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Level 3 versus Imperva

Easily compare Level 3 and Imperva for POP locations, products, pricing, features & support. We hope this helps you better understand the similarities and differences between these content delivery networks.

Level 3 logo Imperva logo

Company

Company Level 3 Imperva
Short profile Level 3 owns and operates a global Tier-1 network and - logically - their CDN runs on top of it. Level 3 CDN has POPs on all continents and their product focus is on video and large object delivery. Level 3 CDN is part of the Google Cloud CDN Interconnect. Imperva's CDN (formerly Incapsula) makes your websites and applications faster, more reliable and safer. A global network of servers provides content caching, load balancing and failover, while an enterprise-grade cloud web application firewall and DDoS protection safeguard your site from the latest threats.

Products

Product Level 3 Imperva
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... Not 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 Not available/supported
Video on demandDelivery of on demand video Available/supported Not available/supported
Image OptimizationAutomatic image compression/optimization Not available/supported Available/supported
DNSAuthoritative DNS for customer domain Not available/supported Partially
WAFWeb Application Firewall Not available/supported Available/supported
Anti-DDoSDDoS attack protection. Specific product(s) for this. Available/supported Available/supported
Private CDNDedicated edge resources & custom configs Not available/supported Not available/supported

Network

Region Level 3 Imperva
North America 30 11
Latin America 9 2
Europe 38 12
Russia & CIS 4 1
Asia, excl China 8 11
China 0 0
Oceania 1 3
Middle-East 5 3
Africa 4 1

Pricing

Pricing & contract duration Level 3 Imperva
Minimum contract term 12 months Unknown
Minimum monthly costs Unknown Unknown
Requests costsCustomers pay for client to CDN requests None Unknown
Ingress costsCustomers pay for origin-to-CDN bytes transferred None Unknown
NA/EU traffic (low volume) Unknown Unknown
APAC traffic (low volume) Unknown Unknown
LATAM traffic (low volume) Unknown Unknown

Features

Web acceleration Level 3 Imperva
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 Available/supported Instant
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com Not available/supported No global Anycast Available/supported Anycasted network (regional)
HTTP/2 Not available/supported Available/supported FAQ
IPv6Do the edge servers have IPv6? Unknown Available/supported IPv6 support
Compression CDN Guide: CompressionReduce file size for faster delivery Resend from origin Compress on the edge
Origin pull - protocolHTTP only or HTTPS possible too? Available/supported HTTP and HTTPS.
tooltip
Available/supported HTTP and HTTPS.
tooltip Can be IP address
Origin pull - Host headerUse client > edge value? Set specific value? Available/supported Configure specific other Host header
tooltip CDN can also forward client request Host header to origin
Available/supported Can configure specific other Host header.
tooltip Forward client request Host header is possible
Origin shieldOne POP pulls from origin, other POPs pull from the shield POP Extra costs Extra costs
Push / uploadStore your content directly on CDN, no customer origin Extra costs FTP, SFTP, rsync. Storage costs apply Not available/supported
Cache control - CDN caching Partially Available/supported Granular control/override rules possible
Cache control - client caching Partially Available/supported Granular control/override rules possible
Serve stale CDN Guide: Serve staleCDN serves cached but expired content in case origin is in trouble Unknown Available/supported
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Available/supported Instant Available/supported Instant
Purge - capabilities Partially Purge all but not purge by directory or tag or header Available/supported Purge all, by directory, by file extension, by tag(s)
Analytics Available/supported Available/supported Real time perf and security events dashboard
Log files Available/supported
tooltip Logs are 24h delayed
Available/supported Available via UI, API, or full SIEM integration
tooltip Logs are not delayed
API Partially Purge, analytics, configuration (but limited) Available/supported Purge, analytics, configuration
HTTPS & Content Protection Level 3 Imperva
CDN domain HTTPSUse the CDN's domain, like cloudfront.net Not available/supported Available/supported CDN and SSL/TLS
Customer domain HTTPSYour domain in the CDN's certificate Extra costs Available/supported
Customer cert HTTPSYour certificate on the CDN Extra costs Available/supported
Token authentication Extra costs Available/supported Via authentication header
Geo blocking Extra costs Available/supported
Hotlink protectionThird parties cannot deeplink to your content Unknown Available/supported
Basic authenticationUser logs in on the CDN to get content Unknown Available/supported Two Factor Authentication
IP white/blacklisting Unknown Available/supported IP address/ranges/subnets, self-service in UI

Support

Customer support Level 3 Imperva
Documentation Partially Yes, but not public Available/supported Yes, public
Humans Available/supported All customers get 24/7 email and phone support Available/supported Imperva’s team of support engineers deliver technical assistance 24x7x365 via phone, email, or online via the self service portal