Hi,

I’ve read the threads, and to avoid the long email page I try to summarize my 
opinions below.

1. I also support making this document Informational or Experimental.

2. Through the discussions, I feel that even IPsec experts will have 
inconsistencies and ambiguities in their understanding of the reasons currently 
defined. Without clear definition and consistent understanding, this delete 
reason hint may be misguiding. I suggest that we summarize the common 
situations/reasons of the SA deletion, and give more details about these 
situations, i.e., explaining the delete reasons better, to ensure everyone 
having the same understanding.

3. Regarding the “Delete Reason Text”, I have no concern with the language 
issue, because it’s only a hint, and you can use it if you understand it and 
ignore it if you don’t. But my concern is what if you can understand the text 
but it is inconsistent with the “Delete Reason Type”, then which one should be 
considered true. So my suggestion is to not have this text field in the first 
available version, or to make it optional and not use it when a specific delete 
reason type is given. I.e., we should use the “Delete Reason Type” as much as 
possible.

Regards & Thanks!
Wei PAN (潘伟)

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