SmokePing is a latency logging and interactive graphing system, for ICMP pings and many other protocols (DNS, SSH, SIP, HTTP and more). The main daemon process organizes latency measurements, records them in an RRDtool database, and optionally sends email alerts based on various criteria. The CGI/FastCGI program presents the graphs and optionally allows remote control via a master/slave protocol (allowing aggregation of data from multiple test locations in a single server).
WWW: http://oss.oetiker.ch/smokeping/
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