Connected: An Internet Encyclopedia
2.4. Gateways

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2.4. Gateways

2.4. Gateways

Gateways implement internet protocol to forward datagrams between networks. Gateways also implement the Gateway to Gateway Protocol (GGP) [7] to coordinate routing and other internet control information.

In a gateway the higher level protocols need not be implemented and the GGP functions are added to the IP module.

                                    
                   +-------------------------------+   
                   | Internet Protocol & ICMP & GGP|   
                   +-------------------------------+   
                           |                 |         
                 +---------------+   +---------------+ 
                 |   Local Net   |   |   Local Net   | 
                 +---------------+   +---------------+ 

                           Gateway Protocols

                               Figure 3.


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Connected: An Internet Encyclopedia
2.4. Gateways