Company snapshot

CategoryComcastTransparent CDN
Statusactiveactive
Founded
Headquarters
Website
Docs

Overview

Comcast operates a content delivery network (CDN) focused on delivering video streaming and low-latency content for ISPs and content providers. As a major U.S. telecommunications provider, Comcast leverages its extensive network infrastructure to support high-quality live sports streaming and video-on-demand services. The CDN, enhanced by partnerships like Qwilt, serves content providers seeking reliable delivery within Comcast’s broadband footprint. It primarily caters to enterprise clients, including those requiring high-bitrate streaming for events like the Paris Olympics in 2024. Comcast’s CDN is integrated with its broader connectivity services, targeting users within its 63 million U.S. locations.
Transparent CDN, founded in 2015 and headquartered in Madrid, Spain, offers content delivery and web optimization services tailored for e-businesses. The provider focuses on accelerating website performance, optimizing images, and providing detailed analytics through real-time logs. Its services are designed to be accessible via an API-first approach, enabling seamless integration for developers. Transparent CDN serves a range of clients, from small businesses to larger enterprises, with a global network presence. The company emphasizes straightforward pricing and ease of use for performance-focused content delivery.

Network & Architecture

Comcast’s CDN operates across its U.S. network, covering 63 million locations, with points of presence (PoPs) optimized for North America. The network uses Qwilt’s Open Edge platform for content caching and delivery, built on Open Caching specifications from the Streaming Video Technology Alliance. It supports high-quality streaming, including 4K UHD, with a focus on live sports and video-on-demand. Routing benefits from Comcast’s backbone infrastructure, but its regional focus limits global coverage. Peering with major ISPs enhances performance in the U.S., though competition from fixed wireless providers like Verizon and T-Mobile impacts its broadband market share.
Transparent CDN operates a global network with points of presence (POPs) across North America, Europe, Asia, and Latin America, though specific POP counts are not publicly disclosed. The provider leverages HTTP/3 and TLS 1.3 for efficient and secure content delivery. Its architecture supports real-time traffic analytics, which aids in performance monitoring. The network is optimized for general web content and image delivery but lacks specialized capabilities for video streaming or edge computing. Regional strengths include Europe and North America, with growing coverage in Asia and Latin America.

Feature comparison

FeatureComcastTransparent 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

Comcast’s CDN pricing is enterprise-only, with no public pay-as-you-go or free-tier options. Costs are typically negotiated based on volume and contract terms, targeting large content providers. No specific per-GB pricing is publicly available, and no pricing page is listed on the official CDN portal.
Transparent CDN uses a pay-as-you-go (PAYG) model with no minimum commitments, making it accessible for small to medium-sized businesses. Pricing is based on data transfer and requests, though specific per-GB rates are not publicly listed. A free trial is available for testing the service. For detailed pricing, visit https://www.transparentcdn.com/pricing.

Integrations & DevEx

Comcast’s CDN offers API-first integration for content management and monitoring, with support for realtime logs. No public documentation confirms Terraform support, SDKs, or CI/CD integrations. Migration tools or import capabilities are not detailed, suggesting a focus on enterprise clients with custom onboarding processes.
The API-first design supports integration with developer workflows, offering programmatic access to configuration and analytics. Real-time logs are available through the Transparent Edge dashboard, aiding in performance monitoring. The provider does not support Terraform or other Infrastructure-as-Code tools, and no SDKs or CI/CD integrations are documented. Migration tools are not explicitly offered, but the API simplifies onboarding for developers familiar with programmatic setups.

When it fits

  • Enterprises needing high-bitrate live video streaming, like sports or events, within the U.S.
  • Content providers integrated with Comcast’s broadband network for low-latency delivery.
  • Organizations seeking a telecom-backed CDN with strong North American coverage.
  • Small to medium-sized e-businesses needing cost-effective CDN services with simple integration.
  • Websites prioritizing image optimization and real-time analytics for performance monitoring.
  • Developers seeking an API-first CDN for programmatic control and global content delivery.

When it doesn’t

  • Businesses requiring global CDN coverage beyond North America.
  • Small or medium-sized businesses looking for pay-as-you-go or free-tier pricing models.
  • Users needing advanced security features like WAF or DDoS protection, which are not publicly documented.
  • Enterprises requiring advanced edge computing, serverless functions, or key-value storage.
  • Businesses focused on video streaming, needing VOD, live streaming, or HLS/DASH packaging.
  • Organizations needing robust security features like WAF, bot mitigation, or rate limiting.

History & Notes