The big difference here to point out is : are we speaking about AMQP 0.x or AMQP 1.0. They are two completely different protocols and only the latter is a ISO/IEC standard supported by the main open sources products like ActiveMQ and Artemis brokers, Qpid Proton clients and Qpid Dispatch Router. Products like RabbitMQ support … Read more
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First, to get this out of the way: Cloud Computing is a marketing buzzword and ill-defined one (at least at the moment). I would recommend dissecting this overarching buzzword and in market segments, namely: IaaS: Infrastructure as a Service (e.g. Amazon EC2) Paas: Platform as a Service (e.g. Google AppEngine) DaaS: Database as a Service … Read more
In my mind what defines cloud computing is that the underlying compute resources (storage, processors, RAM, load balancers, etc) of cloud-based services and software are entirely abstracted from the consumer of the software / services. This means that the vendor of cloud based resources is taking responsibility for the performance / reliability / scalability of … Read more
Grid computing is where more than one computer coordinates to solve a problem together. Often used for problems involving a lot of number crunching, which can be easily parallelisable. Cloud computing is where an application doesn’t access resources it requires directly, rather it accesses them through something like a service. So instead of talking to … Read more
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Cluster differs from Cloud and Grid in that a cluster is a group of computers connected by a local area network (LAN), whereas cloud and grid are more wide scale and can be geographically distributed. Another way to put it is to say that a cluster is tightly coupled, whereas a Grid or a cloud … Read more
IaaS, PaaS and SaaS are cloud computing service models. IaaS (Infrastructure as a Service), as the name suggests, provides you the computing infrastructure, physical or (quite often) virtual machines and other resources like virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc. Examples: Amazon EC2, Windows … Read more