Analysis of factors affecting IoT-based smart hospital design

Journal of Cloud Computing

Advances, Systems and Applications

Table 1 Comparison of network protocols

Protocol	COAP	MQTT	XMPP	AMQP	DDS	HTTP	Web S.	SMQ
RESTful	yes	no	no	no	no	yes	yes	yes
Transport	UDP				UDP
	TCP	TCP	TCP	TCP	TCP	TCP	TCP	TCP
Publish Subscribe	yes	yes	yes	yes	yes	no	yes	yes
Request Response	yes	no	yes	no	yes	yes	no	yes
QoS	yes	yes	yes	yes	yes	no	no	no
Security		SSL	SSL		DTLS
	DTLS	TLS	TLS	SSL	SSL	SSL	WSS	HTTP
Header Size	4	2	NA	8	NA	NA	8	2
P2P	yes	no	yes	yes	no	NA	yes	no
Data Protocols	yes	yes	yes	yes	NA	yes	yes	no
Discovery	yes	no	no	no	yes	NA	yes	no
Scalability	yes	yes	yes	yes	yes	yes	yes	no