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Comments to draft-ietf-v6ops-802-16-deployment-scenarios-00



Hi,

I just remembered that I was supposed to review the document in
questions. I had many questions and comments, so I took here only the
ones that I thought were the most critical.

1) I'm not sure what network this document is describing. At least, I
couldn't recognize Wimax from this document. Is this WiBro or is this a
general 802.16(e) network as described in the IEEE 802.16(e) specs
without a system specification?

2) How is this connected to the 16ng WG work?

3) I'm not sure if the document is describing really IPv6 deployment
scenarios, 802.16 network architecture options, 802.16 deployment
scenarios, or provides more of a tutorial to 802.16. There are many
things explained and discussed that seem to be more of a study of 802.16
itself. Or maybe I'm just confused myself (good probability).

4) Title, "ISP IPv6 Deployment Scenarios in Wireless Broadband Access
Networks", might be a bit misleading. The document discusses actually
about 802.16(e) wireless networks and other wireless broadband access
networks are not considered. Maybe "IPv6 Deployment Scenarios in 802.16
(e) networks" would be a better title.

5) Section 2.2: A Cellular-like Deployment Model "All original IPv6
functionalities will not survive and some of them might be compromised
to efficiently serve IPv6 to this 'Cellular-like' use case." 
I couldn't quite understand this. Maybe rephrasing would be in order.

6) Section 2.2: A Cellular-like Deployment Model "In particular, IEEE
802.16e working group standardized such mobility features and the
specification of IEEE 802.16e provides some competition to the existing
cellular systems."
I wonder how useful the information that the author believes that
802.16e is competing with existing cellular systems. This document
should be about deploying IPv6 over IEEE 802.16, in my opinion - not a
business outlook...

7) Section 2.2: " Under the use case, however, IEEE 802.16 standards are
still IP-centric, providing packet-switched approach, while cellular
standards like GSM have a more circuit-switched approach." 
I wonder if this comparison should be here. Especially, as GPRS provides
a packet based service over GSM and WCDMA radios. Anyways, I think this
info does not help to understand the IPv6 issues in 802.16e networks.

Cheers,

Jonne.
-- 
Jonne Soininen
Nokia

Tel: +358 40 527 46 34
E-mail: jonne.soininen@nokia.com