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SNAPP: Stateless Network-Authenticated Path Pinning Bryan Parno
 

Summary: SNAPP: Stateless Network-Authenticated Path Pinning
Bryan Parno
Carnegie Mellon University
parno@cmu.edu
Adrian Perrig
Carnegie Mellon University
perrig@cmu.edu
Dave Andersen
Carnegie Mellon University
dga@cs.cmu.edu
ABSTRACT
This paper examines a new building block for next-generation net-
works: SNAPP, or Stateless Network-Authenticated Path Pinning.
SNAPP-enabled routers securely embed their routing decisions in
the packet headers of a stream of traffic, effectively pinning a flow's
path between sender and receiver. A sender can use the pinned path
(even if routes subsequently change) by including the path embed-
ding in later packet headers. This architectural building block de-
couples routing from forwarding, which greatly enhances the avail-
ability of a path in the face of routing misconfigurations or mali-

  

Source: Andersen, Dave - School of Computer Science, Carnegie Mellon University

 

Collections: Computer Technologies and Information Sciences