Using size for defining microservices is useless when determining a service responsibility, Jeppe Cramon states in a series of blog posts explaining his view on microservices and the coupling problems he finds in synchronous two-way communication.
We should build systems more loosely coupled to achieve properties like robustness, resilience and scalability, Udi Dahan emphasizes in a recent presentation discussing how we can model our systems using more event-driven and asynchronous patterns and some of the challenges developers face when introducing these principles and patterns into development.
Ole Lensmar, creator of SoapUI, has asked whether REST is really appropriate for architectures that require real-time, asynchronous interactions and binary protocols. In his article he discusses these areas and believes that alternative approaches are required.
The recently released version 5.9 of the message broker Apache ActiveMQ adds among other features support for replication of the LevelDB Store and a new Hawtio web console together with more than 200 issues resolved.
When we started building a new Web API for our business we wanted to build a really great API and the answer on Internet was to build a RESTful API, Amy Palamountain revealed in a recent presentation at TechEd in New Zealand when sharing her experiences of how to build a RESTful API based on the core ideas of HTTP and the web.
"Don't version unless you absolutely must, and it is rare that you absolutely must" says Mike Amundsen in a series of API design workshops he held recently. Amundsen describes the "USE" paradigm for API design focussing on usability, scalability and evolvability. He describes the three most common styles of API implementation and how they compare to these principles.
Microsoft recently announced general availability of AMQP support for Windows Azure Service Bus. The feature has been in preview for about six months now and allows interoperability between applications built on various technologies and different operating systems.
RabbitMQ 3.0 was recently released with STOMP 1.2 support, new plugins for Web-STOMP and MQTT, more user-friendly commands for clustering, per-message TTL, several performance improvements and more.
Microsoft has announced public availability of Service Bus 1.0, and it will be free to use with a properly licensed Windows Server. This makes features from Windows Azure Messaging available on in-house infrastructure.
Google has unveiled its Google Cloud Messaging for Android (GCM) service, which improves upon the deprecated Cloud to Device Messaging framework (C2DM) it replaces with no quotas, no sign-up forms and a richer set of new APIs.
In late December 2011, Microsoft announced the pre-release of a set of services labeled Windows Azure Service Bus EAI Labs. These enhancements to the existing Windows Azure Service Bus make it easier to connect (cloud) applications through the use of message routing rules, protocol bridging, message transformation services and connectivity to on-premises line of business systems.
A recent paper published by researchers in Germany reveals multiple security vulnerabilities in Amazon Web Services (AWS) and Eucalyptus's SOAP and web interfaces. The flaws are related to architectural choices which impacts multiple users and the overall cloud security.
Windows Azure AppFabric Features, Queues, Topics and Subscriptions, which were in CTP for some time now have now been released. These enable new scenarios for Applications hosted on Windows Azure such as asynchronous Cloud Eventing, Event-Driven SOA, Load leveling/balancing and more.
SpringSource, a division of VMware, has released Spring AMQP 1.0 GA (1.0.0.RELEASE). The Spring AMQP project applies core Spring concepts to the development of AMQP-based messaging solutions, and is available in both Java and .NET versions.
SmartBear Software, a prominent ALM and monitoring tool vendor acquired Eviware, creators of popular open source web services testing tools soapui and loadui, last week.