Software upgrade of multi-streaming feature in Common Interface plus V1.4

The paper specifies software upgrade of the multi-streaming feature in CI+ V1.4 (Common Interface plus) as an innovative extension to the CI+ V1.3 specification, which is the industry standard for access to protected TV channels in set-top-box devices. The purpose of this paper is to introduce software upgrade of the resources in previous version of CI+ V1.3 with the multi-streaming functionality of some resources in the new version of CI+ V1.4, in a simple manner in order to enhance capabilities of the previous version of CI+.