Common misconceptions in large enterprises that Kim Clark meets are that microservices are fine grained WSDL operations or that APIs are microservices. A reason for this is that they are confusing interface granularity with component granularity, Clark claimed in a presentation at this year’s Microservices Conference in London.
The Microsoft Azure Event Hubs messaging service processed approximately 150 terabytes and 30 billion messages per day, or 375 000 messages per second, in June 2015, according to the Microsoft Azure Service Bus product team.
Looking at Command Query Responsibility Segregation (CQRS) in a larger architectural context there are other architectural styles available. There are database technologies solving the same problems but in a simpler way, Udi Dahan states looking into ways of approaching CQRS. There is also a way that fulfils a lot of the CQRS goals but with fewer moving parts when CQRS is really needed.
There is tremendous value in microservices, probably giving us the best environment we have ever had for doing Domain-Driven Design (DDD), Eric Evans stated in his keynote at this year’s DDD Exchange conference in London. Iteration is the most important key to good design and microservices is the second attempt, after SOA, to get things right.
The Apache Camel team recently released version 2.14, their 66th release. Camel is an open-source integration framework that provides components based on the popular enterprise integration patterns. It allows an application to define route and mediation rules in many domain-specific languages (DSLs), for example with Java, XML, Groovy and Scala.
The recently released version v1.0.0 of HazelcastMQ adds a Java STOMP client and server implementation as well as an Apache Camel component. HazelcastMQ is a provider of a messaging layer on top of the basic Queue and Topic data structures in Hazelcast, an in-memory data grid. STOMP is the Simple (or Streaming) Text Orientated Messaging Protocol, an interoperable wire format.
After a long incubation period, Microsoft released its cloud-based integration tool called Windows Azure BizTalk Services. While reiterating their commitment to their on-premises integration tools, Microsoft has said that it will push innovation to its cloud platform first.
SpringSource has just released Spring Integration 2.0. Spring Integration is a lightweight framework to help build event-driven and messaging oriented applications in the familiar Spring style. InfoQ caught up with project lead Mark Fisher to talk to him about the new release.
In this article, Joshua Long introduces the readers to Spring Integration, an extension of the Spring framework supporting the Enterprise Integration Patterns. After a short introduction into Enterprise Application Integration (EAI), the article presents an example of the integration between an email application and a blogger one.
Spring Integration provides an extension of the Spring programming model to support the well-known Enterprise Integration Patterns. Following the announcement of RC 1 that became available this week InfoQ has a Q&A with SpringSource’s Iwein Fuld on key benefits, deployment scenarios and future directions of Spring Integration.