Re: [STDS-802-16] [MMR-AH-UM] Some comments for joint contributions of usage model
Dear Jen-Shun and all,
Whether to use centralized or distributed the relay path selection mechanism is a technical issue and is too specific. I don't think it should be included in this usage model document.
Best regards,
Kaibin Zhang
-----Original Message-----
From: Jen-Shun Yang [mailto:jsyang@ITRI.ORG.TW]
Sent: Wednesday, June 14, 2006 1:47 PM
To: STDS-802-16@LISTSERV.IEEE.ORG
Subject: [STDS-802-16] [MMR-AH-UM] Some comments for joint contributions of usage model
Dear Jerry,
Thanks for your great efforts.
Regarding the Chapter 5.3 "Types of Routes", I would like to have the
comments as below:
1. To distinguish MMR’s topology from Mesh topology, it is not clear if we
said the MMR’s topology is only tree-like topology; because the mesh
network could be a tree-like topology too.
2. Actually, I think the "centralized relay path selection by MMR-BS" is
the major difference to distinguish MMR’s topology from Mesh topology, and
we should not allow the distributed routing protocols implemented in each
RS due to the connection oriented characteristics in MMR. It will worsen
the complexity if we allow the implementation of distributed routing
protocols.
3. Therefore, I would like to make a revision to the following sentence
written in the second paragraph of chapter 5.3.
Original sentence:
It should be noted that even when multiple routes are enabled between the
RSs, the overall topology is still tree-like because all data
communications are between the MMR-BS and MSs and this usage does not
violate the scope as defined in 802.16j PAR.
Revised sentence:
It should be noted that even when multiple routes are enabled between the
RSs, the overall topology is still tree-like and applying centralized relay
path selection by MMR-BS, because all data communications are between the
MMR-BS and MSs and this usage should not violate the scope as defined in
802.16j PAR.
Best Regards,
Jen-Shun Yang (Tonny Yang)
ITRI/ICL
TEL: +886-3-5914616
email: jsyang@itri.org.tw
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