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U.S. Department of Transportation
Research and Innovative Technology
Administration
Functional View 4.2.9 - Networking
§Alternatives Considered:
□Network traffic could be
allowed in without being passed through a single
Intrusion Prevention System (IPS)
▪Opens up a potential
bottleneck
▪Relies on separate security
systems
▪Considered
but rejected to preserve security/integrity of the
system