NexusGrid Specification

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NexusGrid

A Universal Standard for Network Choice

NexusGrid is a modular, provider-neutral specification for universal telecommunications connectivity.

NexusGrid enables users, devices, vehicles, edge AI systems, and other connected systems to discover, evaluate, select, combine, and transition between available connectivity networks based on location, availability, performance, cost, security, reliability, and user-defined policy.

The specification is designed to eliminate unnecessary provider and vendor lock-in by separating connectivity management from any individual telecommunications provider, hardware manufacturer, operating system, or network technology.

Purpose

Modern connected devices frequently depend on a single telecommunications provider, a limited set of approved networks, or proprietary connectivity management systems. This can restrict user choice, create vendor lock-in, increase costs, and reduce resilience when connectivity conditions change.

NexusGrid defines a common connectivity architecture that allows compatible systems to work across multiple providers and connectivity technologies.

The specification is designed around the principle:

The user should be able to choose the best available connection without being permanently locked to a single provider, vendor, device ecosystem, or network technology.

Design Principles

Provider Neutrality

NexusGrid MUST NOT require exclusive dependence on a particular telecommunications provider.

Provider-specific functionality MUST remain modular and MUST NOT become a mandatory dependency of the NexusGrid core.

User Choice

Users SHOULD retain control over connectivity preferences, provider selection, cost limits, security requirements, and network priorities.

Automated connectivity decisions SHOULD remain subject to user-defined policies.

Modular Design

NexusGrid is divided into independent core modules and optional plugin modules.

Core modules define the fundamental connectivity architecture.

Optional plugin modules extend the system with additional providers, technologies, policies, integrations, and capabilities without requiring changes to the core specification.

Technology Independence

NexusGrid MUST NOT be limited to a specific telecommunications technology.

Implementations SHOULD support multiple connectivity technologies when the underlying hardware permits.

Local-First Operation

Core connectivity decisions SHOULD be capable of operating locally on the device.

Basic network discovery, evaluation, policy enforcement, and connection management SHOULD NOT require a centralized cloud service.

Interoperability

NexusGrid defines common interfaces between connectivity technologies, providers, devices, applications, and decision systems.

Independent implementations SHOULD be capable of interoperating without requiring proprietary platform dependencies.

Extensibility

New connectivity technologies, providers, hardware platforms, and network management capabilities SHOULD be implementable through modular extensions.

Core Architecture

NexusGrid consists of a set of interoperable core modules.

Each core module addresses a specific function and SHOULD remain independently replaceable where practical.

Core Modules

1. Connectivity Abstraction Module

Provides a common abstraction for different connectivity technologies.

The module SHOULD:

Represent different network technologies through standardized interfaces.
Provide a consistent interface for applications and higher-level services.
Separate connectivity management from underlying hardware.
Support Wi-Fi, cellular, satellite, Ethernet, mesh, private networks, and future connectivity technologies.
Allow new access technologies to be integrated without redesigning the NexusGrid core.

2. Network Discovery Module

Discovers available connectivity networks.

The module SHOULD:

Identify available networks.
Identify supported connectivity technologies.
Identify providers where available.
Determine whether a network is accessible to the device.
Support continuous discovery as a device changes location.
Support discovery across stationary and mobile environments.
Provide network candidates to the Network Selection Module.

3. Availability Module

Determines whether discovered networks can provide usable connectivity.

The module SHOULD evaluate:

Current availability.
Coverage.
Connection status.
Network accessibility.
Service availability.
Authentication availability.
Estimated network capacity.
Connection reliability.

A network SHOULD NOT be considered preferable solely because it is detectable.

4. Network Selection Module

Determines which available connectivity path should be used.

The module SHOULD consider:

Signal quality.
Bandwidth.
Latency.
Packet loss.
Reliability.
Congestion.
Availability.
Cost.
Security.
Privacy.
Energy consumption.
User preferences.
Application requirements.
Location.
Current connectivity conditions.

Signal strength MUST NOT be the sole network selection criterion.

5. Connectivity Policy Module

Provides user and system-defined connectivity policies.

Policies MAY specify:

Preferred providers.
Restricted providers.
Preferred network technologies.
Minimum signal quality.
Maximum latency.
Minimum bandwidth.
Maximum cost.
Data usage limits.
Security requirements.
Privacy requirements.
Battery requirements.
Failover requirements.
Location-specific preferences.
Application-specific requirements.
Automatic switching permissions.

Policies SHOULD be portable between compatible NexusGrid implementations.

6. Signal Intelligence Module

Continuously evaluates the quality of active and available connections.

The module SHOULD monitor:

Signal strength.
Signal stability.
Latency.
Packet loss.
Bandwidth.
Congestion.
Connection reliability.
Network availability.

The module SHOULD identify degrading connections before complete connectivity loss whenever possible.

7. Connectivity Continuity Module

Maintains connectivity while network conditions change.

The module SHOULD:

Detect degrading connections.
Identify alternative connectivity paths.
Prepare alternative connections when possible.
Support make-before-break transitions.
Reduce unnecessary connection interruptions.
Transition between eligible networks according to policy.
Recover from connectivity failures.
Support session continuity where underlying protocols and applications permit it.

8. Multi-Access Module

Manages multiple simultaneous connectivity paths.

The module SHOULD:

Support multiple active network connections.
Maintain primary and secondary connectivity paths.
Support redundant connectivity.
Route traffic according to policy and application requirements.
Support automatic failover.
Allow compatible multipath technologies to be integrated.

A NexusGrid implementation MAY use multiple networks simultaneously when hardware, protocols, provider policies, and user policies permit.

9. Provider Management Module

Separates provider relationships from the NexusGrid core.

The module SHOULD:

Maintain provider information.
Manage provider-specific connection requirements.
Support multiple providers.
Allow providers to be added or removed independently.
Prevent provider-specific functionality from becoming a core dependency.
Support replacement of providers without requiring replacement of the entire NexusGrid implementation.

10. Credential Management Module

Manages credentials required to access supported networks.

The module SHOULD:

Store provider credentials independently from the core connectivity architecture.
Support multiple provider credentials.
Provide secure credential access to authorized connectivity modules.
Allow credentials to be added, removed, or replaced independently.
Prevent unnecessary exposure of credentials to unrelated modules.

11. Security Module

Provides connectivity security controls.

The module SHOULD:

Support authentication mechanisms appropriate to the underlying network.
Support secure communications.
Evaluate network security characteristics.
Enforce user-defined minimum security requirements.
Identify networks that do not satisfy configured security policies.
Support secure provider authentication without making the core dependent on a particular provider.

12. Privacy Module

Provides privacy controls for connectivity selection and management.

The module SHOULD:

Allow privacy requirements to influence network selection.
Minimize unnecessary disclosure of user preferences.
Support local processing of connectivity decisions.
Limit telemetry according to user policy.
Separate connectivity management from unnecessary third-party tracking.

13. Cost Management Module

Allows connectivity cost to influence network selection.

The module SHOULD:

Identify available cost information where available.
Support free and paid networks.
Support provider-specific pricing information through optional integrations.
Allow users to define maximum spending limits.
Allow applications to specify cost requirements.
Include cost as an optional network selection factor.

14. Telemetry Module

Provides standardized connectivity information.

The module SHOULD provide information about:

Active connections.
Available networks.
Connection quality.
Network transitions.
Failover events.
Connectivity failures.
Network performance.
Selection decisions.

Telemetry SHOULD support local storage and SHOULD NOT require transmission to a centralized service.

15. Decision Transparency Module

Provides visibility into automated connectivity decisions.

The module SHOULD allow authorized users and systems to determine:

Which network was selected.
Which networks were considered.
Which policy influenced the decision.
Which performance characteristics influenced the decision.
Why a transition occurred.
Why an available network was rejected.

16. Edge AI Interface Module

Provides a standardized interface between NexusGrid and edge AI systems.

The module SHOULD allow authorized AI systems to:

Query connectivity availability.
Evaluate network quality.
Request connectivity changes.
Request higher bandwidth.
Request lower latency.
Request higher reliability.
Request cost optimization.
Request failover.
Evaluate multiple connectivity paths.
Respond to changing connectivity conditions.

AI systems MUST remain subject to applicable user and system policies.

17. Vehicle Connectivity Module

Provides connectivity management for moving platforms.

The module SHOULD support:

Continuous network discovery while moving.
Cellular transitions.
Wi-Fi transitions.
Satellite connectivity.
Multi-provider operation.
Location-aware connectivity policies.
Connectivity failover.
Multiple simultaneous network paths.
Connectivity requirements for navigation, telemetry, communications, and edge computing.

18. Application Connectivity Module

Allows applications to express connectivity requirements without directly managing individual providers.

Applications MAY specify requirements such as:

Low latency.
High bandwidth.
High reliability.
Low cost.
High security.
High privacy.
Continuous connectivity.
Geographic availability.

The NexusGrid policy and selection system SHOULD determine how those requirements are satisfied.

Optional Plugin Modules

NexusGrid supports optional plugin modules that extend the capabilities of the core system.

Plugins MUST use defined NexusGrid interfaces and SHOULD operate independently from unrelated core modules.

Provider Plugins

Provider plugins MAY provide:

Provider discovery.
Provider authentication.
Provider-specific network information.
Provider availability.
Provider pricing.
Provider account information.
Provider-specific roaming capabilities.

Provider plugins MUST NOT require exclusive use of the provider.

Wi-Fi Plugins

Wi-Fi plugins MAY provide:

Advanced Wi-Fi discovery.
Network authentication.
Wi-Fi roaming.
Access point selection.
Signal analysis.
Wi-Fi quality measurement.
Wi-Fi network prioritization.

Cellular Plugins

Cellular plugins MAY provide:

Cellular network discovery.
SIM and eSIM integration.
Carrier authentication.
Cellular signal analysis.
Cellular network selection.
Cellular roaming.
Multi-carrier management.

Satellite Plugins

Satellite plugins MAY provide:

Satellite provider discovery.
Satellite connection management.
Satellite availability.
Satellite coverage information.
Satellite failover.
Satellite cost information.

Mesh Network Plugins

Mesh plugins MAY provide:

Mesh discovery.
Peer connectivity.
Community network integration.
Local routing.
Dynamic mesh path selection.
Mesh availability analysis.

Vehicle Plugins

Vehicle plugins MAY integrate NexusGrid with:

Vehicle communication systems.
Telematics systems.
Navigation systems.
Vehicle-mounted cellular hardware.
Vehicle Wi-Fi.
Satellite systems.
Fleet management systems.
Edge computing platforms.

Edge AI Plugins

Edge AI plugins MAY integrate NexusGrid with:

Local AI agents.
Edge inference systems.
Autonomous devices.
Robotics platforms.
Industrial AI systems.
Distributed AI systems.
AI-based network optimization.

Cost Optimization Plugins

Cost optimization plugins MAY provide:

Provider pricing.
Data usage monitoring.
Cost forecasting.
Subscription comparison.
Budget enforcement.
Automatic low-cost network selection.

Privacy Plugins

Privacy plugins MAY provide:

Privacy scoring.
Network trust evaluation.
Tracking policy enforcement.
Local identity management.
Privacy-preserving network selection.

Security Plugins

Security plugins MAY provide:

Network trust evaluation.
Certificate management.
Authentication extensions.
Security scoring.
Threat detection.
Secure network enforcement.

Geographic Intelligence Plugins

Geographic plugins MAY provide:

Coverage information.
Location-aware provider discovery.
Geographic availability.
Regional network information.
Travel-based connectivity planning.
Vehicle route connectivity analysis.

Application-Specific Plugins

Application plugins MAY optimize connectivity for:

Video.
Voice.
Gaming.
Industrial control.
Emergency communications.
Autonomous systems.
Telemetry.
Cloud computing.
Edge computing.
AI inference.
Large data transfers.

Plugin Independence

Optional plugins SHOULD:

Be independently installable.
Be independently replaceable.
Use standardized NexusGrid interfaces.
Avoid modifying unrelated core modules.
Clearly identify required permissions.
Clearly identify provider dependencies.
Clearly identify data collected or processed.
Respect user-defined connectivity policies.

A plugin MUST NOT override higher-priority user, security, or system policies without explicit authorization.

Network Selection Model

NexusGrid treats connectivity as a collection of available paths rather than a permanent relationship with a single provider.

A device MAY simultaneously identify:

Wi-Fi networks.
Cellular networks.
Satellite networks.
Ethernet connections.
Mesh networks.
Private networks.
Community networks.
Enterprise networks.
Municipal networks.
Other compatible connectivity technologies.

The Network Selection Module evaluates eligible paths and applies the active connectivity policy.

Dynamic Connectivity

NexusGrid is designed for connectivity conditions that continuously change.

A compatible implementation SHOULD be capable of:

Discovering available networks.
Evaluating network availability.
Measuring network quality.
Applying user and system policies.
Selecting an appropriate connection.
Monitoring the active connection.
Detecting degradation.
Identifying alternative paths.
Establishing an alternative connection.
Transitioning traffic when possible.
Releasing the previous connection when no longer required.

Strongest Signal Principle

NexusGrid does not define strongest signal as synonymous with best connection.

Signal strength is one factor among multiple network characteristics.

A lower-strength network MAY be selected when it provides:

Lower latency.
Higher bandwidth.
Lower packet loss.
Greater reliability.
Better security.
Lower cost.
Better privacy.
Greater availability.
Better compatibility with the current application.

User Choice

NexusGrid places network choice at the user and policy level.

Users SHOULD be able to:

Choose preferred providers.
Exclude providers.
Choose preferred network technologies.
Set maximum costs.
Set minimum quality requirements.
Set security requirements.
Set privacy requirements.
Allow or prevent automatic switching.
Prioritize reliability.
Prioritize performance.
Prioritize battery efficiency.
Allow or prevent simultaneous provider use.

Vendor Lock-In Prevention

NexusGrid is designed to prevent unnecessary dependency on:

Telecommunications providers.
Hardware manufacturers.
Vehicle manufacturers.
Operating systems.
Cloud platforms.
Network management platforms.
Proprietary connectivity services.

Provider and vendor integrations SHOULD remain replaceable modules.

Users SHOULD be able to migrate between compatible providers without replacing the NexusGrid architecture.

Future Compatibility

NexusGrid is designed to accommodate future connectivity technologies.

New technologies SHOULD be integrated through modular interfaces rather than requiring fundamental changes to the core architecture.

Potential future integrations MAY include:

Future generations of cellular networks.
Advanced Wi-Fi technologies.
New satellite systems.
Community networks.
Vehicle-to-network systems.
Vehicle-to-vehicle networks.
New mesh technologies.
High-altitude connectivity systems.
Emerging telecommunications technologies.

Implementation Independence

NexusGrid defines an architecture and interoperability model rather than requiring a single implementation.

Multiple independent implementations MAY exist.

Implementations MAY differ in:

Operating system.
Hardware.
Programming language.
User interface.
Network technologies.
Provider integrations.
Policy engines.
AI systems.
Plugin ecosystems.

Compatible implementations SHOULD preserve the standardized interfaces and principles defined by the NexusGrid specification.

Core Objective

NexusGrid establishes a universal connectivity layer where the underlying provider becomes a replaceable component rather than a permanent dependency.

The objective is to make connectivity:

Universal.
Modular.
Interoperable.
Provider-neutral.
User-controlled.
Location-aware.
Availability-aware.
Performance-aware.
Cost-aware.
Security-aware.
Privacy-aware.
AI-compatible.
Vehicle-compatible.
Future-compatible.

NexusGrid

A Universal Standard for Network Choice

Specification Branding License (SBL)

Standard

Fully AGPL-3.0+ compliant system
Copyleft enforced for network deployments
Required attribution:
- Roxanne Ardary
- https://www.roxanneardary.com/

Optional

Specification Branding License (SBL)
- Attribution-free commercial deployment
- Pricing based on scale, usage, and deployment scope
- https://roxanneardary.com/nexusgrid/

License & Notice Requirements

NexusGrid is released under the GNU Affero General Public License v3.0 or later (AGPL-3.0+).
By contributing to any Open Arsenal project, you agree that your contributions will also be released under this license.

Please note the following:

All contributions must comply with the AGPL-3.0+ terms.
Under Section 7 of the license, all redistributions, forks, and derivative works must preserve attribution to:
Roxanne Ardary and roxanneardary.com.
NexusGrid specifications are free to use with attribution. A Specification Branding License can be negotiated upon request.
The project’s notice.md file tracks attribution requirements and contributor acknowledgments.
Any update that adds new contributors or modifies attribution should also update notice.md.
When submitting a pull request, ensure that any new files maintain the attribution headers where applicable.
Network-deployed versions of this software must also remain fully AGPL-3.0+ compliant, including exposure of source code modifications when applicable under the license.

For full legal details, please refer to the AGPL-3.0+ license and the project’s notice.md file.

Notice – NexusGrid

Attribution Requirement: Under Section 7 of the AGPL 3.0+ license, all redistributions, forks, and derivative works, including network-deployed versions of this project, must provide attribution to Roxanne Ardary and roxanneardary.com.

Contributors

This file tracks contributors and their specific contributions to the project.

Roxanne Ardary, roxanneardary.com – August 16, 2026
Created the repository for NexusGrid. Created the Universal Connectivity Standard for provider-neutral telecommunications connectivity, network choice, dynamic connectivity, and interoperability across Wi-Fi, cellular, satellite, mesh, and other connectivity technologies.
[Add other contributors here] – [Date]
[Describe contribution in one sentence]

License – NexusGrid

This repository is licensed under the GNU Affero General Public License v3.0 or later (AGPL-3.0+).

Key Points

You are free to use, modify, and distribute the code.
All redistributions, forks, and derivative works or network-deployed versions must also be licensed under AGPL-3.0+ and provide attribution to Roxanne Ardary and roxanneardary.com as required under Section 7 of the license.
The software is provided “as is,” without warranty of any kind.

For the full license text, see GNU AGPL-3.0 License.