Re: FW: I-D Action: draft-ietf-dmm-deployment-models-01.txt

Please see inline,

On Wed, Sep 20, 2017 at 4:12 PM, Seil Jeon <[email protected]> wrote:

> Hi Xuan,
>
>
>
> Thanks for your comments.
>
> Please see inline.
>
>
>
> Regards,
>
> Seil Jeon
>
>
>
>
>
> *From:* Do Truong Xuan [mailto:[email protected]]
> *Sent:* Wednesday, September 20, 2017 12:19 AM
> *To:* [email protected]; [email protected]
> *Subject:* Re: [DMM] FW: I-D Action: draft-ietf-dmm-deployment-
> models-01.txt
>
>
>
>
> Dear Seil !
>
> I have some comments on deployment architecture document as follows:
>
>
>
> + In the Figure 1, the authors mentioned about primitive function "NSH
> classifier" supported by H-DPA or A-DPN, could you elaborate more how this
> service could support DMM.
>
> NSH classifiers (for SFC) will at data-plane entities, i.e., DPA and/or
> DPN, which will be deployed in a distributed manner.
>
> For the functionality of DPA and DPN in terms of SFC, you can find what
> context data is maintained by the FPC Agent at 4.3.2.1. and 4.3.2.2. in
> https://tools.ietf.org/html/draft-ietf-dmm-fpc-cpdp-08
>
>  ==> IMO, I don't see any relations between NSH classifiers and mobility
> management
>
> + Other service primitive such as IP management, IP anchoring,
> mobility controller deserve more explanation to better understand the
> DMM functions
>
> IP management means IP address assignment and management. The mobility
> controller itself is given to call a control entity which can be different
> depending on the model introduced. In Model-3, we call the combined
> home-CPA and access-CPN a mobility controller. In the on-demand control
> plane orchestration mode, it is called an orchestrator of all the
> mobility-related control-plane and data-plane anchors/nodes.
>
>  ==> OK
>
> + In Section 4.3, model 3, IMO this is centralized architecture for
> signaling and distributed for data plane functions similar to SDN
> architecture. However, in description text, authors  wrote "this is a flat
> architecture" --> need more elaboration
>
> You need to look at the relationship between the access node and home-DPA
> for the meaning of “flat architecture”.
>
>  ==> maybe H-DPA and A-DPN are distributed but how about control plane,
> you mean flat arch is only for dataplane
>
> Some other spelling errors:
>
> + in Section 3.2.1, homd-dpa --> home-dpa
>
> Wow! Will be fixed in a next update.
>
>
>
>  + Section 3.2.5, DMM function --> DMM functions
>
> O.K
>
>
>
> BRs,
>



-- 

*Truong-Xuan, Do*

PHD Candidate

DCN Lab, Soongsil University

(+82) 10 4473 6869

[email protected]

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