Company snapshot

CategoryAmazon CloudFrontComcast
Statusactiveactive
Founded
Headquarters
Website
Docs

Overview

Amazon CloudFront is a content delivery network (CDN) provided by Amazon Web Services (AWS), designed to deliver web content, APIs, and streaming media with low latency and high availability. It integrates with other AWS services like S3, EC2, and Lambda for seamless content storage and compute capabilities. CloudFront serves a wide range of users, from startups to large enterprises, particularly those already using AWS infrastructure. It supports static and dynamic content, video streaming, and edge computing through Lambda@Edge. The service is known for its global reach and integration with AWS’s security and monitoring tools.
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.

Network & Architecture

CloudFront operates over 600 points of presence (PoPs) across 100+ cities in 50+ countries, with regional edge caches for improved performance. It leverages AWS’s global backbone for efficient routing and peering with major ISPs. The service has a strong presence in North America, EMEA, and APAC, with growing coverage in LATAM, India, and the Middle East. Its architecture supports tiered caching and origin shielding to reduce origin load. Limitations include less penetration in Africa and certain APAC regions compared to competitors like Cloudflare.
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.

Feature comparison

FeatureAmazon CloudFrontComcast
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

CloudFront uses a pay-as-you-go (PAYG) model with no upfront commitments. A free tier includes 1 TB of data transfer and 10 million HTTP/HTTPS requests per month for the first year. Pricing varies by region, with per-GB rates starting at $0.085 in the US and Europe, higher in regions like India ($0.109). Enterprise plans are available for high-volume users with custom pricing. Full details: https://aws.amazon.com/cloudfront/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.

Integrations & DevEx

CloudFront supports Terraform for infrastructure-as-code deployments. SDKs are available in multiple languages (Python, Java, Node.js, etc.) for API integration. It integrates with AWS CI/CD tools like CodePipeline and offers real-time logs via CloudWatch and log push via Kinesis. Migration tools include S3 transfer acceleration and origin failover configurations. Analytics are real-time through CloudWatch dashboards, though RUM is not natively supported.
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.

When it fits

  • Organizations already using AWS services (S3, EC2, Lambda) needing tight integration with a CDN.
  • Applications requiring global content delivery with strong support for video streaming and edge computing.
  • Enterprises needing robust security (WAF, DDoS) and customizable caching policies.
  • 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.

When it doesn’t

  • Small businesses or startups looking for simpler, non-AWS-integrated solutions with lower complexity.
  • Users prioritizing deep coverage in Africa or specific APAC regions where PoP density is lower.
  • Budget-conscious buyers seeking predictable pricing without regional rate variations.
  • 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.

History & Notes