> -----Original Message----- > From: jamal [mailto:hadi@xxxxxxxxxx] > > On Thu, 2004-07-29 at 09:24, Eble, Dan wrote: > > Even if STP were implemented in user space, this part > should be done in > > the kernel to make sure that there is no window of time for > a packet to > > be received or transmitted after the link state changes. > > Your main problem there would be STP convergence time. Transfering the > packet to user space and reacting should be several factors > of magnitude > faster than it takes STP to converge. > The STP state should stay in the kernel. Control of it and > BPDU handling > is what i am suggesting to take out. Is the time it takes STP to converge really the issue in this case? When a port loses and then regains carrier, it needs to enter the Blocking state without delay. If the carrier state change were handled by a daemon, the bridge driver would have some time to transmit or receive packets via that port before the daemon could tell it to block the port, wouldn't it?
