On Thu, May 19, 2016 at 03:54:37AM +0000, Wenyu Zhang wrote: > On 5/17/16, 3:43 AM, "Ben Pfaff" <b...@ovn.org> wrote: > >I do not understand IPFIX very well, so here is another question: when > >we add new fields to a template, does existing software that understood > >the previous template remain compatible with the new one? > > Wenyu: According RFC(7011), IPFIX export need send templates to the > collector periodically, and the collector should decode the data according > the newest templates received. > So the templates can be changed dynamically, the collector should > decode all fields, including the new field correctly. > > And considering that the new field is an enterprise element, not a > standard element. The existing software may not know the meaning of the > new field, but it should know the existing fields which are in both the > old templates and new templates.
Thanks, that is reassuring. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
