1. GeneRic Autonomic Signaling Protocol draft-ietf-anima-grasp-081
GeneRic Autonomic Signaling Protocol draft-ietf-anima-grasp-08
Brian Carpenter (editor)
Bing Liu (editor)
Carsten Bormann
IETF 97
November 2016 1 1 1

2. Topics
Main changes since draft-carpenter-anima-gdn-protocol-06 and WGLC
Status of prototype code
Open issues
Discussion, next steps

3. Main Changes (1) Added TTL field to Flood message
draft-ietf-anima-grasp-07 (before WGLC):
Added TTL field to Flood message
Added Locator option to Flood and Discovery Response messages
Added description of limited security GRASP instances
Other clarifications and editorial improvements

4. Main Changes (2)
draft-ietf-anima-grasp-08 (after WGLC):
Added M_INVALID message (and short discussion of extensibility)
Increased Session ID to 32 bits
More rules to avoid Session ID clashes
Corrected explanation of port used for Discovery Response
Note that Discovery message could be sent unicast in special cases
Specified default maxium message size 4

5. Main Changes (3)
draft-ietf-anima-grasp-08 (after WGLC):
Corrected and completed description of timeouts for Request messages
Improved wording on exponential backoff and DoS
Clarified that discovery relaying is not done by limited security instances
Added example messages (appendix)
Added some explanatory text
Editorial improvements 5

6. Python prototype Updated for all recent changes
Portable between Windows 7 and Linux
Two toy ASAs to test negotiation across the network, Briggs.py and Gray.py
Also used to model usage for draft-ietf-anima- bootstrapping-keyinfra 6

7. Open Issues No technical issues known
Normative reference to informative draft (CDDL). Needs to be fixed before RFC publication

8. Discussion + next steps
GRASP Protocol Ready for the IESG?
Continue the GRASP API work while GRASP is stable
draft-liu-anima-grasp-api-02
Consider updating the other prototype (C language coded, independent with Brian’s python prototype)