NNCPDEADLINE

[nncp.git] / doc / sp.texi

diff --git a/doc/sp.texi b/doc/sp.texi
index ef00f63404bc3b80221d3e62a2e4b9ec40f4289d..e7f4895c67f43c539915046887c1252d2de573b2 100644 (file)
--- a/doc/sp.texi
+++ b/doc/sp.texi
@@ -12,6 +12,11 @@ high-delay links, so acknowledging of each received packet, like
 @url{https://en.wikipedia.org/wiki/XMODEM, XMODEM} does, causes
 unacceptable performance degradation.
 
+Internally it uses various timeouts and deadlines. One of them used
+extensively is 10 seconds default deadline timeout. You can override it
+with @env{$NNCPDEADLINE} environment variable, that could be useful with
+very high delay links.
+
 SP works on top of
 @url{http://noiseprotocol.org/noise.html#interactive-patterns,
 @code{Noise_IK_25519_ChaChaPoly_BLAKE2b}} protocol. Each Noise packet
@@ -154,7 +159,7 @@ just an unsigned integer telling what body structure follows.
 
 Typical peer's behaviour is following:
 
-@verbatiminclude sp.utxt
+@verbatiminclude sp.plantuml.txt
 
 @enumerate
 @item Perform @emph{Noise-IK} handshake:
@@ -182,7 +187,7 @@ payloads, then send all of remaining in the transport stage.
     Ignore it if it is too nice.
     @item If already downloaded file exists, then queue @emph{DONE}
     sending.
-    @item If @file{.seen} exists, then queue @emph{DONE} sending.
+    @item If @file{seen/XXX} exists, then queue @emph{DONE} sending.
     @item If @file{.part} exists, then queue @emph{FREQ} sending with
     corresponding offset.
     @end itemize