Service Gateway for Logical Network Security Integration
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Solution Overview
Problem
Existing software-defined datacenter solutions lack efficient methods for integrating third-party security services into virtual networks, limiting the flexibility and security of hosted networks.
Innovation Solution
A network management and control system that enables the integration of third-party service machines for processing data traffic within logical networks, allowing for the attachment of services like firewalls, VPNs, and load balancing to logical routers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If third-party security services are integrated into virtual networks, then network security and flexibility are enhanced, but device complexity increases
Solution Approach 1:
The patent introduces a service gateway as an intermediary component that mediates between third-party security services and the virtual network. The service gateway provides standardized interfaces and handling mechanisms, allowing security services to be integrated without directly complicating the core virtual network infrastructure. This intermediary absorbs the complexity of service integration while presenting a simplified interface to the network.
Solution Approach 2:
The service gateway is designed with multi-functional capabilities to handle various third-party security services (firewalls, intrusion detection, etc.) through a unified interface. This universal approach allows a single gateway component to manage multiple different security services, reducing the need for separate integration mechanisms for each service type and thereby controlling overall system complexity.
2Adaptability or versatility
If third-party service machines are integrated into logical networks, then service functionality is enhanced, but ease of operation deteriorates
Solution Approach 1:
The service gateway acts as an intermediary that manages the operational complexity of third-party service machines. It provides standardized interfaces for service attachment and configuration, abstracting away the complex operational details of integrating diverse third-party services. Network administrators can attach services through uniform procedures rather than dealing with each service's unique operational requirements.
Solution Approach 2:
The system implements feedback mechanisms where the service gateway monitors and manages third-party service machines, providing status information and automated adjustment capabilities. This feedback loop simplifies operation by automatically handling service health monitoring, resource allocation, and coordination, reducing the manual operational burden on administrators.
3Reliability
If data traffic is redirected through service machines, then network security is improved, but loss of time increases
Solution Approach 1:
The service gateway performs preliminary actions by pre-configuring service attachment interfaces and establishing traffic redirection paths before actual data traffic needs to be processed. Service machines are pre-integrated and registered with the gateway, so when traffic needs to be redirected for security processing, the pathways are already established, minimizing the time penalty of redirection.
Solution Approach 2:
The patent segments traffic handling by directing only specific traffic flows that require security services through the service machines, while allowing other traffic to pass through the network without redirection. This selective segmentation minimizes the overall time loss by subjecting only necessary traffic to the additional security processing steps.
Data Source
AI summary
Some embodiments provide a method for configuring a gateway machine in a datacenter. The method receives a definition of a logical network for implementation in the datacenter. The logical network includes at least one logical switch to which logical network endpoints attach and a logical router for handling data traffic between the logical network endpoints in the datacenter and an external network. The method receives configuration data attaching a third-party service to at least one interface of the logical router via an additional logical switch designated for service attachments. The third-party service is for performing non-forwarding processing on the data traffic between the logical network endpoints and the external network. The method configures the gateway machine in the datacenter to implement the logical router and redirect at least a subset of the data traffic between the logical network endpoints and the external network to the attached third-party service.