NED File src/inet/routing/pim/modes/PimDm.ned
Name | Type | Description |
---|---|---|
PimDm | simple module |
Implementation of PIM-DM protocol (RFC 3973). |
Source code
// // Copyright (C) 2013 Brno University of Technology (http://nes.fit.vutbr.cz/ansa) // // SPDX-License-Identifier: LGPL-3.0-or-later // // Authors: Veronika Rybova, Vladimir Vesely ([email protected]), // Tamas Borbely ([email protected]) package inet.routing.pim.modes; // // Implementation of PIM-DM protocol (RFC 3973). // // PIM-DM is a multicast routing protocol which is designed // for networks where the receivers are densely distributed. // PIM-DM initially floods the multicast datagrams to all areas // of the network. If some areas of the network does not have // group members, then they will be pruned off the forwarding tree. // // The prune state of a branch must be confirmed periodically, // otherwise the forwarding restarts automatically. The router // can also cancel the prune by sending a Graft message. // // The module must access the ~PimInterfaceTable and ~PimNeighborTable // modules, their path is given as the 'pimInterfaceTableModule' and // 'pimNeighborTableModule' parameters. // // Other parameters are timer values from the specification. // They should not be modified except for testing purposes. // simple PimDm { parameters: @display("i=block/network2"); string interfaceTableModule; string routingTableModule; string pimInterfaceTableModule; string pimNeighborTableModule; volatile double triggeredHelloDelay @unit(s) = uniform(0s,5s); double helloPeriod @unit(s) = 30s; double holdTime @unit(s) = default(3.5 * helloPeriod); double pruneInterval @unit(s) = 180s; double pruneLimitInterval @unit(s) = 210s; double overrideInterval @unit(s) = 2.5s; double propagationDelay @unit(s) = 0.5s; double graftRetryInterval @unit(s) = 3s; double sourceActiveInterval @unit(s) = 210s; double stateRefreshInterval @unit(s) = 60s; double assertTime @unit(s) = 180s; @signal[sentHelloPk](type=cPacket); @signal[rcvdHelloPk](type=cPacket); @signal[sentGraftPk](type=cPacket); @signal[rcvdGraftPk](type=cPacket); @signal[sentGraftAckPk](type=cPacket); @signal[rcvdGraftAckPk](type=cPacket); @signal[sentJoinPrunePk](type=cPacket); @signal[rcvdJoinPrunePk](type=cPacket); @signal[sentAssertPk](type=cPacket); @signal[rcvdAssertPk](type=cPacket); @signal[sentStateRefreshPk](type=cPacket); @signal[rcvdStateRefreshPk](type=cPacket); gates: input ipIn; output ipOut; }