Table of contents
1.
Introduction
2.
Remote Procedure Call
3.
Document Web Services
4.
RPC vs Document Web Services
5.
Frequently Asked Questions
5.1.
What is the primary goal of the Remote Procedure Call?
5.2.
What are SOAP Web services?
5.3.
What is WSDL?
6.
Conclusion
Last Updated: Mar 27, 2024
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RPC vs Document Web Services

Author Yashesvinee V
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Introduction

JAX-WS or Java API for XML Web Services is a set of APIs to create web services and clients that communicate through XML. It allows the use of Document-oriented and Remote Procedure Call-oriented web services. RPC and Document-oriented web services involve SOAP messages containing XML data. Let us explore the key differences between them.

RPC vs Document Web Services

Remote Procedure Call

RPC or Remote Procedure Call is used to construct distributed, client-server-based applications. One procedure calls another procedure, both existing in different address spaces. The RPC protocol is helpful when the process has no access to another computer's network details and the service is requested on a different computer. In this client-server model, the arguments are passed to a remote procedure, and the client calls the server. 

JAX-WS RCP can invoke a Java-based Web service with a known description and a consistent WSDL description. The SOAP messages body contains an XML representation of the method's call. The method name and parameters construct an XML tree representing the method's call stack.

Also Read About, procedure call in compiler design

Document Web Services

The Document style web service is also referred to as the Message-Oriented style. The SOAP message body contains an XML document that can be validated against a predefined XML schema. Since the protocol relies on the predefined schema to determine the structure of the SOAP message, it is customisable and flexible.

Document style Java Web Services require a Java class that includes one or more methods using supported method signatures to handle incoming and outgoing messages. It supports XML datatypes and patterns.

RPC vs Document Web Services

JAX-WS allows the use of Document-oriented and Remote Procedure Call-oriented web services, which differ in many ways. Following are the differences between the two.

Differences between RPC and Document Style

Frequently Asked Questions

What is the primary goal of the Remote Procedure Call?

RPC uses a transaction-oriented transport protocol which consists of a single request and a single response. Its main goal is to hide the network's existence from a program.

What are SOAP Web services?

Simple Object Access Protocol or SOAP is an XML-based protocol designed to support the interface between Web services and other systems. It enables communication between applications developed on different platforms, using different programming languages over the Internet.

What is WSDL?

WSDL stands for Web Services Description Language and describes a web service. A WSDL document is written in XML format to describe the interface provided by a web service provider.

Conclusion

This blog briefly discusses Remote Procedure Call and Document style web services. It mainly focuses on the differences between RPC and document-style web services. Check out our articles on Types of web servicesJava Web Services and SOAP API. Explore our Library on Coding Ninjas Studio to gain knowledge on Data Structures and Algorithms, Machine Learning, Deep Learning, Cloud Computing and many more! Test your coding skills by solving our test series and participating in the contests hosted on Coding Ninjas Studio! 

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