simple-1----Page:3
1  2  3  4  5  6  7  8  9  10 

Updated Data Model
+--------------------------------------------------------------------+
| |
| +----------------+ |
| +----------------+| |
| | || |
| | || |
| | Person || |
| | ||\ |
| /| |+ \ |
| / +----------------+ \ |
| / | \ |
| / | \ |
| / | \ |
| / | \ |
| / | \ |
| V V V |
| +----------------+ +----------------+ +----------------+ |
| +----------------+| +----------------+| +----------------+| |
| | || | || | || |
| | || | || | || |
| | Service || | Service || | Service || |
| | || | || | || |
| | |+ | |+ | |+ |
| +----------------+ +----------------+ +----------------+ |
| \ / \ |
| \ / \ |
| \ / \ |
| V V V |
| +----------------+ +----------------+ |
| +----------------+| +----------------+| |
| | || | || |
| | || | || |
| | Device || | Device || |
| | || | || |
| | |+ | |+ |
| +----------------+ +----------------+ |
| |
| |
| Presentity (URI) |
+--------------------------------------------------------------------+

PPT Version