I’m especially interested in experience using ssh for scripts
What makes you interested in Tectia over OpenSSH? I’d struggle to think of a reason not to use OpenSSH, considering it’s high-quality and well-supported.
Speaking of other SSH implementations… remember ssh.com? And GNU lsh? (There’s also some things like Java implementations and curl’s, but those were the main competitors as I remember them.)
ssh.com is tectia.
I’m curious about experience with performance, security, and reliability. Openssh fails randomly for me at tolerable but annoying frequency.
Can you give us some more detail on the problems you have with OpenSSH?
I know that it’s not ideal for certain workloads (see, eg, the HPN patches), but if it’s failing that sounds like bug(s) that should be reported?
I’m just a user of a ssh structured system that has intermittent failures that seem tied to ssh performance under load.
I’d forgotten about lsh, but it still sees the odd bit of activity. Wikipedia has a tidy summary of available clients.
Diversity is good, but I can’t see any reason to use anything other than OpenSSH (heck, Microsoft even has their own port).
At the very least, avoiding a monoculture around a single implementation is probably a good security strategy.