Container Network Variable Injection for Reliable Communication
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Solution Overview
Problem
Existing container deployment technologies lack efficient methods for configuring network interfaces and environmental variables, leading to suboptimal communication capabilities and resource management.
Innovation Solution
An apparatus and method that instantiates pods and containers with network annotations, enabling the injection of network environmental variables to configure network interfaces, allowing containers to communicate effectively over various networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If containers are deployed without network environmental variable injection, then container deployment is simple, but network communication capabilities are insufficient
Solution Approach 1:
The system performs preliminary actions by injecting network environmental variables into containers during the pod instantiation phase, before the container application actually needs to communicate over the network. This ensures network configuration is ready in advance, eliminating runtime configuration issues while maintaining deployment simplicity.
Solution Approach 2:
The patent introduces an intermediary mechanism (the network environmental variable injection system) that bridges the gap between simple container deployment and reliable network communication. This intermediary automatically handles the complex task of network configuration by injecting necessary environmental variables, so users don't need to manually configure network settings while still achieving reliable communication.
2Productivity
If manual network configuration is used for containers, then network interfaces can be configured, but resource management becomes inefficient
Solution Approach 1:
The system enables self-service by automatically injecting network environmental variables into containers based on pod specifications and network annotations. This eliminates the need for manual network configuration while maintaining precise control over network interfaces, allowing the system to manage resources efficiently without human intervention.
Solution Approach 2:
The patent changes the approach from manual parameter configuration to automated parameter injection. Network environmental variables are automatically set based on pod specifications and network annotations, transforming the configuration process from a manual, error-prone task to an automated, precise operation that improves both resource management efficiency and configuration accuracy.
3Reliability
If network environmental variables are not injected, then container instantiation is fast, but communication over networks is suboptimal
Solution Approach 1:
The system performs network environmental variable injection as a preliminary action during pod instantiation, before the container begins its primary function. This timing ensures that network configuration is completed in advance, so when the container starts, network communication is immediately reliable without adding significant delay to the instantiation process.
Data Source
AI summary
A pod on a host receives a pod specification annotated with network data. The pod is instantiated on the host. The pod calls a container network interface (CNI) and passes the CNI the network data. The CNI creates network interfaces according to the network data. The pod calls a container runtime interface (CRI) to instantiate containers for the pod. The CNI and CRI are implemented by an agent that retains the network data. The CRI extracts environmental variables from the network data and configures the containers to use the environmental variables.