diff --git a/SRC/AUTHORS b/SRC/AUTHORS index 63e0b09..17c1302 100644 --- a/SRC/AUTHORS +++ b/SRC/AUTHORS @@ -28,6 +28,9 @@ adaptation to the new API, which allows IPv6. Luca Deri for the patch separating kernel (TCP) and application latency. +Andy Juniper for the patch which excludes +outliers from averages and from bug fixes on statistical calculations. + SourceForge for the very good environment to work with. SourceForge changed the life of many free software programmers! diff --git a/SRC/echoping.1.in b/SRC/echoping.1.in index e6d2a53..904a023 100644 --- a/SRC/echoping.1.in +++ b/SRC/echoping.1.in @@ -111,6 +111,11 @@ Use only IPv4 (even if the target machine has an IPv6 address) Use only IPv6 (even if the target machine has an IPv4 address) .IP -f\ character Fill the packet with this character (default is random filling) +.IP -D +Tries to display actual data transfer duration only, not total time +.IP -N\ n +Displays an average which excludes values ("outliers") which are +further than +/- N*standard deviation .IP -p\ n Send packets with the socket priority to the integer .IR n . diff --git a/Web/details.wml b/Web/details.wml index 880b9aa..c65ee6b 100644 --- a/Web/details.wml +++ b/Web/details.wml @@ -118,3 +118,11 @@ good to read. I appreciate RFC 2330 and 3148. TCP/IP Internets and Interconnected Devices"), specially its "Benchmark" section and the Richard Stevens' books (all of them), published by Addison-Wesley. + +

Last, but not least, since statistics is typically a very neglected +area in computer networks, Basic +Statistics is a fery useful resource. For the reasons why echoping +displays median as well as average, see Mean +Delay Considered Harmful.