Changeset 1323 for draft-ietf-httpbis/latest/p6-cache.xml

Timestamp:

01/07/11 16:56:52 (10 years ago)

Author:

julian.reschke@…

Message:

add guidance on minimum sizes of protocol elements (see #282)

File:

• draft-ietf-httpbis/latest/p6-cache.xml (modified) (3 diffs)

draft-ietf-httpbis/latest/p6-cache.xml

@@ -441 +441 @@
 </artwork></figure>
 </section>
-
-</section>
+</section>
+
+<section title="Delta Seconds" anchor="delta-seconds">
+<t>
+   The delta-seconds rule specifies a non-negative integer, representing time
+   in seconds.
+</t>
+<figure><artwork type="abnf2616"><iref item="Grammar" primary="true" subitem="delta-seconds" />
+  <x:ref>delta-seconds</x:ref>  = 1*<x:ref>DIGIT</x:ref>
+</artwork></figure>
+<t>
+   If an implementation receives a delta-seconds value larger than the largest
+   positive integer it can represent, or if any of its subsequent calculations
+   overflows, it &MUST; consider the value to be 2147483648 (2<x:sup>31</x:sup>).
+   Recipients parsing a delta-seconds value &SHOULD; use an arithmetic type of
+   at least 31 bits of range, and senders &MUST-NOT; send delta-seconds with a
+   value greater than 2147483648.
+</t>
+</section>
+
 </section>
 
@@ -1056 +1074 @@
   <x:ref>Age</x:ref> = <x:ref>delta-seconds</x:ref>
 </artwork></figure>
-<t anchor="rule.delta-seconds">
-  <x:anchor-alias value="delta-seconds" />
-  Age field-values are non-negative integers, representing time in seconds.
-</t>
-<figure><artwork type="abnf2616"><iref item="Grammar" primary="true" subitem="delta-seconds" />
-  <x:ref>delta-seconds</x:ref>  = 1*<x:ref>DIGIT</x:ref>
-</artwork></figure>
-<t>
-   If a cache receives a value larger than the largest positive integer it can
-   represent, or if any of its age calculations overflows, it &MUST; transmit
-   an Age header field with a field-value of 2147483648 (2<x:sup>31</x:sup>). 
-   Recipients parsing the Age header field-value &SHOULD; use an arithmetic type of 
-   at least 31 bits of range.
+<t>
+  Age field-values are non-negative integers, representing time in seconds
+  (see <xref target="delta-seconds"/>).
 </t>
 <t>
@@ -2717 +2725 @@
     </t>
     <t>
+      <eref target="http://tools.ietf.org/wg/httpbis/trac/ticket/282"/>:
+      "Recommend minimum sizes for protocol elements"
+    </t>
+    <t>
       <eref target="http://tools.ietf.org/wg/httpbis/trac/ticket/289"/>:
       "Proxies don't 'understand' methods"