From: GhantaKrishnamurthy MohanKrishna <mohan.krishna.ghanta.krishnamur...@ericsson.com> Date: Thu, 19 Apr 2018 11:06:17 +0200
> Systematic measurements have shown that an emulated MTU of 14k for > UDP bearers is the optimal value for maximal throughput. Accordingly, > the default MTU of UDP bearers is changed to 14k. > > We also provide users with a fallback option from this value, > by providing support to configure MTU for UDP bearers. The following > options are introduced which are symmetrical to the design of > confguring link tolerance. > > - Configure media with new MTU value, which will take effect on > links going up after the moment it was configured. Alternatively, > the bearer has to be disabled and re-enabled, for existing links to > reflect the configured value. > > - Configure bearer with new MTU value, which take effect on > running links dynamically. > > Please note: > - User has to change MTU at both endpoints, otherwise the link > will fall back to smallest MTU after a reset. > - Failover from a link with higher MTU to a link with lower MTU There are many negatives to using UDP in a way which causes fragmentation, like this code now does. But whatever, you guys can do whatever you want and get to keep the pieces I guess :-) Series applied.
