5.6.2 SpanContext Structure
The SpanContextDataType Structure is defined in Table 11. It defines a TraceId and SpanId. This Structure can be passed between Clients and Servers (see 5.6.4).
| Name | Type | Description |
| SpanContextDataType | Structure | Subtype of Structure defined in OPC 10000-5 |
TraceId | 0:Guid | A unique identifier assigned to a trace. |
SpanId | 0:UInt64 | Identifier for a span in a trace. 0 is an invalid value for a SpanId. The value shall be unique within a ParentSpanId within an Application. |
The SpanContextDataType representation in the AddressSpace is formally defined in Table 12
| Attribute | Value | |||||
| BrowseName | SpanContextDataType | |||||
| IsAbstract | False | |||||
| References | NodeClass | BrowseName | DataType | TypeDefinition | Other | |
|---|---|---|---|---|---|---|
| Subtype of the 0:Structure defined in OPC 10000-5 | ||||||
| ConformanceUnits | ||||||
|---|---|---|---|---|---|---|
| LogObject TraceContext |