Design Methodology for IoT Platforms: Functional View Specification

 
UNIT IV -Part 4
IOT 
Platforms
 
Design
Methodology
 
Mrs. Kiran M. Pradhan
Internet
 
of
 
Things
MSc.CS FY Sem-II
09-04-2020
 
IOT 
Platforms 
Design
 
Methodology
 
It
 
includes:
Purpose & 
Requirements
 
Specification
Process
 
Specification
Domain Model Specification
Information 
Model
 
Specification
Service
 
Specification
 
IOT 
Platforms 
Design
 
Methodology
 
IoT 
Level
 
Specifications
Functional 
view
 
Specification
Operational 
View
 
Specification
Device 
& 
component
 
Integration
Application
 
Development
 
Functional
 
view
 
Specification(seventh
 
step
 
)
 
The Functional 
View 
(FV) defines 
the functions 
of 
the 
IoT 
systems
grouped 
into various 
Functional 
Groups
 
(FGs).
Each 
Functional 
Group 
either 
provides 
functionalities 
for 
interacting
with 
instances 
of concepts defined 
in the 
Domain 
Model 
or 
provides
information 
related 
to 
these
 
concepts.
 
Functional 
view
 
Specification
 
The Functional 
Groups (FG) 
included in a 
Functional 
View 
include:
Device 
: 
The device 
FG contains 
devices 
for 
monitoring 
and 
control.
In  the 
home automation 
example. 
the 
device 
FG 
includes a single
board  
mini-computer, 
a 
light 
sensor and 
relay
 
switch(actuator).
Communication 
:
 
The
 
communication
 
FG 
handles the
communication
 
for 
the IoT 
system. 
The 
communication 
FG
includes  the 
communication 
protocols 
that 
form 
the 
backbone of
IoT 
systems  
and enable 
network
 
connectivity.
The 
communication 
FG 
also includes the 
communication
APis  (such 
as 
REST 
and 
WebSocket) 
that 
are 
used 
by 
the services
and  
applications 
to 
exchange data 
over 
the
 
network.
 
Functional 
view
 
Specification
 
Services 
: 
The 
service 
FG 
includes 
various 
services 
involved 
in the 
IoT
system 
such as services 
for 
device monitoring 
, 
device 
control
services,  
data 
publishing services and services 
for 
device
 
discovery.
Management 
: The 
management 
FG 
includes all functionalities 
that
are  
needed 
to configure 
and 
manage 
the loT 
system
 
.
Security 
: 
The 
security 
FG 
includes security mechanisms 
for 
the
loT  
system 
such as 
authentication, authorization, 
data 
security,
etc.
Application 
: 
The application 
FG 
includes 
applications that 
provide 
an
interface 
to 
the 
users to 
control 
and 
monitor 
various 
aspects of 
the
IoT  
system. 
Applications 
also 
allow users 
to 
view 
the 
system 
status
and 
the  
processed
 
data.
 
Functional 
view
 
Specification
 
Operational 
View
 
Specification
 
In this 
step, 
various
 
options
 
pertaining
 
to 
the 
loT 
system 
deployment
and 
operation 
are 
defined, 
such as, service 
hosting options, 
storage
options, device options, application hosting options,
 
etc.
Operational View 
specifications 
for 
the 
home automation 
example are
as 
follows:
Devices: Computing device (Raspberry 
Pi), 
light dependent 
resistor 
(sensor), 
relay
switch
 
(actuator).
Communication 
APls: 
REST
 
APis
Communication 
Protocol 
s: Link 
Layer 
- 802.11, 
Network 
Layer 
-
 
1Pv4/1Pv6,
Transport 
TCP, 
Application 
-
 
HTTP.
 
Operational 
View
 
Specification
 
Operational 
View specifications 
for 
the 
home automation 
example
are 
as  
follows:
Services:
 
Controller 
Service -  
Hosted 
on
 
device,
 
implemented
 
in Python
and 
run
 
as  a 
native
 
service.
Mode
 
se
r
vice
 
-
 
R
E
S
T
-
f
ol
 
w
eb
 
se
r
vic
e
,
 
ho
s
t
ed
 
on
 
d
e
vic
e
,
impleme
n
t
ed
 
wi
t
h  
Django-REST
 
Framework.
S
ta
t
e 
se
r
vice
 
-
 
R
E
S
T
-
fu
l
 
w
eb
 
se
r
vic
e
,
 
ho
s
t
ed
 
on
d
e
vic
e
,
 
impleme
n
t
ed
 
wi
t
h  
Django-REST
Framework.
Application:
Web 
Application 
- 
Django 
Web 
Application, Application 
Server 
-
Django 
App  
Server, 
Database 
Server 
-
 
MySQL.
 
Operational 
View
 
Specification
 
Operational View 
specifications 
for 
the 
home automation 
example are
as
 
follows:
Security:
Authentication: 
Web 
App, 
Database 
Authorization: 
Web 
App,
Database
Management:
Application Management 
- 
Django 
App Management 
Database
Management 
- 
MySQL DB Management, 
Device 
Management 
-
Raspberry Pi 
device
 
Management.
 
Operational 
View
 
Specification
 
Thank
 
you
 
Ref: IOT 
by Ashdeep 
Bahga 
&Vijay
 
Madisetti
 
51
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Functional view specification in IoT platform design methodology involves defining functional groups for devices, communication, services, management, security, and applications. Each group serves specific purposes such as device monitoring, communication protocols, service provision, system management, security mechanisms, and user interface applications.


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  1. UNIT IV -Part 4 IOT Platforms Design Methodology Mrs. Kiran M. Pradhan Internet of Things MSc.CS FY Sem-II 09-04-2020

  2. IOT Platforms DesignMethodology It includes: Purpose & RequirementsSpecification Process Specification Domain Model Specification Information Model Specification Service Specification

  3. IOT Platforms DesignMethodology IoT Level Specifications Functional view Specification Operational View Specification Device & component Integration Application Development

  4. Functional view Specification(seventh step ) The Functional View (FV) defines the functions of the IoT systems grouped into various Functional Groups (FGs). Each Functional Group either provides functionalities for interacting with instances of concepts defined in the Domain Model or provides information related to these concepts.

  5. Functional view Specification The Functional Groups (FG) included in a Functional View include: Device : The device FG contains devices for monitoring and control. In the home automation example. the device FG includes a single board mini-computer, a light sensor and relay switch(actuator). Communication : The communication FG handles the communication for the IoT system. The communication FG includes the communication protocols that form the backbone of IoT systems and enable network connectivity. The communication FG also includes the communication APis (such as REST and WebSocket) that are used by the services and applications to exchange data over the network.

  6. Functional view Specification Services : The service FG includes various services involved in the IoT system such as services for device monitoring , device control services, data publishing services and services for device discovery. Management : The management FG includes all functionalities that are needed to configure and manage the loT system . Security : The security FG includes security mechanisms for the loT system such as authentication, authorization, data security, etc. Application : The application FG includes applications that provide an interface to the users to control and monitor various aspects of the IoT system. Applications also allow users to view the system status and the processed data.

  7. Functional view Specification

  8. Operational View Specification In this step, various options pertaining to the loT system deployment and operation are defined, such as, service hosting options, storage options, device options, application hosting options, etc. Operational View specifications for the home automation example are as follows: Devices: Computing device (Raspberry Pi), light dependent resistor (sensor), relay switch (actuator). Communication APls: REST APis Communication Protocol s: Link Layer - 802.11, Network Layer - 1Pv4/1Pv6, Transport TCP, Application - HTTP.

  9. Operational View Specification Operational View specifications for the home automation example are as follows: Services: Controller Service - Hosted on device, implemented and run as a native service. Mode service - REST-fol web service, hosted on device, implemented h Django-REST Framework. State service - REST-ful web service, hosted device, implemented Framework. Application: Web Application - Django Web Application, Application Server - Django App Server, Database Server - MySQL. in Python wit on with Django-REST

  10. Operational View Specification Operational View specifications for the home automation example are as follows: Security: Authentication: Web App, Database Authorization: Web App, Database Management: Application Management - Django App Management Database Management - MySQL DB Management, Device Management - Raspberry Pi device Management.

  11. Operational View Specification

  12. Thankyou Ref: IOT by Ashdeep Bahga &VijayMadisetti 51

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