Scalability - Refers to how much a system can be expanded. The term by itself implies a positive capability. Secure Channels of Access - Network channels that are safe, such as by use of encryption. Usually there is security associated with access to specific classes of agent services. Hosting is simply a specific type of service.
Agents can offer services to local or remote agents as well.
Sharing - The ability of multiple peers to have collegial access to some resources. SMS is supported by GSM and other mobile communications systems. Unlike paging, short messages are stored and forwarded in SMS centers. In the GSM system, short messages ride on a separate signaling path so they are transmitted simultaneously with voice, data and fax. Web - A system of Internet servers that support specially formatted documents.