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Constrained Application Protocol (CoAP) Hop-Limit Option

2020
The presence of Constrained Application Protocol (CoAP) proxies may lead to infinite forwarding loops, which is undesirable. To prevent and detect such loops, this document specifies the Hop-Limit CoAP option.
M. Boucadair, T. Reddy.K, J. Shallow
openaire   +1 more source

Multipart Content-Format for the Constrained Application Protocol (CoAP)

2020
This memo defines application/multipart-core, an application- independent media-type that can be used to combine representations of zero or more different media types into a single message, such as a CoAP request or response body, with minimal framing overhead, each along with a CoAP Content-Format identifier.
T. Fossati, K. Hartke, C. Bormann
openaire   +1 more source

Sensor Observation Service (SOS)/Constrained Application Protocol (CoAP) proxy design

2016 18th Mediterranean Electrotechnical Conference (MELECON), 2016
Sensor networks have expanded their scope and capabilities, becoming a fundamental part of the Internet of Things (IoT). To be able to affront the interoperability needs that this rise brings, it is necessary to have a repository with standard interfaces and messages. This has been addressed through the creation of the Sensor Observation Service (SOS).
J. Pradilla   +3 more
openaire   +1 more source

Extended Tokens and Stateless Clients in the Constrained Application Protocol (CoAP)

2021
This document provides considerations for alleviating CoAP clients and intermediaries of keeping per-request state. To facilitate this, this document additionally introduces a new, optional CoAP protocol extension for extended token lengths. This document updates RFCs 7252 and 8323.
K. Hartke, M. Richardson
openaire   +1 more source

Challenges and Techniques of Constrained Application Protocol (CoAP) for Efficient Energy Consumption

2020 11th International Conference on Information and Communication Systems (ICICS), 2020
IoT is a network of connected objects in which these objects can collect data and exchange them using embedded sensors. It permits communication between objects and things, and it binds together units in our universe under a regular infrastructure.
Muneer Bani Yassein   +6 more
openaire   +1 more source

CoAP (Constrained Application Protocol) over TCP, TLS, and WebSockets

2018
The Constrained Application Protocol (CoAP), although inspired by HTTP, was designed to use UDP instead of TCP. The message layer of CoAP over UDP includes support for reliable delivery, simple congestion control, and flow control. Some environments benefit from the availability of CoAP carried over reliable transports such as TCP or Transport Layer ...
C. Bormann   +4 more
openaire   +1 more source

Support Context-Adaptation in the Constrained Application Protocol (CoAP)

2019
The number of interconnected smart devices has already rapidly increased, and the Internet of Things (IoT) has presented tremendous potential in various domains such as smart cities, healthcare and industrial automation. To integrate the IoT applications to Web to utilise the advantages of Internet infrastructures, the Constrained Application Protocol (
Yuji Dong   +3 more
openaire   +1 more source

Assessing Performance of Constrained Application Protocol (CoAP) in MANET Using Emulation

Proceedings of the International Conference on Research in Adaptive and Convergent Systems, 2016
The Constrained Application Protocol (CoAP) is designed to meet the requirements for Internet of Things (IoT) data transmission among constrained nodes. The lean design of CoAP enables it to meet the needs of the data transmission in the Mobile Ad-hoc Network (MANET).
Weichao Gao   +4 more
openaire   +1 more source

Experimental evaluation of alternative congestion control algorithms for Constrained Application Protocol (CoAP)

2015 IEEE 2nd World Forum on Internet of Things (WF-IoT), 2015
The wide range of IoT applications creates a demand for various types of communication. While both types of communication, unreliable and reliable, are important, it is crucial to extend scalable congestion control in the Internet to cover IoT communication also.
Ilpo Jarvinen, Laila Daniel, Markku Kojo
openaire   +1 more source

Deep En-Route Filtering of Constrained Application Protocol (CoAP) Messages on 6LoWPAN Border Routers

2019 IEEE 5th World Forum on Internet of Things (WF-IoT), 2019
Devices on the Internet of Things (IoT) are usually battery-powered and have limited resources. Hence, energy-efficient and lightweight protocols were designed for IoT devices, such as the popular Constrained Application Protocol (CoAP). Yet, CoAP itself does not include any defenses against denial-of-sleep attacks, which are attacks that aim at ...
Felix Seidel   +2 more
openaire   +1 more source

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