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Article posted on Apr 22
2ping 2.0 released
- Posted by Ryan Finnie on April 22, 2012, 8:14 pm
2ping 2.0 has been released today. User-visible changes are minor, but behind the scenes, a major update to the protocol specification has been implemented, justifying the major version bump:
- Updated to support 2ping protocol 2.0
- Protocol 1.0 and 2.0 are backwards and forwards compatible with each other
- Added support for extended segments
- Added extended segment support for program version and notice text
- Changed default minimum packet size from 64 to 128 bytes
- Added peer reply packet size matching support, turned on by default
- Added extra error output for socket errors (such as hostname not found)
- Added extra version support for downstream distributions
- Removed generation of 2ping6 symlinks at "make all" time (symlinks are still generated during "make install" in the destination tree)
2ping is a bi-directional ping utility. It uses 3-way pings (akin to TCP SYN, SYN/ACK, ACK) and after-the-fact state comparison between a 2ping listener and a 2ping client to determine which direction packet loss occurs.
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