Virtual Switching Overlay for Cloud Network Security
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Solution Overview
Problem
Enterprise data centers face challenges with security, reliability, and visibility in cloud computing environments due to the lack of control and inconsistent interfaces with virtual private clouds, which hinder adoption of cloud computing services.
Innovation Solution
Implementing a virtual switching overlay within the cloud infrastructure, allowing network administrators to regain control over the network access layer, providing secure communication and full visibility through a virtual switch that operates as an access layer switch, creating a secure communication channel between virtual machines and external networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If enterprises use cloud computing services through virtual private clouds, then access to shared computing resources is enabled, but control over network access layer and visibility into infrastructure is lost
Solution Approach 1:
The patent segments the network infrastructure control by introducing a virtual switch that separates the external network interface from the virtual machine network. This allows enterprises to maintain control over the network access layer while still utilizing cloud computing resources, resolving the contradiction between resource accessibility and operational control.
Solution Approach 2:
The virtual switch acts as an intermediary component between the external network and virtual machines within the cloud environment. It provides a control point that enables enterprises to monitor and manage network traffic, maintaining visibility and control while accessing shared computing resources through virtual private clouds.
2Reliability
If cloud providers maintain internal infrastructure as competitive advantage, then service quality is improved, but enterprise visibility and verification capability is reduced
Solution Approach 1:
The virtual switch serves as a transparent intermediary that allows enterprises to observe and verify infrastructure operations without interfering with cloud provider's internal management. It provides visibility into network traffic and infrastructure behavior while maintaining the cloud provider's ability to manage services quality, resolving the information asymmetry.
Solution Approach 2:
The virtual switching overlay provides feedback mechanisms that allow enterprises to monitor infrastructure performance and behavior. This enables verification of service quality and reliability claims while maintaining the cloud provider's operational autonomy, addressing the visibility challenge.
3Adaptability or versatility
If virtual private clouds are implemented, then cloud computing adoption is enabled, but security and compliance assurance is reduced
Solution Approach 1:
The virtual switch acts as a security intermediary that enables enterprises to implement security policies and compliance measures at the network access layer. It provides a control point for monitoring and enforcing security requirements while still enabling cloud service adoption through virtual private clouds.
Solution Approach 2:
The virtual switching overlay is established beforehand to create a secure network environment before cloud services are deployed. This preliminary security infrastructure ensures that security and compliance requirements are met from the outset, enabling confident cloud adoption.
Data Source
AI summary
In one embodiment, a method includes receiving data at a virtual switch located at a network device in a cloud network. The data is received from an external network and destined for one or more virtual machines located in the cloud network and associated with the external network. The method further includes transmitting the data from the virtual switch to the virtual machines. The virtual switch operates as an access layer switch for the external network and creates a virtual switching overlay for secure communication between the virtual machines and the external network. Logic and an apparatus are also disclosed.