University of Southampton
Cloud computing is the hot topic in recent years, and the cloud-based collaborative service is the emerging service. No matter where the users are or which computers the users use, it enables the cloud users to place their data into the cloud. As long as it connects to the Internet, it can store and get the data placed in the cloud. In the collaborative service situation, it can allow other cloud users in the group to share with the private information, such as the editing service in the on-line common file can make many collaborators jointly write a file.