Internet of Things Architecture

Output

Functionality
Output

Impacted

Components

Return value Exception

Service
Descriptions of
Services fitting
the Service
Specification

• Array of
  ServiceDescription
  
  
  • [no fitting
    services is a
    normal case]
  
  
  
  

Interface Definition: Subscribe Service Discovery

Input
Illustrative
Action

Calling

Component

Called

Component

Name of the

functionality

Parameters Prerequisite

―Subscribe to
Discovery of
Service
Descriptions
based on
Service
Specification‖
Use Case

IoT Service

Client

IoT Service

Resolution

subscribeService-

Discovery: given

a service

specification

asynchronously

notify the IoT

Service Client

about the fitting

service

descriptions as a

result of the

subscription and

on any change

regarding the set

of fitting service

descriptions as

well as the

content of a

previously

notified service

description

Service-

Specification

Notification-

Callback

Service-

Specification

available

Notification-

Callback and

notifyService-

Discovery

implemented

on the IoT

Service Client

side

Output:

Functionality
Output

Impacted

Components

Return value Exception

Subscription
identifier

• SubscriptionID Subscription
  failed

Interface Definition: Notify Service Discovery

Input

Illustrative Calling Called Name of the Parameters Prerequisite