Opening the book…
- 7.1: Distributed Objects in Distributed Computing
- A distributed object system allows programs on different machines to interact with remote objects as if they were local, abstracting away the underlying network communication and data handling. This paradigm simplifies the development of distributed applications through middleware technologies like RPC, RMI, and CORBA, which make remote interactions appear transparent to the programmer.
- 7.2: Web Services- Principles and Key Technologies
- This chapter explains that web services are a style of software API using standard web protocols (like HTTP) and open standards (like XML/JSON) to enable communication between different systems over a network. It introduces the two major categories of web services: the older, XML-based SOAP and the more modern, simpler RESTful approach.
- 7.3: Cloud Communication- Heterogeneous Systems and Interoperability
- This chapter explains how cloud communication between heterogeneous systems (built with different languages and platforms) is achieved through the use of web services and open standards like HTTP, JSON, and XML. This "loosely coupled" approach allows diverse applications to interoperate, enabling the modern "API economy" where services from different vendors can be easily integrated.
- 7.4: Service Discovery, Load Balancing, and Reliability in Web Services
- This chapter addresses the challenges of managing numerous microservices in a cloud environment, such as locating service instances, distributing traffic, and handling failures. It covers the concepts of service discovery, load balancing, and other reliability patterns that enable distributed web services to scale and remain resilient.
- 7.5: Real-World Case Studies- APIs in Action
- This chapter examines how companies like Amazon, Google, and Twilio leverage distributed objects and web services to build scalable, cloud-based platforms. It uses these real-world case studies to demonstrate concepts such as service-oriented architecture, high-performance RPC (gRPC), and the power of web service APIs for developer integration.
- 7.7: Conclusion
- This chapter explores the evolution from distributed object systems to web services like SOAP and REST, explaining how these paradigms enable communication and interoperability in cloud environments. It covers essential mechanisms for operating at scale, such as service discovery and load balancing, and concludes that these foundational concepts are key to integrating disparate services into a cohesive whole, which is the core of cloud computing.
This page titled 7: Distributed Objects and Web Services was last modified on Sat, 12 Sep 2026 08:40:19 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Felix Amoruwa.
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