A Blog of the ZHAW Zurich University of Applied Sciences
Overview Service hosting platforms such as IaaS and PaaS offer a lot of convenience for the service engineer. They take care of proper provisioning, scaling, healing and profiling. Yet, this platform support is limited when it comes to decisions which require insight into the application state and logic, especially considering applications or services ranging across […]
Overview From a datacenter operator or cloud provider point of view, IT services are intangible entities which must run reliably 24/7, be provisioned on demand with the right scale, and be documented and certified properly. In the Service Operations research initiative of the Service Prototyping Lab, we take a closer look at the needs of […]
This page is kept for archiving. Please navigate to our new site: blog.zhaw.ch/splab. Overview Working with remote services requires appropriate and decent tooling. A service idea may take just five seconds (“I want to offer a robust note-taking service”), but its realisation may take much longer (“Which programming language and model?”, “How to describe the […]
Overview The connection between the physical world and the virtual world has never been as exciting, accessible, and economically viable as today. Sensors, actors and robots are able to deliver many physical services in several scenarios, including industrial production and home automation, elderly care, assisted living, logistics and cooperative maintenance. In isolation, computing capabilities of […]
Overview Todays Application developer tooling is focusing on single (mostly monolithic) applications and local development on developer workstations. Modern “Cloud Native Applications” on the other hand are distributed, decoupled, resilient and highly scalable. Sometimes a Business Application consists 20+ so called Microservices. In the cloud age, customers expect fast innovation and a downtime-free application provisioning. […]
Description Software Defined Networking (SDN) is a technology that has introduced an important paradigm shift in the networking world. With the OpenFlow protocol as a main technological enabler, the essential goal is to extend the conventional network configuration approach by introducing the concept of network control and programmability. The advances in the OpenFlow protocol and […]
Overview Cloud computing means: On-demand self service Virtualization Elastic resource provisioning Cloud computing service is comparable to public utility services like gas, telephone or water supply. Economical value of cloud computing service is determined by reliability, availability and maintainability (RAM) characteristics. Availability impacts the value of cloud computing as it is perceived by end users. […]
Overview Currently today, large internet-scale services are still architected using the principles of service-orientation. The key overarching idea is that a service is not one large monolith but indeed a composite of cooperating sub-services. How these sub-services are designed and implemented are given either by the respective business function, as in the case of traditional […]
Resource Management in Cloud Computing is a topic that has received much interest both within the research community and within the operations of the large cloud providers; naturally, as it has a significant impact on the cloud provider’s bottom line. Much of the work to date on resource management focuses on Service Level Agreements (for […]
Energy in general and energy consumption in particular is a major issue for the large cloud providers today. Smaller cloud providers – both private and public – also have an interest in reducing their energy consumption, although it is often not their most important concern. With increasing competition and decreasing margins in the IaaS sector, […]