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MQTT-SN v1.2, standardized by IBM. [65] MQTT v3.1, standardized by Eurotech and IBM. [66] MQTT v3.1.1, standardized by OASIS. [67] [68] MQTT v5.0, standardized by OASIS. [69] The following table lists the versions of MQTT that each implementation supports, and also lists their support for SSL/TLS and TCP.
MQTT (originally an initialism of MQ Telemetry Transport [a]) is a lightweight, publish–subscribe, machine-to-machine network protocol for message queue/message queuing service. It is designed for connections with remote locations that have devices with resource constraints or limited network bandwidth , such as in the Internet of things (IoT).
RabbitMQ is an open-source message-broker software (sometimes called message-oriented middleware) that originally implemented the Advanced Message Queuing Protocol (AMQP) and has since been extended with a plug-in architecture to support Streaming Text Oriented Messaging Protocol (STOMP), MQ Telemetry Transport (MQTT), and other protocols.
IBM MQ is a family of message-oriented middleware products that IBM launched in December 1993. It was originally called MQSeries, and was renamed WebSphere MQ in 2002 to join the suite of WebSphere products.
PowerQUICC is the name for several PowerPC- and Power ISA-based microcontrollers from Freescale Semiconductor.They are built around one or more PowerPC cores and the Communications Processor Module (QUICC Engine) which is a separate RISC core specialized in such tasks such as I/O, communications, ATM, security acceleration, networking and USB.
Message-oriented middleware (MOM) is software or hardware infrastructure supporting sending and receiving messages between distributed systems.Message-oriented middleware is in contrast to streaming-oriented middleware where data is communicated as a sequence of bytes with no explicit message boundaries.
Series 2 bombers also differed from the Series 1 in having an increased payload of four 500 lb (230 kg) bombs, instead of the four 250 lb (110 kg) bombs of Series 1. This was made possible by cropping , or shortening the tail of the 500 lb (230 kg) bomb so that these four heavier weapons could be carried (or a 2,000 lb (920 kg) total load). [ 163 ]
DD-WRT was originally designed for the Linksys WRT54G series, but now runs on a variety of routers. DD-WRT is Linux -based firmware for wireless routers and access points . Originally designed for the Linksys WRT54G series , it now runs on a wide variety of models.