Dear Zhen, Thanks very much for your review. We will update the draft based on the comments and submit a new revision. best Jiazi > On 9 May 2017, at 10:47, Zhen Cao <zhencao.ietf@xxxxxxxxx> wrote: > > Reviewer: Zhen Cao > Review result: Ready with Issues > > I am an assigned INT directorate reviewer for this draft. These > comments were written primarily for the benefit of the Internet Area > Directors. Document editors and shepherds should treat these comments > just like they would treat comments from any other IETF contributors > and resolve them along with any other Last Call comments that have > been received. For more details of the INT directorate, see > <http://www.ietf.org/iesg/directorate.html>. > > I believe this document is ready to publish almost as it is. > > One issue I found during my review lies in Sec. 8.4 where IPv4 loose > source routing being discussed. To avoid unnecessary fragmentation, I > am suggesting the following wording change: > > S/ If the length of the path (n) is greater than MAX_SRC_HOPS > (Section 5), only the "key" routers in the path are kept... > / If the length of the path (n) is greater than MAX_SRC_HOPS > (Section 5), or the adding of source routing header exceeds the > path MTU, > only the "key" routers in the path are kept... > > Cheers, > Zhen > > >