Re: question about bgp incremental updates

["arbor.net" <rdobbins () arbor net>]

On Aug 4, 2014, at 9:29 AM, Song Li <refresh.lsong () gmail com> wrote:

> According to this principle, if an AS suddenly announced a lot of updates (as below), can it be regarded as an 
> anomaly such as BGP session reset?

Yes.  It's wise to monitor BGP announcements received from peers, and to investigate when large numbers of 
announcements or withdrawals take place simultaneously.

> I wish to know if there are other reasons can result in this anomaly.

Human error, deliberate disaggregation for traffic-engineering purposes, accidental or deliberate hijacking, turning up 
new peering links, et. al. can result in sudden flurries of route announcements/withdrawals.

----------------------------------------------------------------------
Roland Dobbins <rdobbins () arbor net> // <http://www.arbornetworks.com>

                   Equo ne credite, Teucri.

                          -- Laocoön