I am referring to section 4 of the draft not section 3. Inbound based I have no doubt. Thanks Tim
On Wed, 13 Mar 2019, 14:32 Robert Raszuk, <[email protected]> wrote: > > Policy filtering I described happens on inbound so impact for update > generation is null. > > Thx, > R. > > > > On Wed, Mar 13, 2019 at 3:28 PM Yu Tianpeng <[email protected]> > wrote: > >> Hi authors, >> I am wondering what is the impact on update peer groups of use outbound >> processing? >> Thanks in advance >> Regards, >> Tim >> >> On Wed, 13 Mar 2019, 13:30 Robert Raszuk, <[email protected]> wrote: >> >>> Hi, >>> >>> > But what we refer here to those ASs that have a connection with the >>> local AS. >>> >>> Each decently managed AS today has strong EBGP ingress policy permitting >>> only specific prefixes with specific AS-PATH which is applied in ingress to >>> ISP network. No more enhancement to this policy is required. >>> >>> What you are proposing is actually much weaker model as compared to what >>> is in place already today by those which care. And those which do not care >>> would not apply this scheme anyway. >>> >>> Many thx, >>> R. >>> >>> >>> >>> >>> >>> >>> On Wed, Mar 13, 2019 at 11:13 AM Zhuangshunwan <[email protected]> >>> wrote: >>> >>>> Hi Robert, >>>> >>>> >>>> >>>> Thanks a lot for the comment! >>>> >>>> >>>> >>>> Please find reply inlines with [Shunwan]. >>>> >>>> >>>> >>>> Best Regards, >>>> >>>> Shunwan >>>> >>>> >>>> >>>> >>>> >>>> *From:* GROW [mailto:[email protected]] *On Behalf Of *Robert >>>> Raszuk >>>> *Sent:* Tuesday, March 12, 2019 7:48 AM >>>> *To:* [email protected] >>>> *Subject:* Re: [GROW] I-D Action: >>>> draft-chen-grow-enhanced-as-loop-detection-00.txt >>>> >>>> >>>> >>>> Dear authors of draft-chen-grow-enhanced-as-loop-detection, >>>> >>>> >>>> >>>> The draft says: >>>> >>>> >>>> >>>> " At this point, AS 200 *can lookup the local resource database* and >>>> >>>> check whether there is a real AS relationship between the local AS >>>> >>>> and the left AS and the right AS" >>>> >>>> >>>> >>>> Can you please share a pointer to any database or accurate public >>>> oracle where anyone could check if peering relation found in the AS-PATH is >>>> valid or invalid ? >>>> >>>> [Shunwan] Sorry, I can't. But what we refer here to those ASs that >>>> have a connection with the local AS. >>>> >>>> From the perspective of the local AS, it can manage/hold the >>>> AS-relationship database between the local AS and each of those ASs (such >>>> as C2P, P2P, P2C, etc.). >>>> >>>> >>>> >>>> Just over the last few months I connected my AS to number of Tier1 ISPs >>>> in few of my experimental POPs, but never reported that peering >>>> establishment to anyone. Then I have a question - how any (public) database >>>> would accurately reflect any global BGP peering relation to be used >>>> anywhere for filtering of BGP updates ? >>>> >>>> [Shunwan] This is indeed a difficult problem to be solved, and we also >>>> want to know how to solve it. >>>> >>>> Thanks again! >>>> >>>> >>>> >>>> Kind regards, >>>> >>>> RR. >>>> >>>> >>>> >>>> On Tue, Mar 12, 2019 at 12:27 AM <[email protected]> wrote: >>>> >>>> >>>> A New Internet-Draft is available from the on-line Internet-Drafts >>>> directories. >>>> >>>> >>>> Title : Enhanced AS-Loop Detection for BGP >>>> Authors : Huanan Chen >>>> Yunan Gu >>>> Shunwan Zhuang >>>> Haibo Wang >>>> Filename : >>>> draft-chen-grow-enhanced-as-loop-detection-00.txt >>>> Pages : 9 >>>> Date : 2019-03-11 >>>> >>>> Abstract: >>>> This document proposes to enhance AS-Loop Detection for BGP Inbound/ >>>> Outbound Route Processing. >>>> >>>> >>>> >>>> The IETF datatracker status page for this draft is: >>>> >>>> https://datatracker.ietf..org/doc/draft-chen-grow-enhanced-as-loop-detection/ >>>> <https://datatracker.ietf.org/doc/draft-chen-grow-enhanced-as-loop-detection/> >>>> >>>> There are also htmlized versions available at: >>>> >>>> https://tools.ietf.org/html/draft-chen-grow-enhanced-as-loop-detection-00 >>>> >>>> https://datatracker.ietf.org/doc/html/draft-chen-grow-enhanced-as-loop-detection-00 >>>> >>>> >>>> Please note that it may take a couple of minutes from the time of >>>> submission >>>> until the htmlized version and diff are available at tools.ietf.org. >>>> >>>> Internet-Drafts are also available by anonymous FTP at: >>>> ftp://ftp..ietf.org/internet-drafts/ >>>> <ftp://ftp.ietf.org/internet-drafts/> >>>> >>>> _______________________________________________ >>>> I-D-Announce mailing list >>>> [email protected] >>>> https://www.ietf.org/mailman/listinfo/i-d-announce >>>> Internet-Draft directories: http://www.ietf.org/shadow.html >>>> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt >>>> >>>> _______________________________________________ >>> GROW mailing list >>> [email protected] >>> https://www.ietf.org/mailman/listinfo/grow >>> >>
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