Dynamic Multitenant Security Configuration Without Server Restart
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In multitenant application server environments, traditional security configuration changes require server restarts, which is undesirable as it can affect other tenants sharing the same domain and managed servers, and existing reconfiguration methods also necessitate server restarts, disrupting service.
Innovation Solution
Implementing dynamic security configuration and reconfiguration methods that allow for changes to partition-level security settings and managed beans without requiring server restarts, using change notification listeners and dynamic annotations to apply changes immediately or during controlled restarts, ensuring minimal downtime and isolation between tenants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional security configuration changes are implemented, then security settings can be updated, but server restart is required which affects other tenants
Solution Approach 1:
The patent implements dynamic security configuration by making security realm attributes dynamically reconfigurable through JMX MBeans. Configuration changes to security realms, providers, and authentication mechanisms can be made at runtime without requiring server restart, allowing the system to adapt security settings while maintaining continuous service operation for all tenants.
Solution Approach 2:
The patent segments the security configuration system into independent JMX MBean components (SecurityRealmMBean, SecurityProviderMBean, etc.) that can be modified independently. This segmentation allows security configuration changes to be applied to specific partitions or tenants without affecting the entire server or other tenants, enabling isolated updates that maintain service continuity.
2Ease of manufacture
If server restart is performed for configuration changes, then configuration updates are applied, but downtime increases and service is disrupted
Solution Approach 1:
The patent enables continuous operation during configuration updates by implementing runtime-reloadable security configurations through JMX MBeans. Security realm changes, provider additions, and authentication mechanism updates are applied continuously without interrupting server operations, eliminating downtime while maintaining full configuration update capability.
Solution Approach 2:
The patent allows preliminary configuration changes to be made and validated before actual deployment. Configuration modifications can be prepared, tested, and then applied incrementally through the JMX MBean framework without requiring a complete server restart, thereby reducing or eliminating service downtime.
3Adaptability or versatility
If partition-level security changes are made, then tenant-specific requirements are met, but isolation between tenants may be affected
Solution Approach 1:
The patent implements local quality by enabling partition-specific security configurations through JMX MBeans that can be modified independently for each tenant or partition. Each partition can have its own security realm, authentication mechanisms, and access control settings that are customized to local tenant requirements without affecting other partitions or tenants in the system.
Data Source
AI summary
In accordance with an embodiment, described herein is a system and method for supporting dynamic security configuration in a multitenant application server environment. Common configuration changes required for partition level security can be made without requiring a server restart, such as for example, adding a new security realm for a partition; deleting an existing realm; changing the configuration on an existing realm; adding or removing a security provider to a realm; or changing the configuration of a security provider. In accordance with an embodiment, also described herein is a system and method for supporting dynamic reconfiguration in a multitenant application server environment. Attributes of partition management components, for example managed beans (MBeans) and child MBeans contained within a partition, can be made dynamic and annotated accordingly, so that a restart of servers is not required for configuration changes to those attributes for a particular partition.