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4  <head>
5    <title>IETF 80 - HTTPbis -13 Changes Overview</title>
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35       content: "IETF 80 - HTTPbis -13 Changes Overview";
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40  <body>
41    <h1>IETF 80 - HTTPbis -13 Changes Overview</h1>
42    <p>
43      <a href="mailto:julian.reschke@greenbytes.de">Julian Reschke</a>, greenbytes
44    </p>
45 
46    <h2 class="break">History</h2>
47    <ul>
48      <li>-09: published March 2010 (before IETF 77)</li>
49      <li>-10: published July 2010 (before IETF 78)</li>
50      <li>-11: published August 2010 (after IETF 78)</li>
51      <li>-12: published October 2010 (before IETF 79, WG did not meet)</li>
52      <li>-13: published March 2011 (before IETF 80)</li>
53    </ul>
54
55    <h2 class="break">Changes: relations to other specifications (1/2)</h2>
56
57    <p><a href="http://greenbytes.de/tech/webdav/rfc2145.html">RFC 2145</a> (Use and Interpretation of HTTP Version Numbers)</p>
58    <ul>
59    <li>RFC2145 Normative (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/75">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/75</a>)</li>
60    </ul>
61    <p>-> Part 1 now obsoletes RFC 2145</p>
62   
63    <p><a href="http://greenbytes.de/tech/webdav/rfc2617.html">RFC 2617</a> (HTTP Authentication: Basic and Digest Access Authentication)</p>
64    <ul>
65    <li>should we have an auth scheme registry (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/141">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/141</a>)</li>
66    <li>absorbing the auth framework from 2617 (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/237">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/237</a>)</li>
67    </ul>
68    <p>-> Part 7 now updates RFC 2617 with respect to the authentication framework,
69    and introduces an authentication scheme registry</p>
70
71    <h2 class="break">Changes: relations to other specifications (2/2)</h2>
72
73    <p><a href="http://greenbytes.de/tech/webdav/rfc2817.html">RFC 2817</a> (Upgrading to TLS Within HTTP/1.1)</p>
74    <ul>
75    <li>Migrate Upgrade details from RFC2817 (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/240">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/240</a>)</li>
76    <li>Migrate CONNECT from RFC2817 to p2 (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/239">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/239</a>)</li>
77    </ul>
78    <p>-> Part 1 and 2 now update RFC 2817 (defining CONNECT, and updating the Upgrade header field)</p>
79
80    <h2 class="break">Changes: terminology and ABNF</h2>
81    <ul>
82    <li>Clarify "Requested Variant" (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/69">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/69</a>)</li>
83    <li>Clarify entity / representation / variant terminology (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/109">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/109</a>)</li>
84    <li>duplicate ABNF for Reason-Phrase (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/137">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/137</a>) (editorial)</li>
85    <li>define "transparent" proxy (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/210">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/210</a>) (editorial)</li>
86    <li>duplicate ABNF for "Method" (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/275">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/275</a>) (editorial)</li>
87    <li>untangle ABNFs for header fields (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/276">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/276</a>) (editorial)</li>
88    </ul>
89    <p>-> We now create an aggregated ABNF from the source code of the specs</p>
90       
91    <h2 class="break">Changes: extension points</h2>
92    <ul>
93    <li>Custom Ranges (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/85">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/85</a>)</li>
94    <li>Max-Forwards vs extension methods (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/203">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/203</a>)</li>
95    <li>Allowing heuristic caching for new status codes (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/223">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/223</a>)</li>
96    <li>proxies not supporting certain methods (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/226">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/226</a>) (editorial)</li>
97    <li>Considerations for new status codes (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/229">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/229</a>)</li>
98    <li>Considerations for new methods (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/230">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/230</a>)</li>
99    <li>Is * usable as a request-uri for new methods? (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/233">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/233</a>)</li>
100    </ul>
101   
102    <h2 class="break">Other Changes (1/6)</h2>
103
104    <p>non-specific</p>
105    <ul>
106    <li>205 Bodies (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/88">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/88</a>)</li>
107    <li>HTTP(s) URI scheme definitions (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/159">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/159</a>)</li>
108    <li>Note special status of Content-* prefix in header registration procedures (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/180">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/180</a>) (editorial)</li>
109    <li>Status codes and caching (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/199">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/199</a>)</li>
110    <li>Header Classification (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/224">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/224</a>)</li>
111    </ul>
112
113    <h2 class="break">Other Changes (2/6)</h2>
114
115    <p>Part 1 (Messaging)</p>
116    <ul>
117    <li>Delimiting messages with multipart/byteranges (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/90">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/90</a>)</li>
118    <li>Trailer requirements (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/193">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/193</a>)</li>
119    <li>What is the value space of HTTP status codes? (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/213">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/213</a>)</li>
120    <li>confusing Date requirements for clients (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/248">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/248</a>)</li>
121    </ul>
122
123    <h2 class="break">Other Changes (3/6)</h2>
124
125    <p>Part 2 (Semantics)</p>
126    <ul>
127    <li>Connection closing (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/28">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/28</a>) (editorial)</li>
128    <li>Fragment combination / precedence during redirects (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/43">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/43</a>)</li>
129    <li>Content-* vs. PUT (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/79">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/79</a>)</li>
130    <li>Understanding Content-* on non-PUT requests (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/102">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/102</a>)</li>
131    <li>Monitoring connections (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/108">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/108</a>) (editorial)</li>
132    <li>Methods and Caching (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/139">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/139</a>)</li>
133    </ul>
134
135    <h2 class="break">Other Changes (4/6)</h2>
136
137    <p>Part 2 (Semantics)</p>
138    <ul>
139    <li>Are OPTIONS and TRACE safe? (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/171">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/171</a>)</li>
140    <li>User-Agent guidelines (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/232">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/232</a>)</li>
141    <li>clarify PUT semantics (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/267">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/267</a>)</li>
142    </ul>
143
144    <p>Part 3 (Payload)</p>
145    <ul>
146    <li>confusing req. language for Content-Location (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/136">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/136</a>) (editorial)</li>
147    <li>"requested resource" in content-encoding definition (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/183">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/183</a>)</li>
148    </ul>
149
150    <h2 class="break">Other Changes (5/6)</h2>
151
152    <p>Part 5 (Range)</p>
153    <ul>
154    <li>Caches can't be required to serve ranges (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/217">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/217</a>)</li>
155    </ul>
156
157    <p>Part 6 (Cache)</p>
158    <ul>
159    <li>No-cache definition (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/216">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/216</a>)</li>
160    <li>Does no-store in request imply no-cache? (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/249">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/249</a>)</li>
161    <li>Clarify "public" (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/268">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/268</a>)</li>
162    </ul>
163 
164    <h2 class="break">Other Changes (6/6)</h2>
165
166    <p>Part 7 (Auth)</p>
167    <ul>
168    <li>auth-param syntax (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/195">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/195</a>)</li>
169    </ul>
170   
171    <h2 class="break">Changes: housekeeping</h2>
172    <ul>
173    <li>MIME-Version not listed in P1, general header fields (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/122">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/122</a>) (editorial)</li>
174    <li>Factor out Content-Disposition (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/123">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/123</a>)</li>
175    <li>introduction to part 7 is work-in-progress (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/130">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/130</a>) (editorial)</li>
176    <li>consider removing the "changes from 2068" sections (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/220">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/220</a>) (editorial)</li>
177    <li>update RFC 2109 reference (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/279">http://trac.tools.ietf.org/wg/httpbis/trac/ticket/279</a>) (editorial)</li>
178    </ul>
179   
180
181  </body>
182</html>
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