On Aug 13, 2014, at 12:52 PM, George Bosilca <bosi...@icl.utk.edu> wrote:
> There are many differences between the trunk and 1.8 regarding the TCP BTL. > The major I remember about is that the TCP in the trunk is reporting errors > to the upper level via the callbacks attached to fragments, while the 1.8 TCP > BTL doesn't. > > So, I guess that once a connection to a particular endpoint fails, the trunk > is getting the errors reported via the cb and then takes some drastic > measure. In the 1.8 we might fallback and try another IP address before > giving up. Does that has any effect on performance? I.e., should we bring this change to v1.8? Or, put simply: which way is Right? -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
