Re: [OpenAFS] tcpoob timeline

2012-10-27 Thread Simon Wilkinson
On 26 Oct 2012, at 23:40, Jeffrey Altman wrote: I have significant concerns about the design of TCP OOB as it was described at EAKC2012. On the contrary, I think Out of Band support for AFS is a very interesting prospect. As I discussed with Andrew and Hartmut in Edinburgh, I think we could

Re: [OpenAFS] tcpoob timeline

2012-10-27 Thread Harald Barth
Simon wrote: On the contrary, I think Out of Band support for AFS is a very interesting prospect. At PDC, an infiniband based infrastructure carries bulk data inside clusters, between clusters and between clusters and file servers (Lustre). It uses the native infiniband transport. It would be

[OpenAFS] Re: tcpoob timeline

2012-10-27 Thread Andrew Deason
On Sat, 27 Oct 2012 16:31:59 +0100 Simon Wilkinson simonxwilkin...@gmail.com wrote: I do believe that we can make the current RX implementation significantly faster - and that this will aid both bulk and metadata operations. However, it is unlikely that we can ever reach the raw performance

[OpenAFS] Re: tcpoob timeline

2012-10-27 Thread Andrew Deason
On Fri, 26 Oct 2012 18:40:38 -0400 Jeffrey Altman jalt...@your-file-system.com wrote: Between AFS2 and AFS3 a decision was made to switch to UDP because the file servers could not maintain enough open tcp connections to serve all of the clients. While we might believe the days of TCP socket

Re: [OpenAFS] tcpoob timeline

2012-10-27 Thread Troy Benjegerdes
On Fri, Oct 26, 2012 at 06:40:38PM -0400, Jeffrey Altman wrote: On 10/26/2012 5:03 PM, Andrew Deason wrote: On Wed, 17 Oct 2012 10:45:05 +0200 To provide a sense of ordering... rxgk standards work will definitely precede tcp oob, though rxgk implementation may or may not. After rxgk, some