Company snapshot
| Category | Citrix | Fastly |
|---|---|---|
| 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.
Fastly is a global content delivery network (CDN) and edge cloud platform founded in 2011, headquartered in San Francisco, USA. It focuses on delivering fast, secure, and customizable content delivery and edge computing services. Fastly serves a range of enterprise customers, including The New York Times, GitHub, Spotify, and Pinterest, with a developer-centric approach. Its platform emphasizes real-time control, analytics, and edge computing capabilities. Fastly went public in 2019 and remains active, though it has faced challenges with outages and industry slowdowns.
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.
Fastly operates over 60 points of presence (POPs) globally, with a focus on major population centers for low-latency content delivery. Its global anycast network optimizes routing, but its smaller POP count compared to competitors like Akamai or Cloudflare may limit coverage in some regions. Fastly has strong peering agreements, enhancing performance for high-traffic sites. It excels in North America, EMEA, and APAC but has less presence in Africa and LatAm. The platform leverages WebAssembly for edge computing isolation and resiliency.
Feature comparison
| Feature | Citrix | Fastly |
|---|---|---|
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.
Fastly uses a pay-as-you-go (PAYG) model with pricing based on data transfer ($0.12–$0.19 per GB) and requests ($0.0075 per 10,000). Additional features like WAF or edge computing may incur extra costs. No free tier is offered, and pricing targets enterprise users. Full details are available at https://www.fastly.com/pricing.
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.
Fastly supports Terraform for infrastructure-as-code, with recent updates like the Terraform Provider 7.1.0 adding domain metadata and IPv6 preferences. It offers SDKs and APIs for custom integrations, CI/CD pipelines, and real-time analytics. Realtime logs and log-push capabilities integrate with monitoring tools like Splunk or Datadog. Migration tools are limited, but the API-first design simplifies configuration for developers.
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.
- Enterprises needing real-time control and analytics for dynamic content delivery.
- Developers requiring edge computing with Compute@Edge for serverless applications.
- Sites with high-traffic demands in North America, EMEA, or APAC regions.
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 seeking free tiers or simpler, budget-friendly CDN options.
- Users needing extensive POP coverage in Africa or Latin America.
- Applications requiring advanced video streaming features like HLS/DASH packaging or DRM.
History & Notes
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