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[ANCP] Question about the ANCP high-level architecture
Folks,
My question is regarding the following picture of the high level ANCP
architecture:
+--------+
| Policy |
| Server |
+--------+
|
|
+-----+ +-----+ +--------+ +-----+ +----------+
| CPE |---| HGW |---| | | | | |
+-----+ +-----+ | Access | +---------+ | | | Regional |
| Node |---| Aggreg. |---| NAS |---| Network |
+-----+ +-----+ | | | Node | | | | |
| CPE |---| HGW |---| | +---------+ | | | |
+-----+ +-----+ +--------+ +-----+ +----------+
The policy server is attached to the NAS only.
A couple of observations about the AN:
. it is shared between multiple HGWs that don't know/trust each other
. it is the first candidate for enforcing link sharing policies (e.g. bandwidth
allocation) between subscribers attached to those HGWs
Such policy is applicable to HGWs connected to the same AN.
There may be other policy information still live in the NAS policy server.
The picture could look more like:
+--------+ +--------+
| AN | | NAS |
| Policy | | Policy |
| Server | | Server |
+--------+ +--------+
| |
| |
+-----+ +-----+ +--------+ +-----+ +----------+
| CPE |---| HGW |---| | | | | |
+-----+ +-----+ | Access | +---------+ | | | Regional |
| Node |---| Aggreg. |---| NAS |---| Network |
+-----+ +-----+ | | | Node | | | | |
| CPE |---| HGW |---| | +---------+ | | | |
+-----+ +-----+ +--------+ +-----+ +----------+
comments?
Kais
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