2. Defining Terms: Server and Client Client: Server: A software process, or collection of closely related processes, running within an operating system. The same. A server performs services at the request of clients. Software, not hardware.

3. Client and Server as Defined by Socket Calls Client: send() sendto() write() recv() recvfrom() read() recv() recvfrom() read() send() sendto() write() listen() accept() Server:

4. Jabber server OSRF Network router Client

7. Jabber cstore REQUEST client to router router srfsh

9. Jabber cstore REQUEST/RESULT router srfsh

10. Jabber listener REQUEST/RESULT in greater detail router client drone

11. Jabber listener CONNECT router client drone

12. Jabber listener REQUEST/RESULT with a connection router client drone

13. Jabber listener DISCONNECT router client drone