Book Image

ServiceNow: Building Powerful Workflows

By : Tim Woodruff, Martin Wood, Ashish Rudra Srivastava
Book Image

ServiceNow: Building Powerful Workflows

By: Tim Woodruff, Martin Wood, Ashish Rudra Srivastava

Overview of this book

ServiceNow is a SaaS application that provides workflow form-based applications. It is an ideal platform for creating enterprise-level applications, giving requesters and fulfillers improved visibility and access to a process. ServiceNow-based applications often replace email by providing a better way to get work done. This course will show you how to put important ServiceNow features to work in the real world. We will introduce key concepts and examples on managing and automating IT services, and help you build a solid foundation towards this new approach. You will then learn more about the power of tasks, events, and notifications. We’ll then focus on using web services and other mechanisms to integrate ServiceNow with other systems. Further on, you’ll learn how to secure applications and data, and understand how ServiceNow performs logging and error reporting. At the end of this course, you will acquire immediately applicable skills to rectify everyday problems encountered on the ServiceNow platform. The course provides you with highly practical content explaining ServiceNow from the following Packt books: 1. Learning ServiceNow 2. ServiceNow Cookbook 3. Mastering ServiceNow, Second Edition
Table of Contents (39 chapters)
Title Page
Credits
Preface
Free Chapter
1
Module 1
36
Bibliography

Working inside the data center - introducing the MID server


The Management, Instrumentation, and Discovery (MID) server is designed to ease communication with external systems that sit inside a customer's data center. While ServiceNow can easily integrate with cloud-based systems without one, integrating with systems behind a firewall requires extra help.

The MID server is not a device, and does not run on the instance-it is installable Java software that runs on customer infrastructure. This provides the following capabilities:

  • The MID server has direct communication with other systems, since it is in the customer's network. This is very useful for communicating via unencrypted protocols, such as JDBC.
  • Scripts that run on the MID server have access to the filesystem and can include custom Java code in JAR packages.
  • The MID server only initiates connections. It does not accept inbound communication and does not open any ports. This makes it more acceptable to security teams.
  • It offloads work...