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SYSTEM FUNDAMENTALS | SOFTWARE DEPLOYMENT

ON THIS PAGE
SECTION 1 | THE DEPLOYMENT STAGE
SECTION 2 | SOFTWARE RELEASE
​SECTION 3 | UPDATES AND PATCHES


ALSO IN THIS TOPIC
PLANNING AND SYSTEM INSTALLATION

  USER FOCUS
SYSTEM BACKUP
YOU ARE HERE | ​SOFTWARE DEPLOYMENT
SYSTEM COMPONENTS
SYSTEM DESIGN
HUMAN COMPUTER INTERACTION
TOPIC 1 REVISION
KEY TERMINOLOGY
TOPIC 1 ANSWERS

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SECTION 1 | THE DEPLOYMENT STAGE
The deployment stage is the final stage in the software development life cycle (SDLC), where the software application is installed and made available to the end users. During this stage, the software is transferred from the development environment to the production environment, where it will be used by the intended audience. The deployment stage involves several activities, including:
  • Installation: Installing the software on the target systems, such as servers, desktops, or mobile devices.
  • Configuration: Configuring the software to meet the specific requirements of the target environment. This may involve setting up database connections, security settings, and other system parameters.
  • Testing: Testing the software in the production environment to ensure that it functions as expected and meets the requirements specified in the design phase.
  • Training: Providing training to the end users on how to use the software effectively.
  • Documentation: Creating and distributing documentation that describes how to use the software, as well as any known issues and limitations.
  • Maintenance: Providing ongoing support and maintenance to the software, including bug fixes and updates, to ensure that it continues to function properly.

The goal of the deployment stage is to make the software available to the end users in a stable and reliable manner, while minimising any disruption to their work.
SECTION 2 | SOFTWARE RELEASE
There are several strategies for managing releases and updates in software development:
  • Agile Release Management: This approach involves iterative and incremental releases, where new features and enhancements are added in small increments over time. This allows for a more flexible and adaptive approach to release management, as new features can be added and tested quickly, and changes can be made based on feedback from end users.
  • Branching and Merging: This strategy involves using version control systems, such as Git, to manage different branches of code. When new features are developed, they are created in a separate branch and then merged into the main branch when they are ready for release. This allows for easier collaboration between developers and helps to minimize the risk of code conflicts.
  • Continuous Integration and Continuous Deployment (CI/CD): This approach involves automating the build, test, and deployment process, allowing new releases to be deployed quickly and consistently. This helps to minimize the risk of errors and ensures that releases are tested thoroughly before they are deployed to production.
  • Rollback Strategies: This involves having a plan in place for rolling back to a previous version of the software in the event of a failed release. This helps to minimize the impact of any issues that may arise during the release process, and ensures that end users are not impacted by any problems with the software.
  • Staging Environments: This involves testing new releases in a controlled environment before they are deployed to production. This allows for thorough testing and helps to identify any issues that may arise before they impact end users.

By using a combination of these strategies, organizations can effectively manage releases and updates, minimize the risk of issues, and ensure that their software remains stable and reliable over time.
SECTION 3 | UPDATES AND PATCHES
There are several ways in which updates and patches can be made available and deployed:
  • Manual Downloads: In this method, updates and patches are made available for download on a vendor's website or a software repository, such as the Microsoft Update Catalog. The end user must manually download and install the updates on their own.
  • Automatic Updates: In this method, updates and patches are automatically downloaded and installed on the end user's device. This is often done in the background and does not require any user intervention. Automatic updates are often delivered on a regular basis, such as weekly or monthly, and can be set to occur at specific times or when the device is idle.
  • System Center Configuration Manager (SCCM): This is a centralized management tool used by organizations to manage updates and patches across their entire infrastructure. SCCM allows administrators to deploy updates and patches to specific groups of devices, such as those in a particular geographic location or those used by a specific department.
  • Deployment Tools: Deployment tools, such as Microsoft Deployment Toolkit (MDT) and System Center Virtual Machine Manager (SCVMM), allow administrators to automate the deployment of updates and patches to multiple devices. This can help to ensure that updates and patches are deployed consistently and efficiently across an organization.
  • Cloud-Based Updates: With cloud-based software, updates and patches are often automatically deployed by the vendor, eliminating the need for end users to manually install them. This allows for a more seamless and consistent update process, and helps to minimise the risk of issues arising from manual updates.

In conclusion, there are various ways in which updates and patches can be made available and deployed, ranging from manual downloads to automatic updates delivered on a regular basis. Organisations can choose the method that best fits their needs and infrastructure, and can use a combination of methods for maximum efficiency and security.
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  1. ​What is the goal of the deployment stage in the SDLC?
  2. What activities are involved in the deployment stage?
  3. What is agile release management and how does it differ from other release management strategies?
  4. How does branching and merging work in version control systems like Git?
  5. Can you describe the process of continuous integration and continuous deployment (CI/CD)?
  6. What is a rollback strategy in software release management and why is it important?
  7. What is the purpose of a staging environment in software release management?
  8. How do manual downloads of updates and patches differ from automatic updates delivered on a regular basis?
  9. What is System Center Configuration Manager (SCCM) and how is it used in software release management?
  10. Can you explain the advantages and disadvantages of cloud-based updates for software applications?
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ALSO IN THIS TOPIC
PLANNING AND SYSTEM INSTALLATION
USER FOCUS
SYSTEM BACKUP
SOFTWARE DEPLOYMENT
SYSTEM COMPONENTS
SYSTEM DESIGN
HUMAN COMPUTER INTERACTION
TOPIC 1 REVISION
KEY TERMINOLOGY
​
TOPIC 1 ANSWERS
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