Internet of Things Architecture

Association
described by the Association

Association No
Longer Valid

Deletes the Association from the VE

Resolution.

C4.3.2

Update
Association

Updates the Association upon changes. C4.3.2

Virtual-Entity Service

Description An Entity service represents an overall access point to a
particular entity, offering means to learn and manipulate the
status of the entity. Entity services provide access to an entity
via operations that enable reading and/or updating the value(s)
of the entities‘ attributes. The type of access to a particular
attribute depends on the specifics of that attribute (read only /
write only or both).

A specific VE service can provide VE History storage

functionality, to publish integrated context information (VE

context information - dynamic and static), VE state information,

VE capabilities.

Pertaining
requirements

UNI.016, UNI.240, UNI.409, UNI.410

Default function set

Function name Function description

Read Attribute
Value

Returns the value of attribute parameter for the entity.

Set Attribute
Value

Sets the value of attribute parameter for the entity.

C.4.2 Virtual Entity Resolution functional component

C.4.2.1 Use Cases

In this section, the Virtual Entity Resolution functional component, as identified
in the functional view (see 4.2.2.4), is described. It provides a Virtual Entity
abstraction level, i.e., Virtual Entities, which are the digital counterparts of