PRIVATE CDN AND EDGE CONTROL Why does your delivery bill grow every time your audience does?

Public CDN pricing is designed to scale with your success. Per-gigabyte bandwidth fees mean every traffic spike, every viral moment, every successful product launch arrives with a billing shock attached. The more your audience grows, the more you pay.

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How public CDN pricing penalizes growth

Three commercial structures turn audience growth into a cost problem:

Metered bandwidth fees spike at exactly the wrong moment

Traffic surges during high-demand events are the moments when your platform's value is highest. They are also the moments your CDN bill spikes hardest.

Premium surcharges on standard edge logic

Commercial CDNs levy per-request execution fees for logic that should be table stakes, turning routine data processing into a recurring financial overhead.

Cache misses force origin over-provisioning

Origins sized for peak traffic are expensive to run and idle most of the time, a cost imposed by the CDN's caching limitations, not your actual infrastructure requirements.

What unpredictable CDN costs your teams

The impact lands differently depending on where you sit:

FinOps practitioner and CFO

Per-gigabyte billing makes monthly edge distribution costs structurally impossible to forecast. Budgets built on averages get broken by spikes, and the variance is entirely outside your control.

CDN architect

Custom cache-key logic, routing rules, and purging configurations that should be standard tooling trigger execution surcharges on commercial CDNs.

Sovereignty and compliance officer

For organisations with data residency requirements or regulatory obligations, the routing opacity of shared public CDN networks creates compliance risk that dedicated private edge eliminates.

Why public CDNs can't solve their own cost problem


Challenge 1

Linear fees penalize success

Metered per-gigabyte rates are not a pricing tier you can negotiate your way out of at scale. The only way to break the relationship between audience size and delivery cost is to move off consumption pricing entirely.


Challenge 2

Basic edge logic carries execution surcharges

Commercial CDNs monetise edge compute separately from delivery. Every token verification, every geoblocking rule, every dynamic rewrite is a billable event layered on top of the bandwidth fee.

Challenge 3

Fragmented cache keys increase origin fetches

Dynamic query strings and unique signature tokens break standard caching logic. Lower hit rates mean more origin fetches, more egress charges, and larger origin clusters to absorb the traffic that should never have reached them.


Challenge 4

Request collapsing failures force over-provisioning

Without sub-millisecond request coalescing, duplicate parallel queries for the same asset reach the origin simultaneously. Origins sized to absorb that burst are over-provisioned for normal traffic, a permanent cost imposed by a CDN limitation.

"By leveraging Varnish caching, we
continued to optimise our user
satisfaction and experience whilst
also staying in control of our steady
state distribution costs, making
it an indispensable asset in our
pursuit of streaming excellence."

Quote

Head of Technology Infrastructure, National state broadcaster

How Varnish solves it

Varnish provides three deployment models that replace consumption-based CDN pricing with flat capacity costs. All three run edge logic natively without per-request surcharges, and all three share the same core Varnish Enterprise caching engine underneath.

01

Shift to flat-capacity billing

Dedicated bare-metal servers inside Tier-1 carrier networks guarantee zero egress, zero ingress, and zero burst charges regardless of traffic volume. Delivery costs decouple from viewer volume entirely.
02

Deploy partner-hosted private edges

A pre-packaged white-label private CDN framework deploys sovereign caching nodes directly onto your hosting provider, telco, or partner ISP infrastructure without needing to build a global physical network from scratch.
03

Establish self-managed origin shields

A high-density caching engine deployed on commodity bare metal or existing VMs intercepts over 150 Gbps of parallel traffic per node, scaling caching capacity without third-party licensing costs.
04

Run logic without surcharge

Dynamic rewrites, TLS termination, token verification, and web filtering run directly inside the core caching process at the outermost network hop. No external serverless compute fees, no added latency.

Three pathways to private edge

Varnish provides three deployment options tailored to your engineering resources, infrastructure strategy, and budget model. All three replace consumption-based CDN pricing with flat capacity costs and run edge logic without per-request surcharges.

 

Ora Streaming

Managed Private CDN-as-a-Service

Varnish Virtual Registry

Best for high-concurrency video and media platforms. A turnkey broadcast-grade private CDN built on dedicated bare-metal hardware inside Tier-1 ISP networks, fully managed around the clock by Varnish engineering experts under a single predictable capacity fee. No operational overhead, no shared infrastructure, no per-gigabyte billing.

 

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Varnish CDN in a Box

Turnkey partner-hosted edge

Varnish AI Accelerator

Best for telcos, ISPs, and managed service providers. A pre-packaged white-label private CDN framework that deploys sovereign caching nodes directly onto your own or your partner's network infrastructure, without building custom edge delivery software from scratch.

 

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Varnish Enterprise

Self-managed software

Varnish Artifact Firewall

Best for platform and infrastructure engineering teams. Complete software-defined control. Deploy a high-density caching engine on commodity bare metal, virtual machines, or cloud environments to build a customised, low-cost origin shield and edge delivery tier. Intercepts over 150 Gbps of parallel traffic per node without third-party licensing fees.

 

View Varnish Enterprise →

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