Hybrid Cloud Security Architecture for Traffic Inspection
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Solution Overview
Problem
As cloud service providers scale up their operations, traditional centralized network security approaches become difficult to manage and scale, leading to performance slowdowns and challenges in detecting offending traffic effectively.
Innovation Solution
A hybrid architecture is introduced, combining centralized security monitoring with distributed security enforcement, utilizing hardware-based security components for scalable and high-throughput inspection, and localized security enforcement modules to enforce security policies and detect malicious traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fully centralized monitoring and control mechanism is used to inspect all network traffic, then security coverage is improved, but system performance and scalability deteriorate
Solution Approach 1:
The patent divides the centralized security system into distributed security modules deployed across multiple cloud service accounts. Each module independently inspects traffic within its designated account, eliminating the single-point bottleneck of fully centralized inspection while maintaining comprehensive security coverage across all accounts.
Solution Approach 2:
The patent transitions from a single-dimensional centralized inspection model to a multi-dimensional distributed architecture where security modules operate at different levels (individual service account level and collective level). This dimensional expansion allows parallel processing of traffic across multiple accounts simultaneously, improving overall system performance.
2Reliability
If a fully centralized monitoring and control mechanism is used to inspect all network traffic, then security coverage is improved, but scalability deteriorates
Solution Approach 1:
The patent segments the security monitoring function into independent modules that can be individually deployed to each cloud service account. This segmentation enables the system to scale horizontally by simply adding new security modules as new accounts are created, without requiring changes to a centralizing infrastructure.
Solution Approach 2:
Each distributed security module autonomously inspects and controls traffic for its assigned service account without requiring centralized coordination for every decision. This self-service capability allows the system to automatically adapt to new accounts and traffic patterns, enhancing scalability.
3Ease of operation
If traditional centralized security approach is used, then security policy enforcement is simplified, but latency increases
Solution Approach 1:
The patent divides traffic inspection into localized segments handled by distributed security modules positioned close to the traffic sources. This segmentation reduces the physical and logical distance traffic must traverse, minimizing inspection latency while maintaining centralized policy coordination.
Solution Approach 2:
The patent introduces distributed security modules as intermediaries between the centralized policy authority and the actual traffic flow. These intermediaries cache and enforce policies locally, reducing the need for constant centralized communication and thereby reducing latency while maintaining policy consistency.
Data Source
AI summary
A computer-implemented method for monitoring and control of a network traffic in a cloud server environment is disclosed. The method includes receiving network traffic at a cloud service account that includes a corresponding local security enforcement module configured to enforce security policies for data processed by the cloud service account and forwarding a part of the network traffic from the cloud service account to a centralized security monitoring hub that includes a hardware-based security component. The method also includes detecting, by the hardware-based security component, offending traffic that includes traffic from an unwanted source or with malicious content. The method further includes sending a notification of the offending traffic to the localized security enforcement module, by the centralized security monitoring hub, and responsive to the notification, implementing a security enforcement strategy in the cloud service account based on the security policy, by the corresponding localized security enforcement module.