Skip to content

START_HERE.md

Latest commit

 

History

History
531 lines (404 loc) · 17.8 KB

START_HERE.md

File metadata and controls

531 lines (404 loc) · 17.8 KB

CloudBridge Architecture Documentation - Start Here

Location: /
Updated: November 5, 2025
Status: Complete Reference Set

Quick Start

This folder contains complete architecture documentation for CloudBridge platform.

Reading Order

  1. START HERE (this document) - Navigation guide
  2. CLIENT ARCHITECTURE - CloudBridge Relay Client (NEW)
  3. REQUIREMENTS MATRIX GUIDE - Find what you need (NEW)
  4. INDEX - Document index by role
  5. COMPLETE ARCHITECTURE GUIDE - Full architecture overview
  6. DATA SOURCES - Where all metrics come from
  7. DNS NETWORK ARCHITECTURE - DNS design, anycast, DNSSEC (NEW)
  8. PROTOCOL STACK - Protocol stack architecture (NEW)

Then read based on your role (see below).

Documents in This Folder

Primary Reference Documents

1. CLIENT ARCHITECTURE (NEW)

Purpose: Complete documentation of CloudBridge Relay Client

Contains:

  • Client architecture overview and component hierarchy
  • Core components (Client, Config, Auth, P2P, Tunnel, Heartbeat managers)
  • Protocol support (QUIC, gRPC, WebSocket, WireGuard, ICE/STUN/TURN)
  • Authentication mechanisms (JWT, OIDC with Zitadel, OS keyring)
  • Multi-tenancy and isolation via JWT claims
  • Configuration reference (YAML schema, environment variables)
  • Usage examples (tunnel, P2P mesh, service installation, health checks)
  • Error handling and retry strategies
  • Metrics and observability (Prometheus, structured logging)
  • Troubleshooting guide and diagnostic commands
  • Integration with 8-step architecture pipeline
  • Deployment scenarios
  • Complete roadmap and implementation status

For:

  • Client developers and users
  • System administrators deploying CloudBridge clients
  • Anyone understanding client-relay interaction
  • Integration and testing teams

Start here if: You need to understand how clients connect, authenticate, and interact with the relay infrastructure

2. INDEX

Purpose: Navigation hub by role

Contents:

  • Quick navigation for Architects, Ops, Security, Developers
  • Document descriptions and purposes
  • Key metrics and performance summaries
  • Document relationship diagram

Start here if: You need to find what to read next

3. COMPLETE ARCHITECTURE GUIDE

Purpose: Single comprehensive reference

Contains:

  • Request processing pipeline (8 steps)
  • Component interaction chain
  • 5 isolation layers explained
  • OSI model (L1-L7)
  • Security, performance, deployment

Start here if: You want complete overview

4. TENANT ISOLATION ARCHITECTURE

Purpose: Multi-tenancy deep dive

Covers:

  • 5 distinct isolation layers (Network, App, Resource, Data, Operational)
  • Isolation attributes and inheritance model
  • Peer management with tenant context
  • IPAM (IP Address Management)
  • JWT tokens and Zitadel OIDC
  • Kubernetes NetworkPolicies
  • Calico VRF configuration
  • Database schema with isolation
  • Audit logging and metrics

Start here if: You need to understand multi-tenancy or security

5. PROJECT OVERVIEW

Purpose: 8 components with correct ordering

Describes:

  1. CloudBridge Scalable Relay
  2. CloudBridge DNS Network
  3. CloudBridge Control Plane
  4. CloudBridge DDoS Protection
  5. CloudBridge Monitoring
  6. CloudBridge AI Service
  7. CloudBridge Dashboard
  8. CloudBridge Edge PoPs (3 global locations)

Plus:

  • Data flow and integration
  • Deployment topology
  • Security architecture
  • Performance metrics
  • Operational runbooks

Start here if: You need to understand system components

6. ARCHITECTURE FLOW

Purpose: Request processing pipeline details

Shows:

  • Client request journey (8 steps)
  • Component interaction matrix
  • Security at each step
  • Performance characteristics per step
  • Request timeline example (215ms end-to-end)
  • Failure scenarios and recovery
  • Latency budget breakdown
  • Throughput capacity

Start here if: You need to understand request processing or troubleshoot latency

7. NETWORK LAYERS OSI MODEL

Purpose: OSI model implementation (L1-L7)

Details:

  • L1 Physical: VPC infrastructure
  • L2 Data Link: Ethernet, VLAN, VXLAN
  • L3 Network: BGP, XDP/eBPF, Calico
  • L4 Transport: QUIC, BBRv3, TCP/UDP
  • L5 Session: MASQUE, WireGuard
  • L6 Presentation: TLS 1.3, mTLS, JWT
  • L7 Application: gRPC, REST, Zitadel

Plus: 10 Mermaid diagrams, data flows, security architecture

Start here if: You need protocol details or layer-specific information

8. PROTOCOL STACK (NEW)

Purpose: Complete protocol stack architecture and implementation

Details:

  • Full protocol stack from physical to application layer
  • Detailed implementation specifications for each layer
  • Protocol interactions and dependencies
  • Configuration and deployment considerations

Plus: Complete protocol specifications, integration points, performance characteristics

Start here if: You need comprehensive protocol stack details or implementation specifications

Reference Documents

9. DATA SOURCES

Purpose: Citation and verification of all metrics

Contains:

  • Where every metric comes from
  • How to verify each specification
  • Component LOC verification methods
  • Performance testing methodology
  • Capacity measurement sources
  • Reliability metrics explanation
  • Configuration references

Use this when:

  • You need to cite a metric
  • You want to verify a specification
  • You're creating related documentation
  • You need test methodology

Every metric in other documents references this file

10. REQUIREMENTS MATRIX (NEW)

Purpose: Component requirements, capabilities, and feature roadmap

Contains - For All 8 Components:

  • Current implementation status (%)
  • Required inputs (data, parameters)
  • Input configuration (all parameters with defaults)
  • Output specifications (what component produces)
  • Futures/Features being built (timeline, priority)
  • Prerequisites for futures (what blocks each feature)
  • Use cases / testing scenarios (how to test and verify)
  • Dependencies (what other components needed)

For Operations:

  • Current capabilities (what works now)
  • Use cases to test component health
  • Dependencies to check
  • Implementation status and timeline

For Developers:

  • Required inputs and parameters
  • Output formats and specs
  • Futures you might implement
  • What prerequisites block your work
  • Dependencies to integrate with

For Planning:

  • Feature roadmap (Q4 2025, Q1 2026)
  • Blocking items (what to do first)
  • Implementation timeline
  • Dependency coordination

Start here if: You need to know what a component needs, what it outputs, what features are coming, or what's blocking work

11. REQUIREMENTS MATRIX GUIDE (NEW)

Purpose: Quick navigation for the Requirements Matrix

Contains:

  • By role: quick reading paths (Operations, Developers, Product/Planning)
  • By component: quick links to each of 8 components
  • By feature: what's being built in Q4/Q1
  • Finding blocking dependencies: process for identifying blockers
  • Key statistics: component readiness, blocking items
  • How sections are organized: explanation of matrix structure
  • Examples: common scenarios and how to use the matrix

Use this for:

  • Quick navigation
  • Finding your specific need
  • Identifying blockers for your feature
  • Planning dependencies
  • Understanding matrix organization

Start here if: You have a quick question or need to find something specific in the matrix

12. README

Purpose: Quick navigation for previous location

Contains:

  • Core documents list
  • Quick navigation by role
  • Key technologies
  • Cross-references

How to Use This Documentation

If you are...

An Architect

  1. Start: REQUIREMENTS MATRIX GUIDE (5 min - overview)
  2. Read: COMPLETE ARCHITECTURE GUIDE (5 min)
  3. Study: TENANT ISOLATION ARCHITECTURE (15 min)
  4. Reference: REQUIREMENTS MATRIX (component needs & futures)
  5. Deep dive: NETWORK LAYERS OSI MODEL (10 min)
  6. Protocol stack: PROTOCOL STACK (15 min)
  7. DNS: DNS NETWORK ARCHITECTURE (anycast, DNSSEC roadmap) (10 min)
  8. Cite from: DATA SOURCES (when documenting)

An Operations Engineer

  1. Start: REQUIREMENTS MATRIX GUIDE (find your component)
  2. Read: ARCHITECTURE FLOW (10 min)
  3. Reference: REQUIREMENTS MATRIX (component capabilities & use cases)
  4. Study: PROJECT OVERVIEW (deployment section) (5 min)
  5. Troubleshoot: ARCHITECTURE FLOW (failure scenarios)
  6. Security: TENANT ISOLATION ARCHITECTURE (isolation section)
  7. DNS: DNS NETWORK ARCHITECTURE (zones, records, failover) (10 min)

A Security/Compliance Officer

  1. Start: REQUIREMENTS MATRIX GUIDE (dependencies & blockers)
  2. Read: TENANT ISOLATION ARCHITECTURE (20 min)
  3. Reference: REQUIREMENTS MATRIX (prerequisites & dependencies)
  4. Study: NETWORK LAYERS OSI MODEL (L6-L7) (10 min)
  5. Verify: COMPLETE ARCHITECTURE GUIDE (compliance section)
  6. Cite: DATA SOURCES (all metrics)

A Developer/Engineer

  1. Start: REQUIREMENTS MATRIX GUIDE (find your component)
  2. Reference: REQUIREMENTS MATRIX (inputs, outputs, blockers, futures)
  3. Read: COMPLETE ARCHITECTURE GUIDE (10 min)
  4. Study: ARCHITECTURE FLOW (request flow) (10 min)
  5. Multi-tenancy: TENANT ISOLATION ARCHITECTURE (15 min)
  6. Deep dive: NETWORK LAYERS OSI MODEL (10 min)
  7. Protocol stack: PROTOCOL STACK (implementation details) (15 min)
  8. DNS specifics: DNS NETWORK ARCHITECTURE (integration with Control Plane)

Key Metrics at a Glance

Performance

  • P2P latency: < 1ms (source: QUIC benchmarks)
  • Via 1 PoP: < 5ms (source: Controlled tests)
  • End-to-end: 215ms (source: Latency budget calculation)
  • Failover: < 500ms (source: PoP failure testing)

Capacity

  • Per PoP: 100 Gbps (source: ISP SLA)
  • DDoS: 800,000 RPS (source: ML model capacity)
  • Availability: 99.99% (source: SLO target)
  • P2P success: 94% (source: Connection analytics)

Scale

  • 8 Components
  • 7 OSI Layers
  • 5 Isolation Layers
  • 3 PoP Locations

Isolation

  • Network: Kubernetes + Calico VRF
  • Application: Zitadel OIDC + JWT
  • Resource: Kubernetes ResourceQuotas
  • Data: IPAM + SERIALIZABLE transactions
  • Operational: Audit logging + metrics

All metrics are cited in DATA SOURCES

Document Relationships

**START HERE**
    |
    +---> **REQUIREMENTS MATRIX GUIDE** (Quick Navigation - START HERE)
    |       |
    |       +---> **REQUIREMENTS MATRIX** (All 8 Components, Detailed)
    |
    +---> **INDEX** (Navigation by role)
    |
    +---> **COMPLETE ARCHITECTURE GUIDE** (Central Hub)
    |       |
    |       +---> **PROJECT OVERVIEW** (8 Components)
    |       |
    |       +---> **TENANT ISOLATION ARCHITECTURE** (Multi-tenancy)
    |       |
    |       +---> **ARCHITECTURE FLOW** (Request Pipeline)
    |       |
    |       +---> **NETWORK LAYERS OSI MODEL** (L1-L7)
    |       |
    |       +---> **PROTOCOL STACK** (Protocol stack architecture)
    |       |
    |       +---> **DNS NETWORK ARCHITECTURE** (Anycast, DNSSEC, integration)
    |       |
    |       +---> **DATA SOURCES** (All References)
    |
    +---> **DATA SOURCES** (Citations for all metrics)

New in this version:

  • REQUIREMENTS MATRIX - Components and features with complete requirements
  • REQUIREMENTS MATRIX GUIDE - Quick navigation for the matrix
  • DNS NETWORK ARCHITECTURE - DNS design, anycast, DNSSEC plan
  • PROTOCOL STACK - Complete protocol stack architecture and implementation

Finding Specific Information

"I need to understand..."

...what each component needs (inputs/outputs) → REQUIREMENTS MATRIX (Section for your component)

...what features are coming and what blocks them → REQUIREMENTS MATRIX GUIDE (Futures section) → REQUIREMENTS MATRIX (Futures/Prerequisites sections)

...how to test if a component is working → REQUIREMENTS MATRIX (Use Cases section for your component)

...what's blocking my feature development → REQUIREMENTS MATRIX GUIDE (Finding Blocking Dependencies) → REQUIREMENTS MATRIX (Prerequisites for Futures)

...the Q4 2025 and Q1 2026 roadmap → REQUIREMENTS MATRIX (Implementation Roadmap section) → REQUIREMENTS MATRIX GUIDE (Key Statistics - Blocking Items)

...the request processing flow → ARCHITECTURE FLOW

...how multi-tenancy works → TENANT ISOLATION ARCHITECTURE

...the system components → PROJECT OVERVIEW

...network protocols and OSI layers → NETWORK LAYERS OSI MODEL

...the complete protocol stack → PROTOCOL STACK

...where a metric comes from → DATA SOURCES

...the complete architecture → COMPLETE ARCHITECTURE GUIDE

...what to read based on my role → INDEX

Standards and References

Network Protocols

  • QUIC (RFC 9000)
  • MASQUE (RFC 9297)
  • TLS 1.3 (RFC 8446)
  • BGP (RFC 4271)
  • WireGuard
  • Calico CNI
  • XDP/eBPF

Cloud Standards

  • Kubernetes 1.28+
  • Docker containers
  • Linux kernel VRF

Compliance

  • GDPR (data isolation, encryption, audit)
  • HIPAA (segmentation, access control)
  • PCI-DSS (network isolation, monitoring)
  • SOC 2 (security, availability, integrity)

Document Set Overview

  1. START HERE - Navigation guide and entry point
  2. CLIENT ARCHITECTURE - CloudBridge Relay Client documentation (NEW)
  3. REQUIREMENTS MATRIX GUIDE - Quick navigation for the matrix (NEW)
  4. INDEX - Navigation by role
  5. COMPLETE ARCHITECTURE GUIDE - Central reference
  6. TENANT ISOLATION ARCHITECTURE - Multi-tenancy deep dive
  7. PROJECT OVERVIEW - 8 components and system overview
  8. ARCHITECTURE FLOW - Request processing pipeline
  9. NETWORK LAYERS OSI MODEL - L1-L7 implementation details
  10. PROTOCOL STACK - Protocol stack architecture and implementation (NEW)
  11. DATA SOURCES - Metric citations and sources
  12. REQUIREMENTS MATRIX - Component requirements and roadmap
  13. DNS NETWORK ARCHITECTURE - DNS design, anycast, DNSSEC, Control Plane integration (NEW)
  14. README - Legacy navigation

Maintenance and Updates

How to Update Architecture Docs

  1. Changing a metric?

    • Update: DATA SOURCES (the source)
    • Update: All docs that reference it
    • Add: Verification method

  2. Adding a new component?

  3. Changing isolation model?

Version Control

Current Version: 3.0 (November 4, 2025)

Major Updates

  • v1.0 - Initial documentation
  • v2.0 - Added isolation layers and multi-tenancy details
  • v3.0 - Complete architecture with data sources

Questions or Issues?

For documentation questions:

  • Check DATA SOURCES for metric citations
  • Check INDEX for role-based navigation
  • Check specific document table of contents

For architecture questions:

Status: Complete and Current
Last Updated: November 5, 2025
Audience: All technical roles
Next Review: Q4 2025