An Open-Source Cloud Architecture for Big Stream IoT Applications - Interoperability and Open-Source Solutions for the Internet of Things - page 83

25

17

16.5

20

16

15

15.5

10

15

5

14.5

14

0

0 20 40 60 80 100

0 20 40 60 80 100

Data generation frequency [msg/s]

Data generation frequency [msg/s]

(a) (b)

Fig. 8. (a) Average times (dimension: [ms]) related to the acquisition block. (b) Average
times (dimension: [ms]) related to Graph Framework processing block.

the architecture, in a way that is independent of the specific routing that was
implemented.

5 Related Work

The IoT paradigm brings to a worldwide “Network of Networks” scenario with
billions of cooperating heterogeneous smart objects generating information from
the environment. Information collected from this kind of data sources can be
employed into several Smart-X applications. In order to simplify the integra-
tion of components and to provide interoperability with the traditional Inter-
net, many standardization organizations and research projects are chartered to
design mechanisms specifically intended to bring IP connectivity to things, that
can implement standard IP-based communication protocols. In order to make
the IoT a real and integral component of the Future Internet (FI), it is nec-
essary to define mechanisms to deliver IoT services and applications to final
consumers. Several research projects address their effort to provide a solution
for the deployment and management of a pervasive IoT-Cloud infrastructure.
The EU FP7 project OpenIoT (Open Source Cloud solution for the Internet of
Things) [ 20 ] aims to provide a systematic and structured solution to the man-
agement of utilities based on IoT environments. OpenIoT can be considered as
an extension of traditional Cloud computing implementations since it is specifi-
cally designed to allow access to different and heterogeneous IoT resources and
capabilities. To summarize, the main objectives of OpenIoT framework are:

- to create an open source middleware for getting information from sensor
clouds, without having to concern about what exact sensors are used;
- to explore ecient ways to use and manage cloud environments for IoT “enti-
ties” and resources (such as sensors, actuators and smart devices) and offering
utility-based IoT services;