Company snapshot
| Category | Citrix | OnApp CDN |
|---|---|---|
| Status | active | active |
| Founded | — | — |
| Headquarters | — | — |
| Website | — | — |
| Docs | — | — |
Overview
Citrix, through its NetScaler product line, offers content delivery network (CDN) and application delivery controller (ADC) solutions focused on secure and optimized application delivery. The company provides load balancing, traffic steering, and security features like web application firewalls (WAF) and DDoS protection. Citrix serves enterprises, particularly those requiring hybrid cloud and on-premises solutions. Its customers include large organizations in finance, healthcare, and government sectors. The NetScaler platform integrates with major cloud providers like Microsoft Azure and Amazon CloudFront.
OnApp CDN is a federated content delivery network designed for hosting providers, utilizing spare capacity in OnApp Clouds to deliver content globally. It supports HTTP push, pull, and streaming/live streaming, catering to hosting providers and enterprises managing web content delivery. The platform integrates with OnApp Cloud, enabling users to leverage a network of edge servers for improved performance. It is primarily used by service providers and enterprises needing scalable CDN solutions. The service is operational as of August 16, 2025, with recent updates enhancing its reporting capabilities.
Network & Architecture
Citrix NetScaler operates a global network with points of presence (PoPs) across North America, EMEA, APAC, and LATAM, though exact PoP counts are not publicly disclosed. The platform emphasizes intelligent traffic routing and load balancing, leveraging global server load balancing (GSLB) for optimal performance. It is designed for hybrid deployments, supporting both on-premises and cloud environments. Regional strengths include North America and EMEA, with growing presence in APAC. Limitations may include less focus on smaller-scale or developer-centric use cases compared to competitors like Cloudflare.
OnApp CDN operates a global network of Points of Presence (PoPs) by leveraging spare capacity from OnApp Clouds, though specific PoP counts are not publicly detailed. It uses a federated model, combining edge servers from multiple cloud hosts to ensure broad geographic coverage. The platform supports content delivery across regions including North America, EMEA, APAC, and others, with synchronization between CDN and OnApp Cloud occurring every 20 minutes by default. Regional strengths include flexibility for hosting providers, but limitations may arise from reliance on third-party cloud capacity, potentially affecting consistency in less dense regions.
Feature comparison
| Feature | Citrix | OnApp CDN |
|---|---|---|
waf | ✓ | ✗ |
bot_mitigation | ✗ | ✗ |
ddos | ✓ | ✗ |
rate_limit | ✗ | ✗ |
http3_quic | ✗ | ✗ |
tls13 | ✓ | ✗ |
tiered_cache | ✗ | ✗ |
origin_shield | ✗ | ✗ |
instant_purge | ✗ | ✓ |
stale_while_revalidate | ✗ | ✗ |
stale_if_error | ✗ | ✗ |
image_optimization | ✗ | ✗ |
video_vod | ✗ | ✓ |
video_live | ✗ | ✓ |
drm | ✗ | ✗ |
hls_dash_packaging | ✗ | ✗ |
websockets | ✗ | ✗ |
signed_urls | ✗ | ✗ |
edge_compute | ✗ | ✗ |
functions | ✗ | ✗ |
kv_storage | ✗ | ✗ |
api_first | ✗ | ✓ |
realtime_logs | ✗ | ✓ |
log_push | ✗ | ✗ |
terraform | ✗ | ✗ |
Legend: ✓ = Supported, ✗ = Not supported, — = Not listed
Pricing
Citrix NetScaler operates on an enterprise-only model with pricing based on committed contracts or subscription tiers. No public pay-as-you-go (PAYG) or free-tier options are available. Pricing details are typically customized and require contacting Citrix sales. See https://www.citrix.com/buy/ for more information.
OnApp CDN primarily targets enterprise clients, with pricing typically based on committed contracts tailored to hosting providers. No public per-GB pricing is disclosed, and there is no free tier or pay-as-you-go (PAYG) option widely advertised. Pricing details are available through direct inquiry with OnApp sales teams. For more information, visit https://www.virtuozzo.com/onapp-cdn/.[](https://www.virtuozzo.com/onapp-cloud-docs/7.0/release-notes-onapp-6-4/OnApp%2520CDN.pdf)
Integrations & DevEx
Citrix NetScaler offers APIs for configuration and management but lacks Terraform support or extensive SDKs for developer workflows. It provides integration with Microsoft Azure and other cloud platforms for hybrid deployments. Real-time logs and analytics are limited compared to developer-centric CDNs like Fastly.
OnApp CDN offers API-first integration for managing CDN resources, with documentation available at https://docs.onapp.com/cdn/. Real-time logs support monitoring, but there is no public evidence of Terraform support, SDKs, or specific CI/CD integrations. The platform includes tools for managing CDN resources within the OnApp Control Panel, with recent UI updates enhancing usability. Migration tools or import capabilities are not explicitly documented.
When it fits
- Enterprises needing secure application delivery with robust WAF and DDoS protection.
- Organizations with hybrid cloud and on-premises infrastructure requiring advanced load balancing.
- Businesses integrating with Microsoft Azure or other major cloud providers.
- Hosting providers needing a federated CDN integrated with OnApp Cloud for scalable content delivery.
- Enterprises requiring video VOD and live streaming with global reach through a network of edge servers.
- Users prioritizing API-driven management and real-time logging for CDN operations.
When it doesn’t
- Small businesses or startups looking for cost-effective, PAYG CDN solutions.
- Developers needing edge compute, real-time logs, or extensive API-driven workflows.
- Use cases requiring video streaming, image optimization, or other media-focused CDN features.
- Small businesses or startups seeking pay-as-you-go pricing or free tiers, which OnApp CDN does not offer.
- Organizations needing advanced security features like WAF, DDoS protection, or bot mitigation, which are not documented.
- Users requiring edge compute, image optimization, or specific protocol support like HTTP/3, which are unsupported.
History & Notes
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