[Idr] draft-cgray-ietf-bgp-exceptions

[Cameron Gray <[e-mail]>]

My PhD work surrounds applying traditional graph theory to Internet Security.  One of the ideas so far, is the concept of Exceptions.  A routing message designed to prevent traffic matching the NLRI information from reaching the destination.  Effectively, allowing the BGP infrastructure to be used as a collaborative, distributed packet filter.  This could mean (after a successful deployment to a critical mass) the end of traditional packet based attacks by stopping them at (or as close as reasonably possible) the source.

I have submitted a personal Internet Draft for adding such a capability to BGP-4;
https://tools.ietf.org/html/draft-cgray-ietf-bgpexceptions-00
taking all that I could reasonable foresee into account.  I welcome all feedback and discussion on this draft.

There is further work to be completed (by me) for a protocol to offload calculation of the Exceptions required to a general-purpose server as Clique Detection and other graph solutions are NP-Hard.  Additionally I will create the prototype implementation, most likely using Quagga as a basis.

Thank you all for your time and consideration.

Cameron Gray
Doctoral Student
School of Computer Science

Email: [e-mail]

Bangor University, Bangor, Gwynedd, LL57 2DG, UK.


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