The IP Over NBMA (ION) Archive

[Kenichi NAGAMI <nagami@backyard.wide.toshiba.co.jp>]

>> >> >>                src ---> R1 -----> R2----->CSR ---> R3----> dst
>> >> >>                         ^                  |
>> >> >>                          \----<-------<---/
>> 
>> PATH message is looping (src->R1->R2->CSR->R1->..) . 
>> So, previous hop of Path state at R1 is flapping (Previous hop of R1
>> are src or CSR.) .
>> RESV message arrive R1 ,when previous hop of R1 is CSR. 
>> R1 send RESV message toward CSR. This makes loop , I think.

>> Ah, OK, yes.

>> Then, as the Path state flips, the cell loop is formed and released
>> and looping data will be discarded.

It is *high possibility* that the cell loop is discarded.
Because RESV message is gone in the loop, when R1 send RESV message
toward src .

Kenichi Nagami