Internet of Things Architecture

Interface Definition: Notify Service Look-up

Input

Illustrative
Action

Calling

Component

Called

Component

Name of the

functionality

Parameters Prerequisite

―Subscribe
to Look-up
of Service
Description
based on
Service
Identifier‖
Use Case

IoT Service

Resolution

IoT Service

Client

notifyService-

Lookup: the

current service

description is

provided. The

subscription to

which the

notification

pertains is

identified by

the

subscription

identifier

SubscriptionID,

ServiceDe-

scription

Notification-

Callback

available and

IoT Service

Client

reachable

using the

Notification-

Callback

Interface Definition: Unsubscribe Service Look-up

Input

Illustrative
Action

Calling

Component

Called

Component

Name of the

functionality

Parameters Prerequisite

―Unsubscribe
to Look-up of
Service
Description‖
Use Case

IoT Service

Client

IoT Service

Resolution

Unsubscribe-

Service-

Lookup: given

the

SubscriptionID

cancel the

respective

subscription

SubscriptionID SubscriptionID

available

IoT Service

Resolution

reachable

Interface Definition: Discover Service

Input:

Illustrative
Action

Calling

Component

Called

Component

Name of the

functionality

Parameters Prerequisite

―Discover
Service
Based On
Service
Specification‖
Use Case

IoT Service

Client

IoT Service

Resolution

discoverService:

given the

Service

Specification

provide the

Service

Descriptions of

fitting services

Service

Specification

Service

Specification

available