Changeset 2592

Timestamp:

28/01/14 00:25:26 (8 years ago)

Author:

fielding@…

Message:

Demote SHOULD limit number of open connections to an ought; see #531

Location:

draft-ietf-httpbis/latest

Files:

• p1-messaging.html (modified) (2 diffs)
• p1-messaging.xml (modified) (2 diffs)

draft-ietf-httpbis/latest/p1-messaging.html

@@ -2220 +2220 @@
          <div id="persistent.concurrency">
             <h2 id="rfc.section.6.4"><a href="#rfc.section.6.4">6.4</a>&nbsp;<a href="#persistent.concurrency">Concurrency</a></h2>
-            <p id="rfc.section.6.4.p.1">A client <em class="bcp14">SHOULD</em> limit the number of simultaneous open connections that it maintains to a given server.
-            </p>
+            <p id="rfc.section.6.4.p.1">A client ought to limit the number of simultaneous open connections that it maintains to a given server.</p>
             <p id="rfc.section.6.4.p.2">Previous revisions of HTTP gave a specific number of connections as a ceiling, but this was found to be impractical for many
                applications. As a result, this specification does not mandate a particular maximum number of connections, but instead encourages
@@ -2230 +2229 @@
                consumes server resources. Furthermore, using multiple connections can cause undesirable side effects in congested networks.
             </p>
-            <p id="rfc.section.6.4.p.4">Note that servers might reject traffic that they deem abusive, including an excessive number of connections from a client.</p>
+            <p id="rfc.section.6.4.p.4">Note that a server might reject traffic that it deems abusive or characteristic of a denial of service attack, such as an
+               excessive number of open connections from a single client.
+            </p>
          </div>
          <div id="persistent.failures">

draft-ietf-httpbis/latest/p1-messaging.xml

@@ -3066 +3066 @@
 <section title="Concurrency" anchor="persistent.concurrency">
 <t>
-   A client &SHOULD; limit the number of simultaneous open
+   A client ought to limit the number of simultaneous open
    connections that it maintains to a given server.
 </t>
@@ -3085 +3085 @@
 </t>
 <t>
-   Note that servers might reject traffic that they deem abusive, including an
-   excessive number of connections from a client.
+   Note that a server might reject traffic that it deems abusive or
+   characteristic of a denial of service attack, such as an excessive number
+   of open connections from a single client.
 </t>
 </section>