Edge Gateway Multipath QoS for Cloud Migration
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Solution Overview
Problem
The migration of enterprise applications to cloud environments disrupts the quality of service (QoS) and network paths, as they transition from deterministic MPLS lines to 'best effort' public Internet access, lacking initial setup configurations and requiring manual IT administration for each device.
Innovation Solution
An edge-gateway multipath method that automatically detects WAN links, measures them without external routers, and downloads enterprise-specific configurations to virtual machine edge devices, utilizing a multipath protocol to ensure QoS by identifying applications and applying appropriate traffic management through deep-packet inspection and intelligent link characterization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If enterprises migrate applications to cloud environments using public Internet access, then deployment flexibility and ease of access are improved, but quality of service (QoS) and network path reliability deteriorate due to best effort nature
Solution Approach 1:
The network path is segmented into multiple independent WAN links (e.g., broadband Internet, MPLS, wireless) rather than relying on a single best-effort connection. Each link operates independently, allowing the system to divide traffic across multiple paths to maintain reliability while using public Internet access for deployment flexibility.
Solution Approach 2:
The system dynamically changes network parameters such as path selection, bandwidth allocation, and QoS policies based on real-time link conditions. By adjusting these parameters across multiple WAN links, the system maintains deterministic QoS characteristics even when using public Internet access, resolving the contradiction between flexibility and reliability.
2Manufacturing precision
If manual IT administration is used for each device during migration, then configuration precision is improved, but administrative burden and time consumption increase
Solution Approach 1:
Enterprise-specific configuration data including gateway information is downloaded and pre-configured into edge devices before they connect to the cloud gateway. This preliminary configuration action eliminates the need for manual IT administration during deployment, achieving both precision and time efficiency by preparing configurations in advance.
Solution Approach 2:
Edge devices automatically receive and apply configuration data from a central configuration point without requiring manual IT intervention. The system enables self-service deployment where devices configure themselves using pre-downloaded enterprise-specific configuration data, reducing administrative burden while maintaining configuration precision.
3Productivity
If edge devices are deployed without initial setup configuration, then deployment speed is improved, but configuration accuracy and application performance deteriorate
Solution Approach 1:
Configuration data is downloaded and prepared in advance at a central configuration point before edge devices deploy. This preliminary preparation enables rapid deployment without sacrificing configuration accuracy, as devices receive pre-validated enterprise-specific configuration data including gateway information needed for optimal application performance.
Data Source
AI summary
In one exemplary aspect, an edge-gateway multipath method includes the step of providing an edge device in a local network communicatively coupled with a cloud-computing service in a cloud-computing network. A set of wide area network (WAN) links connected to the edge device are automatically detected. The WAN links are automatically measured without the need for an external router. The edge device is communicatively coupled with a central configuration point in the cloud-computing network. The method further includes the step of downloading, from the central configuration point, an enterprise-specific configuration data into the edge device. The enterprise-specific configuration data includes the gateway information. The edge device is communicatively coupled with a gateway in the cloud-computing network. The communicatively coupling of the edge device with the gateway includes a multipath (MP) protocol.