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Dolphin TCP/IP Stack Software
Dolphin TCP/IP can make the mobile terminals (such as PDA, mobile phone, cell phone, handset, digital camera, POS, ATM, etc.) access the Internet directly without PC. In your mobile device, you can receive and send emails, browse websites, transmit files, etc. Dolphin TCP/IP is a protocol stack software, which needn't depend on particular CPU and operating system (OS). So it can be embedded in the mobile terminals conveniently.
Dolphin TCP/IP stack software is stable, simple and highly portable, suit for resource lacked embedded devices.
Dolphin TCP/IP is a protocol model that contains four layers. They are the application layer, the transport layer (TCP/UDP), the network layer (IP/ICMP) and the data link layer from top to bottom. The system can implement the application interface (Socket interface), the TCP and UDP protocol in the transport layer, the IP and ICMP protocol in the network layer, and the PPP protocol, ARP/RARP protocol in the data link layer:
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