Roughly, the TCP Model encapsulates the OSI Model.
+--------------+-------------------+
| OSI LAYER | TCP/IP LAYER |
+--------------+-------------------+
| Application | |
+--------------+ |
| Presentation | Application |
+--------------+ |
| Session | |
+--------------+-------------------+
| Transport | Transport |
+--------------+-------------------+
| Network | Internet |
+--------------+-------------------+
| Data Link | |
+--------------+ Network Interface |
| Physical | |
+--------------+-------------------+