Saturday, March 22, 2014

Ubuntu 13.10 with TCP-IR (TCP Instant Recovery / FEC) enabled kernel v3.4.83

How would FEC (Forward Error Correction) enabled TCP/IP stack for Linux sound like? Yep, I know you're interested and want it. Start by checking these two links.
http://www.ietf.org/proceedings/87/slides/slides-87-tcpm-8.pdf
http://tools.ietf.org/html/draft-flach-tcpm-fec-00

Wednesday, March 19, 2014

Digi One, PortServer etc. and double enter problem

There's annoying problem with Digi RS232 - Ethernet products (also sold BlackBox branded). Many if not most telnet clients are incompatible with their server implementation and treat single enter press as two enter presses. Incompatible clients are at least SecureCRT, Putty and one Microsoft includes with Windows. Teraterm works ok.