Hello folks,
I am in the process of reviewing the FPC document. It is an important
document and will be foundational for subsequent work in [dmm]. I would
like to suggest a change in terminology. I think the way "Port" is
currently defined in the document is very confusing, because it is not
very intuitively related to the traditional uses of "port" as in TCP, or
in switches.
As I understand it, "Policy" lives on the control plane side of the
interface, and "Port" is intended to denote a concept that is important
on the data plane side of the interface. "Flow" is another word that is
closely tied to the data plane, and it seems to me that as currently
defined in the document a "Port" is a collection of flows that
correspond to a specific Policy or Policy Group.
So, I would like to propose that the word "Port" should be replaced by
the term "Flow Group". Another alternative would be "Flow Policy
Group", which could then be abbreviated FPG. However, the latter has the
perhaps undesirable effect of tying the word "Policy" to a data-plane
concept.
Thanks for any comments on this proposal to modify the terminology.
I think it is important to make the terminology as unambiguous and
intuitive as we possibly can, especially because the document is
necessarily written at a high level of abstraction.
Regards,
Charlie P.
On 10/31/2016 9:54 AM, [email protected] wrote:
A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Distributed Mobility Management of the IETF.
Title : Protocol for Forwarding Policy Configuration (FPC)
in DMM
Authors : Satoru Matsushima
Lyle Bertz
Marco Liebsch
Sri Gundavelli
Danny Moses
Filename : draft-ietf-dmm-fpc-cpdp-05.txt
Pages : 153
Date : 2016-10-31
Abstract:
This document describes the solution of data-plane separation from
control-plane which enables a flexible mobility management system
using agent and client functions. To configure data-plane nodes and
functions, the data-plane is abstracted by an agent interface to the
client. The data-plane abstraction model is extensible in order to
support many different type of mobility management systems and data-
plane functions.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-dmm-fpc-cpdp/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-dmm-fpc-cpdp-05
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-dmm-fpc-cpdp-05
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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