Designing an inter-cloud messaging protocol for content distribution as a service (CoDaaS) over future internet

User-generated content (UGC) has become one of the dominant media formats. However, current approach to distribute UGC adds two middlemen (e.g., content aggregator and content distributor) in the value chain, resulting in a higher cost for media consumers. We have proposed a new model for content providers to request content-distribution-as-a-service (CoDaaS) in an on-demand fashion from service providers, thus bypassing the middlemen and reducing the total cost of content distribution. In this paper, we extend the concept of CoDaaS over different flavors of future Internet architecture. One challenge to provide such an emerging service over different Internet architecture is to design an intercloud messaging protocol to provide interoperability among all participant network clouds. To tackle this challenge, we structure the inter-cloud messaging protocol into three components including message vehicle, message format and message content. In particular, we highlight a few options for message vehicle and formats and offer our initial choice with rationale; we also categorize message contents into six sub-domains. This structural approach would make our work toward a proof-of-concept system easier.