Byron A Jeff wrote: > It feels like you picked the primary/secondary model out of thin air. > Token passing is more flexible and also eliminates contention. True, but it comes with its own set of problems. If a node goes down and doesn't pass on the token things get messy, especially in a pure peer to peer environment. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist