Hi Cheng,
Sorry for the late reply!
This is a good question and I had proposed this issue when I replied the
adoption call.
I think it is appropriate to carry the information using PCEP-LS encoding such
as the LS object.
These TLV extensions is used to advertise the PCE-controlled ID spase to a PCE
and the LS Object is also used to report the information to a PCE.
And both the two drafts are experimental.
Thanks,
Quan
<Echo request 😊
<Hope to have your valuable suggestions!
<Thanks,
<Cheng
<From: Cheng Li "><[email protected]>Sent: Thursday, June 20,
2024 11:46 AM
<To: [email protected]: [Pce] Where the Controlled ID info shuold be
carried/encoded?
<Hi Guys，
<Thank you so much for your helpful review and comments of our draft
draft-ietf-pce-controlled-id-space.
<In the WG adoption, I can summarize our discussion into the below bullets,
hope they are correct,
< 1. The draft is useful, and the mechanism defined in the draft is needed, we
should work on it. (Thanks!)
< 2. We need to discuss the where the info should be carried in the PCEP. Open
Object seems not so good ☹
< 3. TLV encoding should be updated to be more generic or let's avoid the
generic description and define specific sub-TLVs as needed.
<I see the reasons why we decided to carry the info in PCEP Open Object,
because it is a device-wide configuration info, which should not be modified in
the running state. We may face a lot of trouble of removing some IDs and then
modify the range in a running network. However, we may also need to handle the
negotiation between PCC and PCE? Therefore, I am also concerning about this.
I like to hear your voice on this, which object/msg is appropriate to carry the
info? I am open with other options.
Possible options could be
l Open message
l Use PCEP-LS encoding and make this a node attribute
l New type of notification
l New message/object
Once we get the conclusion of this, we can go to the bullet 3, which is much
easier that bullet 2. IMHO, I will prefer to define sub-TLVs one by one, this
can decouple the relations between IDs, though we may need to delete the
'generic' words.
Thoughts?
Cheng
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