Re: [RPRWG] a problem about MCF
I can talk about the intent of the standard, a fair question is
whether the appropriate text is in place.
When a wrapping ring unwraps, all frames with the wrong RI need to
be flushed from the ring. This will clear the MCF fairness frames
as well.
mike
h17031 wrote:
> Dear all£¬
>
> In 802.17 draft, there is a problem about MCF, please see the attached
> file MCF_problem.ppt. Node S1 send a MCF with TTL equal 255 in outer
> ring, after wrap from node S3 to the inner ring, its TTL equal 253. If
> the ring is switch to normal before the MCF wrap from node S4 to outer
> ring, then the MCF with TTL equal 253 will run in the inner ring forever.
>
>
> Please tell me how to fix this problem?
>
>
>
> ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
> Best Regards,
--
Michael Takefman tak@xxxxxxxxx
Manager of Engineering, Cisco Systems
Chair IEEE 802.17 Stds WG
2000 Innovation Dr, Ottawa, Canada, K2K 3E8
voice: 613-254-3399 cell:613-220-6991