System for multicast transmission of targeted assets

A method for use in delivering targeted assets in a shared stream network environment comprising:

• operating a network structure of one or more network platforms to establish a first multicast stream wherein multiple end user devices can simultaneously receive the first multicast stream;
• first inserting, into said first multicast stream, first programming content having a first asset delivery opportunity associated with a time window of said first programming content;
• and
• second inserting, into a second multicast stream, the same as or different from said first multicast stream, a set of at least two assets available for delivery in said first asset delivery opportunity of said first programming content together with asset metadata for use by end user devices in selecting one of said set of at least two assets for delivery;
• wherein said end user devices are configured to:
• use the asset metadata to select one asset of said set of at least two assets for delivery in said first asset delivery opportunity of said first programming content such that said end user devices receive targeted assets via multicast in connection with shared stream programming, wherein said metadata comprises one or more of:
• a list of user equipment devices corresponding to one of said set of at least two assets;
• and
• targeting parameters corresponding to one of said set of at least two assets;
• play the first programming content;
• and
• play the selected one asset of said set of at least two assets in the associated time window.