NED File src/inet/linklayer/contract/IMacRelayUnit.ned
Name | Type | Description |
---|---|---|
IMacRelayUnit | module interface |
Module interface for modules providing Ethernet switch functionality. These modules handle the mapping between ports and MAC addresses, and forward frames to appropriate ports. |
Source code
// // Copyright (C) 2003 Andras Varga; CTIE, Monash University, Australia // // SPDX-License-Identifier: LGPL-3.0-or-later // package inet.linklayer.contract; import inet.protocolelement.contract.IProtocolLayer; // // Module interface for modules providing Ethernet switch functionality. // These modules handle the mapping between ports and MAC addresses, // and forward frames to appropriate ports. // // Functions: // - relays frames based on their dest MAC addresses (dest-->port mapping) // - models finite buffer size (drops) and finite processing power (latency, queueing) // // Address caching is modeled by a fixed-size lookup table. // When the table is full, the oldest address is kicked out of the cache. // // Entries are also deleted if their age exceeds a certain limit. // // If needed, address tables can be pre-loaded from text files at the beginning // of the simulation; this controlled by the forwardingTableFile module parameter. // // This module is not a concrete implementation, it just defines gates and // parameters a ~IMacRelayUnit should have. Concrete inplementations add // capacity and performance aspects to the model (number of frames processed // per second, amount of memory available in the switch, etc.) // // Known implementations are ~MacRelayUnit and ~Ieee8021dRelay. // moduleinterface IMacRelayUnit extends IProtocolLayer { parameters: @display("i=block/switch"); }