Network Simutator, Ns-2 Trace format

Normal Trace Format

This information comes from The ns Manual "Trace and Monitoring Support: Trace File Format" chapter. This trace is used normal wired operations. The trace starts with one of four possible characters.

Event	Abbreviation	Type	Value
Normal Event	r: Receive d: Drop e: Error +: Enqueue -: Dequeue	%g %d %d %s %d %s %d %d.%d %d.%d %d %d
		double	Time
		int	Source Node
		int	Destination Node
		string	Packet Name
		int	Packet Size
		string	Flags
		int	Flow ID
		int	Source Address
		int	Destination Address
		int	Sequence Number
		int	Unique Packet ID

Depending on the packet type, the trace may log additional information:

Event	Type	Value
TCP Trace	%d 0x%x %d %d
	int	Ack Number
	hexadecimal	Flags
	int	Header Length
	int	Socket Address Length
Satellite Trace	%.2f %.2f %.2f %.2f
	double	Source Latitude
	double	Source Longitude
	double	Destination Latitude
	double	Destination Longitude

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