April 25, 2025 Outline

Reading: text §7.3–7.4
Assignments: Homework #2, due April 28; Project progress report, due May 7

1. Constraint-based model
   1. User agreement
   2. Finite waiting time policy
   3. Service specification policy

Module 26 (Reading: text §7.3.2)

2. State-based model
   1. Resource allocation system model
   2. Denial of service protection base
   3. Waiting time policy

Module 27 (Reading: text §7.4)

3. Availability and network flooding

4. Countermeasures
   1. Manipulate opening of connection
   2. Control which packets get through, or the rate at which they get through

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu

ECS 235B, Foundations of Computer and Information Security Version of April 24, 2025 at 10:17AM

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