Abstract
In these years, Enterprise Social Networks such as Microsoft O365 and Sales Force Chatter, have been enforced collaboration functionality and are available as Cloud Services. Enterprises required to provide high value added activities, are adopting Social Network rapidly. This research is to investigate benefits of Enterprise Social Network when adopting as a platform of collaboration for complex programs such as new service development, from the view point of functions of problem solving – gathering, processing, storing, and communicating information. This research is also making analysis based on case studies of Enterprise Social Network deployment. And, the research is to describe required functionality of platform and management to enable high value added enterprise activities.