Solution? The Train/Railway Analogy Similar traffic aggregation carriage train Global/local traffic segregation: express vS local train Hierarchical topology express vs local train
Solution? The Train/Railway Analogy • Similar traffic aggregation: carriage → train • Global/local traffic segregation: express vs. local train • Hierarchical topology: express vs. local train
Solution? The Train/Railway Analogy Similar traffic aggregation carriage → train Global/local traffic segregation: express vS local train Hierarchical topology express vs local train Configuration routing, capacity planning
Solution? The Train/Railway Analogy • Similar traffic aggregation: carriage → train • Global/local traffic segregation: express vs. local train • Hierarchical topology: express vs. local train • Configuration: routing, capacity planning
Solution? The Train/Railway Analogy Similar traffic aggregation carriage → train Global/local traffic segregation: express vS local train Hierarchical topology express vs local train Configuration routing, capacity planning Flexibility: change the train planning, not the railway
Solution? The Train/Railway Analogy • Similar traffic aggregation: carriage → train • Global/local traffic segregation: express vs. local train • Hierarchical topology: express vs. local train • Configuration: routing, capacity planning • Flexibility: change the train planning, not the railway
The Equivalent of Train in Network?
The Equivalent of Train in Network?
The Equivalent of Train in Network? An aggregate(of flows )is like a train B ge Member flow aggregate End node ○ Intermediate Node
The Equivalent of Train in Network? • An aggregate (of flows) is like a train A C B Legend Aggregate. End Node Intermediate Node Member Flow