Company

Company	Kingsoft Cloud	Tencent Cloud
Short profile	Founded in 2012, Kingsoft Cloud owns data centers and POPs around the globe, provides users services and solutions for vertical industries. Relying on technology accumulation, they focus on video and file delivery and support varied protocols including RTMP, HLS, HDS, HTTP TS and HTTP FLV.	Tencent Cloud is a leading global CDN that has resources distributed in 50+ countries and the highest service volume of all CDNs in Asia. It has a massive network with 1,100+ nodes in mainland China, extending beyond major ISPs to more than a dozen local providers.

Products

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

Product	Kingsoft Cloud	Tencent Cloud
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ...		ECDN (Enterprise CDN)
Small file deliveryStatic object delivery; caching of small files (file size <1 MB)		CDN
Large file deliveryStatic object delivery; caching of large files (file size >1 MB)		CDN
Live videoDelivery of live video. RTMP? Transcoding/transmuxing?	Live Stream Acceleration	LVB (Live Video Broadcast )
Video on demandDelivery of on demand video	Video On Demand Acceleration	VOD
Image OptimizationAutomatic image transformation/compression/optimization	Need to enable Kingsoft Standard Storage Service
DNSAuthoritative DNS for customer domain		DNSpod
WAFWeb Application Firewall		WAF
Anti-DDoSDDoS attack protection. Specific product(s) for this.		Anti-DDoS Advanced Anti-DDoS Pro also available
Private CDNDedicated edge resources & custom configs
Edge ComputeRun your code on CDN edge servers		Serverless Cloud Function

Network

Region	Kingsoft Cloud	Tencent Cloud
North America	5	11
Latin America	0	2
Europe	1	6
Russia & CIS	1	1
Asia excl. China	8	21
China	600	1100
Oceania	0	1
Middle-East	1	4
Africa	0	1

Pricing

Pricing & contract duration	Kingsoft Cloud	Tencent Cloud
Minimum contract term	No minimum	None
Minimum monthly costs	No minimum	None
Requests costsCustomers pay for client to CDN requests	None	None
Ingress costsCustomers pay for origin-to-CDN bytes transferred	None	None
NA/EU traffic (low volume)	$0.03 per GB	$0.045 per GB
APAC traffic (low volume)	$0.07 per GB	$0.067 - $0.09 per GB (varies per region)
LATAM traffic (low volume)	$0.08 per GB	$0.11 per GB

Features

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

Web acceleration	Kingsoft Cloud	Tencent Cloud
Instant setupSign up, configure, start testing.	Account creation requires a Kingsoft Cloud employee's assistance	Self-service, credit card required
Change propagation delayHow fast do config changes propagate to all POPs?	5 minutes	5 minutes
Apex/root domain OK No performance degradation when using http(s)://domain.com		Use DNSPod for DNS
HTTP/2
IPv6Do the edge servers have IPv6?
Compression Reduce file size for faster delivery		Resend from origin, or compress on edge Fetch compressed or uncompressed from origin (configurable)
Origin pull - protocolHTTP only or HTTPS possible too?	HTTP and HTTPS. Match protocol	HTTP, HTTPS, match protocol
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	Can be IP address or hostname Can be same host as in client-to-CDN requests
Origin ShieldOne POP pulls from origin, other POPs pull from the shield POP	Setup by a Kingsoft Cloud employee	Custom implementation by Tencent DevOps team
Push / uploadStore your content directly on CDN, no customer origin	Customers can use Kingsoft Standard Storage Service Product. Upload via API. $0.1 per GB stored	Cloud Object Storage with free tier. Upload in the portal or via API
Cache control - CDN caching	By default, CDN honors origin headers Full and granular control is possible	Full and granular control
Cache control - client caching	By default, CDN honors origin headers Full and granular control is possible	Full and granular control
Serve Stale CDN serves cached but expired content in case origin is in trouble	Cache-Control extensions support	Serve stale if origin sends 5xx
Purge Invalidate or delete cached objects on CDN	Avg. purge time is 40s, 99.97% completed within 5 minutes	5 minutes
Purge - capabilities	Purge all, purge by directory, soft purge	Purge all, purge by directory
Analytics		Many metrics available in console and via API
Log files	Accessible via UI and API. Free	W3C formatted. Available for download in console and via API. Log roll period and delay depends on traffic volume.
API	Purge, configuration, analytics, logs	Purge, configuration, analytics, logs

HTTPS & Content Protection	Kingsoft Cloud	Tencent Cloud
CDN domain HTTPSUse the CDN's domain, like cloudfront.net	SNI
Customer domain HTTPSYour domain in the CDN's certificate	SNI. Pricing is custom	SNI. First 20 DV certs are free. Wildcard allowed TrustAsia is the Certificate Authority
Customer cert HTTPSYour certificate on the CDN	SNI. Pricing is custom. EV cert possible	SNI and free. Wildcard allowed.
Token authentication	Support is needed, custom pricing	4 types of token/URL signing available
Geo blocking	Support is needed, custom pricing	Not self-service, support is needed
Hotlink protectionThird parties cannot deeplink to your content	Whitelist/blacklist on Referer header (max 100 entries)	Based on Referrer or IP address
Basic authenticationUser logs in on the CDN to get content
IP white/blacklisting	Whitelist/blacklist on IP (max 100 entries)	Console and API. Block/allow individual IPs and IP ranges

Support

Customer support	Kingsoft Cloud	Tencent Cloud
Documentation	Good documentation but not public	Good, extensive and public documentation
Humans	Free, 24/7 email support and phone support	24/7 support via the console. Multiple VIP support packages are available