Retail reference architecture · HostStack
Revision 2026-05-19 — narrative only; SKU-specific POP & contract items stay in quotations.
Mental diagram
Visitor / API client
│
▼
┌──────────────────┐
│ CDN/WAF/TLS │ ← optional customer overlays (Bring-your-own CDN)
│ (customer opt-in) │
└────────┬─────────┘
▼
┌──────────────────┐
│ HostStack ingress │ ← BGP + contracted volumetric tiers (published)
│ + edge scrubbing │
└────────┬─────────┘
▼
┌──────────────────────────────────────┐
│ Shared / Cloud cPanel tiers │ KVM Ryzen VPS (control panel–managed)
│ resource envelopes + noisy-neighbour │ dedicated threads vs shared tiers
└────────┬─────────────────────────────┘
│
├── Status + incident narration (public webpage)
├── Ticket + WhatsApp escalation (human audit trail)
└── Authoritative invoice & GST display → authenticated client area cart
Billing boundary
- Browse hoststack marketing pages ↔ Bind billing panel / client area line items ↔ Settle acquirers (subprocessors).
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