Comparison of the Verizon Digital Media Services and ChinaCache CDNs

In the tables below you can easily compare Verizon Digital Media Services and ChinaCache for POP locations, pricing and features & support. We hope this helps you better understand the similarities and differences between these Content Delivery Networks.

POP locations Verizon Digital Media Services ChinaCache
POPs in North-America 12HelpAshburn, Atlanta, Boston, Chicago, Dallas, Denver, Los Angeles, Miami, New York, Newark, San Jose, Seattle. 8HelpNew York, Washington, Dallas, Miami, Chicago, Los Angeles, San Jose, Seattle
POPs in Europe 11HelpAmsterdam, Frankfurt, London, Madrid, Milan, Paris, Stockholm, Copenhagen, Helsinki, Vienna, Warsaw. 3HelpLondon, Frankfurt, Paris
POPs in Asia (not China) 12HelpChennai, Bangalore, Mumbai, New Delhi, Singapore, Jakarta, Batam, Kaoshiung, Hong Kong, Osaka, Tokyo, Seoul 7HelpTaiwan, Kuala Lumpur, Tokyo, Seoul, Singapore, HongKong
POPs in China 2HelpBeijing, Shanghai 127HelpThe number of locations is too high to list them all, but cities include Shanghai, Beijing and GuangZhou.
POPs in Australia 2HelpSydney, Melbourne. 0
POPs in South-America 7HelpBarranquilla, Buenos Aires, Lima, Medellin, Rio de Janeiro, São Paulo, Quito 0
POPs in Middle-East 1HelpMuscat 1HelpQatar
POPs in Africa 0 0

A POP is a Point Of Presence, an access point to the Internet. It is a physical, strategically placed location that houses multiple CDN servers.

Pricing Verizon Digital Media Services ChinaCache
Price US/EU traffic - low volume Not Available Not Available
Price US/EU traffic - high volume Not Available Not Available
Extra charge for APAC region traffic Not Available Not Available
Storage Not available
Resellers GoGrid, Speedyrails, JodiHost, TurboBytes

Note: custom price plans are very common in the CDN market, especially for large volume customers. We recommend you always talk to the CDN provider about your needs and requirements and work with them to get a best-fit deal.

Features & Support Verizon Digital Media Services ChinaCache
Origin-Pull Yes YesHelpChinaCache supports 'soft TTL' or 'soft invalidation'. This means that the customer can configure after how long the CDN needs to check on the origin if a file is still valid.
Push (upload to CDN servers) Yes Yes
Purge Yes YesHelpPurge time is 3 to 5 minutes. No more than 100 purge requests at one time.
Purge All Yes Yes
Gzip Resend from origin, or compress on edgeHelpBy default, all Gzip compression is off, even if the origin sends a file compressed. VDMS does gzipping on the edge servers and this is easy to turn on in the online control panel. You can define the MIME types for files that should be compressed yourself which is great. Files larger than 1MB will never be served with compression, but that should not be a problem. If you want VDMS to honor the origin server compression on a cache miss request, you have to ask your VDMS account manager explicitly this on. Resend from origin, or compress on edgeHelpGZIP is not on by default, so make sure you don't forget to turn it on.
Persistent connections Yes Yes
Honors all origin server headers Yes Yes
Can override origin server headers YesHelpVDMS offers 3 modes for handling files with query string parameters (for example all.css?v=1). This can come in quite handy in some cases. Yes
Set caching headers for pushed files Yes Yes
Custom CNAMEs YesHelpYou can have multiple origins and CNAMEs. It's easy to setup in the online control panel. VDMS gives the IP addresses (ranges) of all their POPs, so you can whitelist the access to your origin if you need to. Yes
HTTPS Yes YesHelpCustom CNAME is possible + upload your own certificate.
Control Panel & statistics YesHelpVDMS provides an easy-to-use, intuitive online panel. It includes lots of reports, like Traffic Summary, Data Transferred, Cache Hit Ratio and CDN Storage. You can add Users and grant each user access to specific sections in the control panel. YesHelpInsight in activity per geographical region/country (not per URL) and informationis available in real-time. You get detailed analytics for mainland China.
Access Logs Yes YesHelpDownload via HTTP or have ChinaCache upload the log files to your server via FTP. No extra charge.
API Yes YesHelpSOAP with JSON response. HTTPS end point. You can do purging, get billing info, get usage info. No limit on the number of API calls per month.
Support YesHelpYou get a dedicated account manager and you will also be assigned a dedicated implementation engineer. YesHelp247 phone and email support for all customers. In China you can call a local toll free number.
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