4Jean-Philippe V, Dunkels A. Interconnecting Smart Objects with IP: The Next Intemet. Elsevier, 2010: 342-343.
5Stanford-Clark A, Truong HL. MQTT For sensor networks (MQTT-SN) protocol specification version 1.2 (work in progress), mqtt protocol specifications, http://mqtt.org/new/ wp-content/uploadsd2009/06/MQTT-SN_spec_v 1.2.pdf.
6IBM Developer Works Technical Library. MQ telemetry transport (MQTT) V3. 1 protocol specification, http://www.ibm.com/ developerworks/webservices/library/ws-mqtt/2010.
7Shelby Z, Sensinode, Hartke K, Bormann C. Constrained application protocol (CoAP), draft-ietf-core- coap-13(work in progress). The Internet Engineering Task Force-lETF, Dec 2013.
8Rahman A, Dijk EO. Group communication for CoAP, draft-ietf-core-groupcomm-06(work in progress). The Intemet Engineering Task Force-IETF, April 2013.
9Hartke K. Observing resources in CoAP.draft-ietfcore- observe-08 (work in progress). The Intemet Engineering Task Force-IETF, February 2013.
10Bormann C, Shelby Z. Blockwise transfers in CoAP, draft-ietf-core-block-10(work in progress). The Intemet Engineering Task Force--IETF, October 2012.
