… “middleware” which sits between things and applications as a reliable platform for communication
among things … The main aim of this paper is to study the middleware technologies for …

… on advanced middleware technologies to facilitate these processes. A number of middleware
… and developed middleware platforms for IoT while challenges in middleware solutions for …

… services and things; 3) eXtensible service discovery (XSD) to manage protocols and
processes for discovery of services and things; and 4) the cloud and grid middleware to manage …

… IoT middleware. In the end, we summarize open issues in IoT middleware. This survey aims
to provide guidance for the development and research of middleware in the IoT paradigm. …

… technologies to support such efforts is the Cloud of Things (CoT). CoT can provide a platform
for linking the cyber parts of the smart city that are executed on the cloud … technology that …

… middleware. Finally, it highlights the difficulties for achieving and enforcing a universal standard.
Thus, it is concluded that middleware … be used as a reference model for IoT middleware. …

… middleware system enables sensors to process data locally before transmitting it to the cloud.
… subsection we review IoT middleware that falls in our two classes of middleware systems. …

… of Things middleware and survey the most well known middleware that have been proposed
in this field. … that enables on-demand access to IoT services via cloud. This leads to the ”…

… only from specific perspectives and none of them address the more recent trend of light-weight
plug-and-play or cloudbased IoT middleware. The aim of this paper is to provide a …

… ) Cloud based. In rest of this section we describe in brief selected … ) [11] is middleware which
capitalize sensing as a cloud based … sensor data and push it to cloud server. CHOReOS [12] …