[Apn] APN Policy Enforcement

[Hesham ElBakoury <[e-mail]>]

Hi,

My understanding from APN drafts is that policies are defined at Policy
Definition Point (PDP) and get configured in Policy Enforcement
Points  (PEP) using CLI or SDN or distributed to PEP using a protocol.

When a PEP receives a packet what fields in APN header it uses to find the
right policy to apply to the packet? One of the main APN goals is to avoid
using DPI or 5-tuple to find the right policy to use. Therefore, the length
of these fields in APN header should be much shorter than the length of the
5-tuple.

To avoid configuring policies to PEP, can the entry point of the APN domain
embed these policies in the APN header ? For example these policies can be
part of the Intents field of the header.

Thanks
Hesham