[General]
network = inet.networks.tsn.TsnLinearNetwork
sim-time-limit = 10s
record-eventlog = false
description = "Traffic shaping using credit-based shapers"

####################
# Flow Configuration
#
# Traffic class  Packet interval  CBS data rate  Channel data rate  Priority  Shaping
# Best Effort    200us            ~41.84Mbps     ~42.64Mbps         0         CBS
# Video          400us            ~20.92Mbps     ~21.32Mbps         4         CBS
#
# Applicaion packet length: 1000B
# Credit based shaper packet lengt: 1046B = 1000B + 8B (UDP) + 20B (IP) + 14B (ETH MAC) + 4B (ETH FCS)
# Credit based shaper data rate: 1046B * 8 / Packet interval
# Channel packet length: 1054B = 1000B (APP) + 8B (UDP) + 20B (IP) + 14B (ETH MAC) + 4B (ETH FCS) + 8B (ETH PHY)
# Channel data rate = (1054B + 12B (IFG)) * 8 / Packet interval
####################

# client applications
*.client.numApps = 2
*.client.app[*].typename = "UdpSourceApp"
*.client.app[0].display-name = "best effort"
*.client.app[1].display-name = "video"
*.client.app[*].io.destAddress = "server"
*.client.app[0].io.destPort = 1000
*.client.app[1].io.destPort = 1001
*.client.app[*].source.packetLength = 1000B
*.client.app[0].source.productionInterval = replaceUnit(1 / (sin(dropUnit(simTime()) * 3) + 4.5), "ms")
*.client.app[1].source.productionInterval = replaceUnit(1 / (sin(dropUnit(simTime() * 1)) + sin(dropUnit(simTime() * 8)) + 2), "ms")

# server applications
*.server.numApps = 2
*.server.app[*].typename = "UdpSinkApp"
*.server.app[0].display-name = "best effort"
*.server.app[1].display-name = "video"
*.server.app[0].io.localPort = 1000
*.server.app[1].io.localPort = 1001

# enable outgoing streams
*.client.hasOutgoingStreams = true

# client stream identification
*.client.bridging.streamIdentifier.identifier.mapping = [{stream: "best effort", packetFilter: expr(udp.destPort == 1000)},
                                                         {stream: "video", packetFilter: expr(udp.destPort == 1001)}]

# client stream encoding
*.client.bridging.streamCoder.encoder.mapping = [{stream: "best effort", pcp: 0},
                                                 {stream: "video", pcp: 4}]

# enable egress traffic shaping
*.switch.hasEgressTrafficShaping = true

# disable forwarding IEEE 802.1Q C-Tag
*.switch.bridging.directionReverser.reverser.excludeEncapsulationProtocols = ["ieee8021qctag"]

# credit based traffic shaping
*.switch.eth[1].macLayer.queue.numTrafficClasses = 2
*.switch.eth[1].macLayer.queue.*[0].display-name = "best effort"
*.switch.eth[1].macLayer.queue.*[1].display-name = "video"
*.switch.eth[1].macLayer.queue.transmissionSelectionAlgorithm[*].typename = "Ieee8021qCreditBasedShaper"
*.switch.eth[1].macLayer.queue.transmissionSelectionAlgorithm[0].idleSlope = 42.64Mbps # Channel data rate
*.switch.eth[1].macLayer.queue.transmissionSelectionAlgorithm[1].idleSlope = 21.32Mbps # Channel data rate