Company

Company	Limelight	BelugaCDN
Short profile	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 offers digital content delivery, live and on-demand video, cloud security and edge computing services.	BelugaCDN launched their services in 2015 and is a pay-as-you-go, low-cost CDN provider. They have a full-featured IPv4+IPv6 network and POPs on 5 continents.

Products

• = Yes
• = Sort of/partially
• = No
• = Unknown

Product	Limelight	BelugaCDN
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ...	Web Acceleration Services
Small file deliveryStatic object delivery; caching of small files (file size <1 MB)	Content Delivery Services
Large file deliveryStatic object delivery; caching of large files (file size >1 MB)	Content Delivery Services
Live videoDelivery of live video. RTMP? Transcoding/transmuxing?	Realtime and Live Streaming	Only delivery of the HTTP video streams, no transcoding or transmuxing
Video on demandDelivery of on demand video	Video Delivery Services	Pseudo-streaming (progressive streaming), byte range requests support
Image OptimizationAutomatic image transformation/compression/optimization	Image Optimization
DNSAuthoritative DNS for customer domain	Managed DNS Services
WAFWeb Application Firewall	Web Application Firewall
Anti-DDoSDDoS attack protection. Specific product(s) for this.	DDoS Attack Interceptor
Private CDNDedicated edge resources & custom configs	Global Private CDN	Available upon request. Extra costs apply
Edge ComputeRun your code on CDN edge servers	Network-Enhanced Edge Compute

Network

Region	Limelight	BelugaCDN
North America	20	13
Latin America	9	1
Europe	15	4
Russia & CIS	0	0
Asia excl. China	16	5
China	10	0
Oceania	3	1
Middle-East	9	0
Africa	3	0

Pricing

Pricing & contract duration	Limelight	BelugaCDN
Minimum contract term	12 months	None
Minimum monthly costs	Varies by product and service	$5
Requests costsCustomers pay for client to CDN requests	None	5000 requests per GB included. Overages $0.0035 per 10k requests
Ingress costsCustomers pay for origin-to-CDN bytes transferred	Yes	None
NA/EU traffic (low volume)	Confidential, market competitive	$0.01 per GB
APAC traffic (low volume)	Confidential, market competitive	Unknown
LATAM traffic (low volume)	Confidential, market competitive	Unknown

Features

• = Yes
• = Sort of/partially
• = No
• = Extra costs
• = Unknown

Web acceleration	Limelight	BelugaCDN
Instant setupSign up, configure, start testing.
Change propagation delayHow fast do config changes propagate to all POPs?	A few minutes	Often instant, sometimes a few minutes
Apex/root domain OK No performance degradation when using http(s)://domain.com	Alias support optional	Global Anycasted IP available, but Beluga recommends against it
HTTP/2
IPv6Do the edge servers have IPv6?
Compression Reduce file size for faster delivery	Resend from origin, or compress on edge	Compress on the fly
Origin pull - protocolHTTP only or HTTPS possible too?	HTTP and HTTPS. Match protocol	HTTP and HTTPS.
Origin pull - Host headerUse client > edge value? Set specific value?	Configure specific other Host header CDN can also forward client request Host header to origin
Origin ShieldOne POP pulls from origin, other POPs pull from the shield POP	Self-service control	Available upon request
Push / uploadStore your content directly on CDN, no customer origin	Origin Storage. Upload via UI or API	Available upon request
Cache control - CDN caching		Honor origin sent headers or configure overrides
Cache control - client caching
Serve Stale CDN serves cached but expired content in case origin is in trouble
Purge Invalidate or delete cached objects on CDN	Instant	Instant
Purge - capabilities	Purge by path, all, pattern, wildcard.	Purge all and purge using regex
Analytics		All metrics are aggregated every 10 seconds, exported in real-time
Log files	Download logs via FTP, SFTP, rsync and scp Delay is ~10 minutes	Real-time export to Elastic Search or Redis. FTP. 10 million requests/month free, $0.50/million events exported overage
API	Purge, analytics, configuration, OVP, origin storage	Purge, analytics, configuration

HTTPS & Content Protection	Limelight	BelugaCDN
CDN domain HTTPSUse the CDN's domain, like cloudfront.net	Free. SNI
Customer domain HTTPSYour domain in the CDN's certificate
Customer cert HTTPSYour certificate on the CDN		Free (SNI) TLS support includes full TLS Dynamic Record Sizing and ECDSA support per Q1 2017
Token authentication	MediaVault. Highly customizable
Geo blocking	IP access control by Geo and IP
Hotlink protectionThird parties cannot deeplink to your content	MediaVault. Highly customizable
Basic authenticationUser logs in on the CDN to get content	MediaVault. Highly customizable
IP white/blacklisting	MediaVault. Highly customizable

Support

Customer support	Limelight	BelugaCDN
Documentation	Yes, but not public	Yes, public
Humans	All customers get 24/7 email and phone support. Customers who purchase Advanced Services have access to a designated Limelight Advanced Services team member.	Basic support (setup & troubleshooting: M-F, 9AM-5PM EST) is included for all accounts. Platinum (monthly spend more than $500) accounts receive priority. Enterprise customers receive phone support (w/ custom SLA).