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Smart objects are small devices with limited system resources, typically made to fulfill a single simple task. By connecting smart objects and thus forming an Internet of Things, the devices can interact with each other and their users and support a new range of applications. Due to the limitations of smart objects, common security mechanisms are not easily applicable. Small message sizes and the...
Recently, the IETF has generated a number of standards that are intended to be foundational for large networks of constrained devices, also known as the Internet of Things. Among these are a Web transfer protocol realizing the REST (Representational State Transfer) principles, the Constrained Application Protocol (CoAP), and the Concise Binary Object Representation (CBOR). As with the existing Internet,...
In today's world of home automation, smart objects are interconnected and participate in the Internet of Things. Being part of a very sensible eco-system, these entities must be secured against various kinds of attacks. Smart home appliances such as light bulbs or window shutters have very low processing power and networking capacities and more often than not lack of input/output devices such as keyboards...
The ”Internet of Things” has led to a number of standardization efforts that can make proprietary protocols for home automation obsolete. One of the latest developments is the Constrained Application Protocol (CoAP) that is intended to be used as the HTTP-replacement for smart objects that are connected to the Internet. Early adaptors in industry and academia already have developed a plethora of applications...
The rapid evolution of broadband wireless Internet access in the recent years has been accompanied by a plethora of devices and applications that allow mobile users to work remotely or stay in touch with their friends as they go. With the increasing demand for ubiquitous access and the notion of being "always connected", the limitations of today's Internet technologies have become obvious,...
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