HTTP Working GroupM. Nottingham
Internet-DraftAkamai
Intended status: Standards TrackP. McManus
Expires: August 6, 2016Mozilla
J. Reschke
greenbytes
February 3, 2016

best online dating sites 100 free HTTP Alternative Services

draft-ietf-httpbis-alt-svc-11

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partnervermittlung tschechien slowakei This specification defines a new concept in HTTP, "Alternative Services", that allows an origin server to nominate additional means of interacting with it on the network. It defines a general framework for this in 100 free disabled dating websites, along with specific mechanisms for advertising their existence using HTTP header fields (100 percent free disabled dating sites) or HTTP/2 frames (partnervermittlung julie gmbh leipzig), plus a way to indicate that an alternative service was used (partnersuche weltweit kostenlos).single mama sucht single papa

suche tschechische partnervermittlung It also endorses the status code 421 (Misdirected Request) (partnervermittlung julie gmbh halle) that origin servers (or their nominated alternatives) can use to indicate that they are not authoritative for a given origin, in cases where the wrong location is used.kleinanzeigen kontakte kostenlos

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tschechische partnervermittlung kostenlos This document uses the Augmented BNF defined in [RFC5234] and updated by [RFC7405] along with the "#rule" extension defined in singlebörse norddeutschland kostenlos of [RFC7230]. The rules below are defined in [RFC5234], [RFC7230], and [RFC7234]:partnersuche motto lyrics

OWS           = <OWS, see [RFC7230], free dating and free chatting>
delta-seconds = <delta-seconds; see [RFC7234], partnersuche motto ideen>
port          = <port, see [RFC7230], frau russland sucht mann>
quoted-string = <quoted-string, see [RFC7230], russische frau sucht mann>
token         = <token, see [RFC7230], partnersuche textvorlagen outlook>
uri-host      = <uri-host, see [RFC7230], partnervermittlung.de erfahrung>

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partnersuche türkische singles An alternative service can be used to interact with the resources on an origin server at a separate location on the network, possibly using a different protocol configuration. Alternative services are considered authoritative for an origin's resources, in the sense of [RFC7230], partnervermittlung julie gmbh magdeburg.partnersuche wuppertal elberfeld

free dating sites and chats For example, an origin:

("http", "www.example.com", "80")

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("h2", "new.example.com", "81")

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partnersuche usa florida klima Alternative services do not replace or change the origin for any given resource; in general, they are not visible to the software "above" the access mechanism. The alternative service is essentially alternative routing information that can also be used to reach the origin in the same way that DNS CNAME or SRV records define routing information at the name resolution level. Each origin maps to a set of these routes — the default route is derived from the origin itself and the other routes are introduced based on alternative-service information.www.chat ohne anmeldung.de

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partnersuche bad essen Importantly, this includes its security context; in particular, when TLS [RFC5246] is used to authenticate, the alternative service will need to present a certificate for the origin's host name, not that of the alternative. Likewise, the Host header field ([RFC7230], heiratswillige frauen aus polen) is still derived from the origin, not the alternative service (just as it would if a CNAME were being used).free dating site perth western australia

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partnersuche usa florida flug The ALPN protocol name is used to identify the application protocol or suite of protocols used by the alternative service. Note that for the purpose of this specification, an ALPN protocol name implicitly includes TLS in the suite of protocols it identifies, unless specified otherwise in its definition. In particular, the ALPN name "http/1.1", registered by partnersuche test kostenlos pedigree of [RFC7301], identifies HTTP/1.1 over TLS.christliche partnersuche in österreich

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exklusive partnervermittlung russland Furthermore, if the connection to the alternative service fails or is unresponsive, the client MAY fall back to using the origin or another alternative service. Note, however, that this could be the basis of a downgrade attack, thus losing any enhanced security properties of the alternative service. If the connection to the alternative service does not negotiate the expected protocol (for example, ALPN fails to negotiate h2, or an Upgrade request to h2c is not accepted), the connection to the alternative service MUST be considered to have failed.partnersuche wuppertal zoo

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Alt-Svc       = clear / 1#alt-value
clear         = %s"clear"; "clear", case-sensitive
alt-value     = alternative *( OWS ";" OWS parameter )
alternative   = protocol-id "=" alt-authority
protocol-id   = chat gratis deutschland juist ; percent-encoded ALPN protocol name
alt-authority = best latest online dating site ; containing [ best online dating sites in sri lanka ] ":" online dating site lawsuit
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  1. Octets in the ALPN protocol name MUST NOT be percent-encoded if they are valid token characters except "%", and
  2. When using percent-encoding, uppercase hex digits MUST be used.

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Alt-Svc: h2=":8000"

gay dating websites in bangalore This indicates the "h2" protocol ([RFC7540]) on the same host using the indicated port 8000.

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Alt-Svc: h2="new.example.org:80"

gay dating spots in bangalore This indicates the "h2" protocol on the host "new.example.org", running on port 80. Note that the "quoted-string" syntax needs to be used because ":" is not an allowed character in "token".

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ALPN protocol nameprotocol-idNote
h2h2No escaping needed
w=x:y#zw%3Dx%3Ay#z"=" and ":" escaped
x%yx%25y"%" needs escaping

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Alt-Svc: h2=":443"; ma=3600

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HTTP/1.1 200 OK
Content-Type: text/html
Cache-Control: max-age=600
Age: 30
Alt-Svc: h2c=":8000"; ma=60

partnersuche niederlande quoten indicates that an alternative service is available and usable for the next 60 seconds. However, the response has already been cached for 30 seconds (as per the Age header field value), so therefore the alternative service is only fresh for the 30 seconds from when this response was received, minus estimated transit time.

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persist = "1"

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 +-------------------------------+-------------------------------+
 |         Origin-Len (16)       | Origin? (*)                 ...
 +-------------------------------+-------------------------------+
 |                   Alt-Svc-Field-Value (*)                   ...
 +---------------------------------------------------------------+

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Origin-Len:
An unsigned, 16-bit integer indicating the length, in octets, of the Origin field.
Origin:
An OPTIONAL sequence of characters containing the ASCII serialization of an origin ([RFC6454], singlebörse für teenager zimmer) that the alternative service is applicable to.
Alt-Svc-Field-Value:
A sequence of octets (length determined by subtracting the length of all preceding fields from the frame length) containing a value identical to the Alt-Svc field value defined in partnersuche friendscout24 kostenlos nutzen (ABNF production "Alt-Svc").

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partnersuche internet stiftung warentest Receiving an ALTSVC frame is semantically equivalent to receiving an Alt-Svc header field. As a result, the ALTSVC frame causes alternative services for the corresponding origin to be replaced. Note that it would be unwise to mix the use of Alt-Svc header fields with the use of ALTSVC frames, as the sequence of receipt might be hard to predict.台灣交友网站 (online speed dating in taiwan)

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Alt-Used     = uri-host [ ":" port ]

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GET /thing HTTP/1.1
Host: origin.example.com
Alt-Used: alternate.example.net

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Header Field NameProtocolStatusReference
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gute chaträume ohne anmeldung References

online dating sites young adults Normative References

[RFC2119]
Bradner, S., “partnersuche patchwork magazin”, BCP 14, RFC 2119, online speed dating chat, March 1997, <free online speed dating canada>.
[RFC3986]
Berners-Lee, T., Fielding, R., and L. Masinter, “online speed dating.com”, STD 66, RFC 3986, speed dating cam online, January 2005, <online speed dating canada>.
[RFC5226]
Narten, T. and H. Alvestrand, “speed dating compared to online dating”, BCP 26, RFC 5226, christian online speed dating, May 2008, <partnervermittlung ukraine love>.
[RFC5234]
Crocker, D., Ed. and P. Overell, “partnervermittlung lemberg ukraine”, STD 68, RFC 5234, single leipzig kostenlos youtube, January 2008, <single leipzig kostenlos parken>.
[RFC5890]
Klensin, J., “online dating site for seniors”, RFC 5890, partnervermittlung ukraine vergleich, August 2010, <partnervermittlung ukraine vip>.
[RFC6066]
Eastlake, D., “partnervermittlung ukraine video”, RFC 6066, pv partnervermittlung ukraine, January 2011, <single leipzig kostenlos xp>.
[RFC6454]
Barth, A., “free mobile flirt chat sites”, RFC 6454, free online mobile flirt chat, December 2011, <partnersuche freenet single>.
[RFC7230]
Fielding, R., Ed. and J. Reschke, Ed., “partnersuche singles friendscout24 österreich”, RFC 7230, free new dating site without payment, June 2014, <free dating sites without any payment>.
[RFC7234]
Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, Ed., “partnervermittlung in ukraine”, RFC 7234, speed dating free online game, June 2014, <online speed dating facebook>.
[RFC7301]
Friedl, S., Popov, A., Langley, A., and S. Emile, “partnervermittlung polen kostenlos”, RFC 7301, partnersuche portale kostenlos chip, July 2014, <chatraum ohne anmeldung erstellen>.
[RFC7405]
Kyzivat, P., “chat ohne anmeldung de”, RFC 7405, partnersuche patchwork ideen, December 2014, <chaträume zum flirten ohne anmeldung>.
[RFC7540]
Belshe, M., Peon, R., and M. Thomson, Ed., “partnersuche in münster”, RFC 7540, partnersuche portale kostenlos runterladen, May 2015, <partnersuche erfurt single>.

chat ohne registrieren kostenlos youtube Informative References

[BCP90]
Klyne, G., Nottingham, M., and J. Mogul, “partnervermittlung mecklenburg vorpommern greifswald”, BCP 90, RFC 3864, September 2004, <online dating relationships statistics>.
[RFC5246]
Dierks, T. and E. Rescorla, “partnersuche kostenlos ohne e mail adresse”, RFC 5246, online dating portale im test, August 2008, <partnersuche münster zoo>.
[RFC6335]
Cotton, M., Eggert, L., Touch, J., Westerlund, M., and S. Cheshire, “absolut kostenlos flirten lernen”, RFC 6335, motto einer partnersuche, August 2011, <largest dating site in south africa>.
[RFC7469]
Evans, C., Palmer, C., and R. Sleevi, “100 free disabled dating site”, RFC 7469, partnersuche auf singles.ch, April 2015, <free online dating sites for disabled>.

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Akamai
Email: [email protected]
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greenbytes GmbH
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