I changed the sequence number to 16 bits .Thank you. I have another question. I see the CTP uses different macs. CSMA and Box-mac . How to specify each of those while performing the experiment. How to distinguish which Mac is being used?
thank you, Nicole On Mon, Feb 7, 2011 at 8:16 AM, Omprakash Gnawali <gnaw...@cs.stanford.edu>wrote: > On Sun, Feb 6, 2011 at 2:12 PM, Nicole Chiesi <nicole.chi...@gmail.com> > wrote: > > I have just a question . It is written in the tep 123 that "Together, > the > > origin, seqno and collect_id fields denote a unique *origin packet.*" . > > However if we want to analyse the CollectionDebugMessage , it is seen > that > > after every 255 messages sent or received , the sequence number restarts. > So > > e.g If I want to analyse a node 1 , if it sends data more than 255 > packets > > then , it is bound to have two or more messages with same origin and > > sequence number. So , analysis of the CollectionDebugMessage is bit out > of > > hand here for me. It is such that , the msg_origin in the CtpDebugMsg.h > is a > > 16 bit , while the originseqno of ctp data frame which writes to it is 8 > bit > > . If I make the ctp data frame to 16 bit as well then I can analyse the > > CollectionDebugMessage . I was wondering if I change the bit of the data > > frame affects the performance of ctp. > > Another question is , if I am to avoid that , how can I go about > analysing > > the CollectionDebugMessage? > > > It is fine to increase the size of the sequence number to 16 bits to > make your analysis easier. Otherwise, you will need to write code to > detect sequence number wrap around. > > - om_p >
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