Networking Reference
In-Depth Information
Fig. 2.1
Generic routing model
using exact route with routing tables, (2) representation and forwarding using
exact route with source routing, and (3) representation and forwarding using route
guidance. Again, the choice of the appropriate function strictly depends on the
chosen discovery function (e.g., the reactive self-routing discovery requires the use
of route guidance).
The following pseudo-code shows the interaction and dependency of the route
selection function and the route representation and data forwarding function to be
chosen and the already chosen discovery function. For simplicity, we refer to the
functions by codes—these codes are shown in Fig. 2.1 next to their associated
By breaking down the functionalities into blocks and methods, the protocol
designer can choose whatever functionalities are preferred and suitable for the
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