2014

billboard hot 100 top singles of 2014 When out-of-band encoding is used as part of a caching solution, the additional round trips to the origin server can be a significant performance problem; in particular, when many small resources need to be loaded (such as scripts, images, or video fragments). In cases like these, it could be useful for the origin server to provide a "resource map", allowing to skip the round trips to the origin server for these mapped resources. Plausible ways to transmit the resource map could be:charts singles april 2014

  • as extension in the out-of-band encoding JSON payload, or
  • as separate resource identified by a "Link" response header field.singles of 2010 uk

top singles april 2014 youtube This specification does not define a format, nor a mechanism to transport the map, but it's a given that some specification using "out-of-band" encoding will do.new singles april 2014

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neue singles mai 2014 new singles mai 2014

billboard top 40 singles march 2014 Mention media type approach.new single releases april 2014

billboard usa hot top 40 singles chart march 2014 Explain that clients can always fall back not to use oob when the secondary resource isn't available.biggest selling singles of 2010 uk

the official uk top 40 singles chart 2010 Add Vary response header field to examples and mention that it'll usually be needed (<new single releases july 2014>).top 40 singles april 2014 full songs mp3

top new singles june 2014 Experimentally add problem reporting using piggy-backed Link header fields (<top 40 singles april 2014 full songs 4sh>).top 40 singles april 2014 full songs

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best singles 2014 so far Updated ENCRYPTENC reference.new country singles may 2014

us single charts april 2014 aria singles chart april 2014

top 40 singles april 2014 usa Add MICE reference.uk singles chart april 2014

top 40 singles april 2014 list Remove the ability of the secondary resource to contain anything but the payload (<top single charts april 2014>).single charts april 2014 deutschland

top 40 singles april 2014 mp3 Changed JSON payload to be an object containing an array of URIs plus additional members. Specify "fallback" as one of these additional members, and update deutsche single charts april 2014 accordingly).uk top 40 singles june 2010

top 40 singles april 2014 playlist Discuss extensibility a bit.uk top 40 singles march 2010

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top 40 singles april 2014 4sh Thanks to Christer Holmberg, Daniel Lindstrom, Goran Eriksson, John Mattsson, Kevin Smith, Mark Nottingham, Martin Thomson, and Roland Zink for feedback on this document.uk top 40 singles december 2010

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top 40 singles of march 2014 Julian F. Reschke
greenbytes GmbH
Hafenweg 16
Muenster, NW 48155
Germany
Email: uk top 40 singles chart 2010
URI: new releases 2014 music singles
single releases 2014 uk Salvatore Loreto
Ericsson
Torshamnsgatan 21
Stochholm, 16483
Sweden
Email: top 100 singles april 2014