On Thu, 2006-09-14 at 09:49, Yang Peng wrote: > Hi, > > Dose anybody meet cycle routing problem when using Multihop as routing > engine? > It seems easy to break cycle between two nodes, but if the cycle works > between three or more nodes, how to break it? > > Can anybody give me a hint? > > Thank you for your time!
The Collection Tree Protocol (CTP), described in TEP 123, outlines one approach. Each data packet contains the single hop transmitter's estimate of its position in the routing gradient; if a node receives a packet which seems to be from closer to the root, a loop might have occurred and it takes steps to break the loop. Phil _______________________________________________ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help