Traffic Measurement
for IP Operations
Characteristics of the Internet
Operator Philosophy: Tension With IP
Network Operations: Measure, Model, and Control
Traffic Measurement: Control vs. Discovery
AS-Level Graph of the Internet
Interdomain Routing: Border Gateway Protocol
Intradomain Routing: OSPF or IS-IS
“Operations” Research: Detect, Diagnose, and Fix
Time Scales for Network Operations
Traffic Measurement: SNMP Data
Traffic Measurement: Packet-Level Traces
Extracting Data from IP Packets
Aggregating Packets into Flows
Traffic Measurement: Flow-Level Traces
Reducing Packet/Flow Measurement Overhead
Traffic Representations for Network Operators
End-to-End Traffic & Demand Models
Domain-Wide Network Traffic Models
Traffic Matrix: Operational Uses
Traffic Matrix: Traffic Engineering Example
Demand Matrix: Motivating Example
Coupling of Inter and Intradomain Routing
Intradomain Routing: Hot Potato
Demand Model: Operational Uses
Populating the Domain-Wide Models
Tomography: Formalizing the Problem
Tomography: Single Observation is Insufficient
Promising Extension: Gravity Models
Mapping: Remove Traffic Assumptions
Traffic Mapping: Ingress Measurement
Traffic Mapping: Egress Point(s)
Traffic Mapping: Combining the Data
Direct Observation: Overcoming Uncertainty
Direct Observation: Straw-Man Approaches
Direct Observation: Trajectory Sampling
Trajectory Sampling: Fields Included in Hashes
Trajectory Sampling: Sampling and Labeling