Hi.
attached a doc update for the new features of HAProxy 1.9.
I hope the patch full fills the CONTRIBUTING rules as
I haven't send patched to the list for long time ;-)
Regards
Aleks
From c0e025e81b87a23f679aff80bddc02a96c4d43b0 Mon Sep 17 00:00:00 2001
From: Aleksandar Lazic <al-hapr...@none.at>
Date: Sat, 2 Feb 2019 09:54:55 +0100
Subject: [PATCH] DOC: Add HTX part in the documentation
---
doc/configuration.txt | 50 +++++++++++++++++++++++++++++++++++++++++--
1 file changed, 48 insertions(+), 2 deletions(-)
diff --git a/doc/configuration.txt b/doc/configuration.txt
index fe5eb250..38ed12ed 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -192,8 +192,7 @@ HAProxy supports 4 connection modes :
For HTTP/2, the connection mode resembles more the "server close" mode : given
the independence of all streams, there is currently no place to hook the idle
server connection after a response, so it is closed after the response. HTTP/2
-is only supported for incoming connections, not on connections going to
-servers.
+supports now end 2 end mode and trailers which is requierd for gRPC.
1.2. HTTP request
@@ -384,6 +383,53 @@ Response headers work exactly like request headers, and as such, HAProxy uses
the same parsing function for both. Please refer to paragraph 1.2.2 for more
details.
+1.3.3. HAProxy HTX
+------------------
+In this version of HAProxy was a new http-engine developed. With this huge
+rewrite of the http engine is it now possible to add "easier" some other and
+new protocols.
+
+It is requierd to use option http-use-htx to activate this new engine.
+
+With HTX is it now possible to handle the following protocols with HAProxy.
+
+TCP <> HTTP/X
+SSL/TLS <> TCP
+SSL/TLS <> HTTP/X
+HTTP/1.x <> HTTP/2
+HTTP/2 <> HTTP/1.x
+
+The Diagramm below was described in this post.
+https://www.mail-archive.com/haproxy@formilux.org/msg31727.html
+
+
+ +-----------------------------+ stream
+ | all HTTP processing | layer
+ +-----------------------------+
+ ^ ^ ^
+ HTX | HTX | HTX | normalised
+ v v v interface
+ +------+ +--------+ +--------+
+ |applet| | HTTP/1 | | HTTP/2 | whatever layer (called mux for now
+ +------+ +--------+ +--------+ but may change once we have others,
+ cache | | | | could be presentation in OSI)
+ stats | +----------+ |
+ Lua svc | | TLS | | transport layer
+ | +----------+ |
+ | | |
+ +---------------------+
+ | TCP/Unix/socketpair | control layer
+ +---------------------+
+ |
+ +----------------------+
+ | file descriptor | socket layer
+ +----------------------+
+ |
+ +-----------+
+ | operating |
+ | system |
+ +-----------+
+
2. Configuring HAProxy
----------------------
--
2.20.1
