From d5d1e1a26999008bd230d85978d08db6df8cbaff Mon Sep 17 00:00:00 2001 From: Philip Hancke Date: Mon, 12 Dec 2011 17:01:46 +0000 Subject: [PATCH] XEP-0288 - Minor clarifications about bidi/dialback Minor clarifications about bidi/dialback Signed-off-by: Dave Cridland --- xep-0288.xml | 28 +++++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) diff --git a/xep-0288.xml b/xep-0288.xml index b68d308d..cbd70742 100644 --- a/xep-0288.xml +++ b/xep-0288.xml @@ -21,7 +21,7 @@ - NOT_YET_ASSIGNED + bidi Philipp Hancke @@ -33,6 +33,12 @@ dave.cridland@isode.com dave.cridland@isode.com + + 0.2 + 2010-11-11 + ph +

Minor clarifications about the implications of bidi and dialback.

 + 0.1 2010-10-04 @@ -55,8 +61,9 @@

initial version

 - -

&xmppcore; restricts server-to-server communication in such a way that a server has to use on TCP connection for XML stanzas sent from the server to the peer and another TCP connection (initiated by the peer) for stanzas from the peer to the server, for a total of two TCP connections. &rfc6120; allows two servers to send stanzas in a bidirectional way, but does not define methods for explicitly signalling the usage thereof. This is accomplished in this specification.

+ +

&rfc3920; restricts server-to-server communication in such a way that a server has to use one TCP connection for XML stanzas sent from the server to the peer, and another TCP connection (initiated by the peer) for stanzas from the peer to the server, for a total of two TCP connections. &rfc3920bis; allows two servers to send stanzas in a bidirectional way, but does not define methods for explicitly signalling the usage thereof. This is accomplished herein.

+

While this may seem like a mere optimization that decreases the number of sockets used by an implementation or increases the performance of the server-to-server connectionIn constrained environments, bidirectional server-to-server connections exhibit a reduced packet round trip time, see <http://www.isode.com/whitepapers/xmpp-performance-constrained.html>., it actually removes some of the practical barriers for the implementation of Multiplexing in &xep0220;.