Cloudware Basics - Guide to Cloud Computing for Business and Technology Managers - page 263

Presentation modality Presentation platform

API

Software as
a service

Application

Q
o
E

M
i
d
d
l
e
w
a
r
e

Data Metadata Content

S
e
c
u
r
i
t
y

User/
customer/
device

Platform as
a service

a
n
d

Integration and middleware Integration and middleware

API API

Q
o
S

Connectivity and delivery Connectivity and delivery

Infrastructure
as a service

Facilities

Facilities

Hardware

Hardware

Facilities Facilities

Cloud user Cloud vendor Original cloud provider

FIGURE 13.1
The cloud reference model.