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4  <head>
5    <title>IETF 81 - HTTPbis -14/-15 Changes Overview</title>
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29       content: "Julian Reschke, greenbytes";
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35       content: "IETF 81 - HTTPbis -14/-15 Changes Overview";
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38    </style>
39  </head>
40  <body>
41    <h1>IETF 81 - HTTPbis -14/-15 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>-11: published August 2010 (after IETF 78)</li>
49      <li>-12: published October 2010 (before IETF 79, WG did not meet)</li>
50      <li>-13: published March 2011 (before IETF 80)</li>
51      <li>-14: published April 2011 (after IETF 80)</li>
52      <li>-15: published July 2011 (before IETF 81)</li>
53    </ul>
54   
55    <h2 class="break">Changes</h2>
56    <ul>
57      <li>Default charsets for text media types (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/20">Ticket 20</a>)</li>
58      <li>Handling multiple Content-Length headers (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/95">Ticket 95</a>)</li>
59      <li>Content-MD5 and partial responses (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/178">Ticket 178</a>)</li>
60      <li>message-body in CONNECT request (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/251">Ticket 251</a>)</li>
61      <li>HTTP-Version should be redefined as fixed length pair of DIGIT . DIGIT (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/273">Ticket 273</a>)</li>
62    </ul>
63
64    <h2>Changes (Best Practices)</h2>
65    <ul>
66      <li>Recommend minimum sizes for protocol elements (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/282">Ticket 282</a>)</li>
67      <li>Set expectations around buffering (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/283">Ticket 283</a>)</li>
68      <li>Considering messages in isolation (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/288">Ticket 288</a>)</li>
69    </ul>
70
71    <h2 class="break">Changes (Rewrites)</h2>
72    <ul>
73      <li>If-* and entities (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/89">Ticket 89</a>)</li>
74      <li>Definition of validator weakness (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/101">Ticket 101</a>)</li>
75      <li>ETags and Quotes (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/269">Ticket 269</a>)</li>
76    </ul>
77
78    <h2>Changes (Status Codes)</h2>
79    <ul>
80      <li>Clarify 203 Non-Authoritative Information (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/203">Ticket 203</a>)</li>
81      <li>Clarify status code for rate limiting (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/255">Ticket 255</a>)</li>
82      <li>Clarify 403 forbidden (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/294">Ticket 294</a>)</li>
83      <li>Clarify 203 Non-Authoritative Information (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/296">Ticket 296</a>)</li>
84    </ul>
85
86    <h2 class="break">Changes (Caching)</h2>
87    <ul>
88      <li>Mismatch Vary (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/38">Ticket 38</a>)</li>
89      <li>Cache Invalidation only happens upon successful responses (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/235">Ticket 235</a>)</li>
90      <li>Proxies don't 'understand' methods (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/289">Ticket 289</a>)</li>
91      <li>Cache Extensions can override no-store, etc. (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/291">Ticket 291</a>)</li>
92      <li>Pragma (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/292">Ticket 292</a>)</li>
93    </ul>
94
95    <h2>Changes (Editorial)</h2>
96    <ul>
97      <li>Allow is not in 13.5.2 (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/53">Ticket 53</a>) (editorial)</li>
98      <li>Untangle ABNFs for header fields (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/276">Ticket 276</a>) (editorial)</li>
99      <li>Confusing undefined parameter in media range example (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/281">Ticket 281</a>) (editorial)</li>
100      <li>Content-Length ABNF broken (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/286">Ticket 286</a>) (editorial)</li>
101      <li>Update default reason phrase for 413 (<a href="http://trac.tools.ietf.org/wg/httpbis/trac/ticket/298">Ticket 298</a>) (editorial)</li>
102    </ul>
103
104  </body>
105</html>
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