Immutable Image Deployment for Branch Retail Configuration Consistency
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Solution Overview
Problem
Large enterprise networks face challenges in deploying software patches across geographically distributed devices, leading to configuration drift, inconsistent configurations, and difficulties in monitoring health and compliance, especially when devices are in different time zones, which can cause instability and security vulnerabilities.
Innovation Solution
A system for deploying immutable branch-image software using an event management utility that initiates events across a network, publishes deployment messages on a messaging databus, and utilizes agents to download and install immutable images, ensuring consistent configurations and real-time monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional patching methods are used to update software on geographically distributed devices, then software updates can be deployed, but configuration drift and inconsistent configurations occur across devices
Solution Approach 1:
The patent creates immutable golden images that serve as master copies of the desired software state. These images are copied and deployed to multiple devices simultaneously, ensuring all devices receive identical configurations. The copying process includes creating a master golden image with all required software and patches, then distributing this exact copy to target devices through a deployment server, eliminating configuration drift.
Solution Approach 2:
The patent performs preliminary actions by pre-configuring complete software environments in golden images before deployment. All software installations, configurations, and patches are prepared in advance within the immutable golden image, so that when deployed, devices receive a complete, pre-tested software state rather than incremental patches that may fail or conflict.
2Reliability
If software patches are applied incrementally to distributed devices, then updates can be implemented, but monitoring and tracking device health becomes difficult
Solution Approach 1:
The patent implements feedback mechanisms through deployment agents installed on each device that continuously report status to a central deployment server. The server tracks deployment progress, device health, and compliance status, providing real-time feedback on the state of all managed devices. This centralized monitoring system simplifies tracking by consolidating information from multiple devices into a single manageable interface.
3Productivity
If devices are updated during business hours, then minimal disruption to operations is achieved, but devices in different time zones experience scheduling conflicts and increased downtime
Solution Approach 1:
The patent performs preliminary actions by pre-configuring complete software environments in golden images that can be deployed rapidly. Because the entire software state is prepared in advance as an immutable image, deployment occurs in a single operation rather than through multiple incremental patches, significantly reducing the time devices need to be offline regardless of when the update is initiated.
Solution Approach 2:
The patent enables periodic deployment scheduling where golden images can be pushed to devices during off-peak hours or scheduled maintenance windows. The immutable nature of the images allows them to be staged and ready for deployment, then applied during predetermined periods when disruption is minimized, accommodating organizations with multiple time zones or continuous operations.
4Reliability
If multiple separate patching operations are performed to update different software components, then comprehensive updates are achieved, but configuration drift and system instability increase
Solution Approach 1:
The patent merges multiple separate software updates into a single unified golden image. Instead of applying individual patches for different software components separately, all required updates, software installations, and configuration changes are consolidated into one comprehensive immutable image that is deployed atomically to the target device, ensuring system consistency and eliminating configuration drift.
Solution Approach 2:
The patent creates a master golden image that serves as the single source of truth for all software configurations. This master image is copied to all target devices, ensuring that every device receives the exact same comprehensive software state. The copying process guarantees that all software components are updated together in their correct interdependent configurations, preventing the instability that arises from incremental patching.
Data Source
AI summary
In one example, a storage medium with program instructions to deploy immutable-image software to retail branch devices is disclosed. The operations include accessing a user-interface change request to initiate an event on a remote computer system. The event is a deployment of immutable branch-image software to alter or reimage existing software on the remote computer system. The operations include authenticating an identity of a user interface operator, publishing an event message (preload and build) on a messaging databus. An agent communicating with the remote computer system subscribes to the messaging databus. The operations for that include subscribing, by an agent on the remote computer system, to the messaging databus for the event message, storing the immutable branch-image software in a repository accessible via a secure network socket, retrieving the immutable branch-image software onto the remote computer system, and triggering installation of the immutable branch-image software on the remote computer system.