Non-intrusive method for routing policy discovery

Details Non-intrusive method for routing policy discovery Non-intrusive method for routing policy discovery

2008-05-20

2008-05-20

Pham, Brenda (Department: 2616)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via frequency channels

C370S497000

Reexamination Certificate

active

10652678

ABSTRACT:
Discovering routing policies in information networks. Large networks such as Autonomous Systems are abstracted as a single network element. A plurality of taps on the borders of the abstracted element filter ingress/egress data which is forwarded for collection and correlation. By correlating information from different taps, routing policies are discovered. These discovered policies may be compared with published policies. Access control makes discovered policies and the comparisons with published policies selectively available depending on predefined access classes.

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C. Villamizar (ANS), R. Chandra (Cisco), R. Govindan (ISI)—“BGP Route Flap Damping”, Nov. 1998; RFC 2439, Internet RFC/STD/FYI,BCP Archives; http://www.faqs.org/rfcs/rfc2439.html; pp. 1-30.
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