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Blockchain Development with Hyperledger

You're reading from   Blockchain Development with Hyperledger Build decentralized applications with Hyperledger Fabric and Composer

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Product type Course
Published in Mar 2019
Publisher Packt
ISBN-13 9781838649982
Length 636 pages
Edition 1st Edition
Languages
Concepts
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Authors (8):
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Anthony O'Dowd Anthony O'Dowd
Author Profile Icon Anthony O'Dowd
Anthony O'Dowd
Petr Novotny Petr Novotny
Author Profile Icon Petr Novotny
Petr Novotny
Weimin Sun Weimin Sun
Author Profile Icon Weimin Sun
Weimin Sun
Nitin Gaur Nitin Gaur
Author Profile Icon Nitin Gaur
Nitin Gaur
Luc Desrosiers Luc Desrosiers
Author Profile Icon Luc Desrosiers
Luc Desrosiers
Venkatraman Ramakrishna Venkatraman Ramakrishna
Author Profile Icon Venkatraman Ramakrishna
Venkatraman Ramakrishna
Xun (Brian) Wu Xun (Brian) Wu
Author Profile Icon Xun (Brian) Wu
Xun (Brian) Wu
Salman A. Baset Salman A. Baset
Author Profile Icon Salman A. Baset
Salman A. Baset
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Table of Contents (25) Chapters Close

Title Page
Copyright
About Packt
Contributors
Preface
1. Blockchain - Enterprise and Industry Perspective 2. Exploring Hyperledger Fabric FREE CHAPTER 3. Setting the Stage with a Business Scenario 4. Designing a Data and Transaction Model with Golang 5. Exposing Network Assets and Transactions 6. Business Networks 7. A Business Network Example 8. Agility in a Blockchain Network 9. Life in a Blockchain Network 10. Governance, Necessary Evil of Regulated Industries 11. Hyperledger Fabric Security 12. Introduction to Blockchain Technology 13. Ethereum Fundamentals 14. Overview of Solidity Programming 15. Building an Ethereum Blockchain Application 16. Exploring an Enterprise Blockchain Application Using Hyperledger Fabric 17. Implementing Business Networks Using Hyperledger Composer 18. Blockchain Use Cases 1. Other Books You May Enjoy Index

Updating the network


With the BNA file published and tagged to a release, we will now look at the process to install/update the business network in our consortium. More specifically, we will look at the following steps:

  • Release notification
  • Business Network update

Notifying the consortium

There are a few ways and techniques that can be applied to ensure that every organization is notified that a business network is ready to be updated.

The one thing that is for certain is that manual notification is not an option; as the number of smart contracts and participants grows, you need a reliable notification process.

The following diagram depicts a potential process for deploying a business network following the delivery of a new release:

As we've previously discussed, we do not distribute the BNA as this would create the opportunity for someone to tamper with the archive. Instead, the notification only informs every organization of the existence of a new release and lets the consortium retrieve and...

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