Hi Sheng, On Mon, May 21, 2018 at 6:23 PM, Sheng Jiang <jiangsheng@xxxxxxxxxx> wrote: > Minor issue: There are many unused reference. However, they are not simple Nits > and cannot be fixed by deleting them from reference list. Many of these unused > reference are really relevant and should have some content to describe the > relationship with the mechanism or scenario of the document, such as RFC6296 > NAT66, etc. Thanks a lot for your review. I'll update the draft to address this issue - the new version will be posted later on this week. -- SY, Jen Linkova aka Furry