Different types of Time

• Operator Time
• Ingress Time
• Event time

Determining the point in time via Watermarks

Latency considerations

Ordering Records

• Ordering for OrderedKeyDataStream
• Ordering for windows

Timestamps on Results of Window Operations

Sematics of Sequences of Windows

Aligned Time Windows

General Windows

Accessing the Timestamp of a Record

Implementing Windows on Ingress- and Event Time

Time-windows

Pane based approach

Other windows

Staging buffer