Policy-based content insertion

A computer program product, tangibly embodied in a non-transitory computer readable storage medium, the computer program product including instructions being operable to cause a data processing apparatus to:

• receive, at a content server, a content request from a requesting computing device;
• modify, at the content server, the content request by adding data to the content request, the data comprising one or more headers, attributes, or both, based on the content request;
• transmit, by the content server, the modified content request to a second server based on one or more routing policies;
• and
• receive, at the content server, a reply message responsive to the modified content request from the second server, the reply comprising a content insertion instruction comprising data indicative of content to transmit to the requesting computing device.

A system for content insertion, the system comprising:

• a content server comprising:
• a proxy module configured to:
• receive a content request from a requesting computing device;
• modify the content request by adding data to the content request, the data comprising one or more headers, attributes, or both, based on the content request;
• transmit the modified content request to a second server based on one or more routing policies;
• and
• a content insertion module configured to receive a reply message responsive to the modified content request from the second server, the reply comprising a content insertion instruction comprising data indicative of content to transmit to the requesting computing device.

A system for content insertion, the system comprising:

• a means for content insertion comprising:
• a means for receiving a content request from a requesting computing device;
• a means for modifying the content request by adding data to the content request, the data comprising one or more headers, attributes, or both, based on the content request;
• a means for transmitting the modified content request to a second server based on one or more routing policies;
• and
• a means for receiving a reply message responsive to the modified content request from the second server, the reply comprising a content insertion instruction comprising data indicative of content to transmit to the requesting computing device.