F5 uses Tcl as the interpreter for iRules. Many people often ask why that is. This questions is usually followed up by an immediate, "Why not Perl?" or "Why not Java" or "Why not <fill in my preferre...
Very well written. Which version of Tcl did you use? How are you staying current? CyberGuard/Secure Computing's SnapGear switches were implemented using Tcl for a great many functions.