CPCM HDCP DTCP-IP OMA DRM
Used on LAN, WLAN, Internet DVI, HDMI LAN, WLAN LAN, WLAN, Internet
Allows Recording Yes1 No No Yes1
Allows Remote Access (ala SlingBox) Yes1 No No Unclear
Burn to DVD Yes1 No No Unclear
Load to portable device Yes1 No No Yes1
Tied to Service Provider No No No Yes
FTA Content Encrypted No2 Yes Yes Yes
Revocation of Devices Yes3 Yes Yes Yes

1 Subject to rights granted with content

2 CPCM includes a "Do Not CPCM-Scramble" (DNCS) bit to prevent implementations from encrypting clear content

3 CPCM can ignore revocation status for certain content, e.g. public service broadcasts