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Akamai versus Limelight

Easily compare Akamai and Limelight for POP locations, products, pricing, features & support. We hope this helps you better understand the similarities and differences between these content delivery networks.

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Company

Company Akamai Limelight
Short profile Akamai is one of the oldest CDNs and generally considered to be the largest global CDN. They have 'servers everywhere' and a wide range of products and services. The company is actively involved in Let's Encrypt and is pushing HTTP/2 adoption. Limelight (NASDAQ: LLNW) has been a strong player in the CDN market since 2001. Limelight has a large, high-capacity network with POPs on many continents and an integrated suite of live and on-demand video delivery, web acceleration and security services.

Products

Product Akamai Limelight
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... Available/supported Available/supported
Small file deliveryStatic object delivery; caching of small files (file size <1 MB) Available/supported Available/supported
Large file deliveryStatic object delivery; caching of large files (file size >1 MB) Available/supported Available/supported
Live videoDelivery of live video. RTMP? Transcoding/transmuxing? Available/supported Available/supported
Video on demandDelivery of on demand video Available/supported Available/supported
Image OptimizationAutomatic image compression/optimization Available/supported Not available/supported
DNSAuthoritative DNS for customer domain Available/supported Partially
WAFWeb Application Firewall Available/supported Available/supported
Anti-DDoSDDoS attack protection. Specific product(s) for this. Available/supported Available/supported
Private CDNDedicated edge resources & custom configs Unknown Partially

Network

Region Akamai Limelight
North America Unknown 16
Latin America Unknown 5
Europe Unknown 12
Russia & CIS Unknown 0
Asia, excl China Unknown 9
China Unknown 0
Oceania Unknown 1
Middle-East Unknown 5
Africa Unknown 0

Pricing

Pricing & contract duration Akamai Limelight
Minimum contract term 12 months 12 months
Minimum monthly costs Unknown Varies by product and service
Requests costsCustomers pay for client to CDN requests Unknown None
Ingress costsCustomers pay for origin-to-CDN bytes transferred Unknown Yes
NA/EU traffic (low volume) Unknown Confidential, market competitive
APAC traffic (low volume) Unknown Confidential, market competitive
LATAM traffic (low volume) Unknown Confidential, market competitive

Features

Web acceleration Akamai Limelight
Instant setupSign up, configure, start testing. Not available/supported Can't sign up and get started. Must talk to sales. Available/supported
Change propagation delayHow fast do config changes propagate to all POPs? Unknown Partially A few minutes
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com Extra costs If you also use their Fast DNS for your domain Not available/supported Non-Anycasted network
HTTP/2 Available/supported Available/supported
IPv6Do the edge servers have IPv6? Unknown Available/supported
Compression CDN Guide: CompressionReduce file size for faster delivery Resend from origin, or compress on edge Resend from origin
Origin pull - protocolHTTP only or HTTPS possible too? Available/supported HTTP and HTTPS Available/supported HTTP and HTTPS.
tooltip Match protocol
Origin pull - Host headerUse client > edge value? Set specific value? Unknown Available/supported Configure specific other Host header
tooltip CDN can also forward client request Host header to origin
Origin shieldOne POP pulls from origin, other POPs pull from the shield POP Unknown Available/supported Self-service control
Push / uploadStore your content directly on CDN, no customer origin Unknown Extra costs Origin Storage. Upload via UI or API
Cache control - CDN caching Unknown Available/supported
Cache control - client caching Unknown Available/supported
Serve stale CDN Guide: Serve staleCDN serves cached but expired content in case origin is in trouble Available/supported Available/supported
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Unknown Available/supported Instant
Purge - capabilities Unknown Partially Purge all but not purge by directory or tag or header
Analytics Unknown Available/supported
Log files Unknown Extra costs Download logs via FTP, SFTP, rsync and scp
tooltip Delay is ~10 minutes
API Unknown Partially Purge, analytics. Configuration API is beta in Q1 2017
HTTPS & Content Protection Akamai Limelight
CDN domain HTTPSUse the CDN's domain, like cloudfront.net Unknown Available/supported Free. SNI
Customer domain HTTPSYour domain in the CDN's certificate Unknown Extra costs
Customer cert HTTPSYour certificate on the CDN Unknown Extra costs
Token authentication Unknown Available/supported MediaVault. Highly customizable
Geo blocking Unknown Available/supported MediaVault. Highly customizable
Hotlink protectionThird parties cannot deeplink to your content Unknown Available/supported MediaVault. Highly customizable
Basic authenticationUser logs in on the CDN to get content Unknown Not available/supported
IP white/blacklisting Unknown Available/supported MediaVault. Highly customizable

Support

Customer support Akamai Limelight
Documentation Partially Yes, but not public Partially Yes, but not public
Humans Unknown Available/supported All customers get 24/7 email and phone support. Customers who purchase Advanced Services have access to a designated Limelight Advanced Services team member.