Omnet++ 无法解析omnet+；中的目标地址+/inet模块

我正在尝试使用INET模块设计一个三层数据中心模型。但是，当我运行网络时，每次创建TCP套接字时，我都会遇到以下错误：

starting session
issuing OPEN command
cannot resolve destination address: 

我的ned文件如下：

内德被解雇了

import inet.nodes.inet.Router;
import inet.nodes.inet.StandardHost;
import inet.nodes.ethernet.Eth10M;
import inet.networklayer.autorouting.ipv4.IPv4NetworkConfigurator;


module Rack
{

    parameters:
        //int N @prompt(“Nodes per rack”);
        int N = default(10)

        @display("bgb=392,190");
    gates:
        inout iogate[];

    submodules:
        ComputingServer[N]: StandardHost {
            @display("p=120,91");
        }
        AccessRouter: Router {

            @display("p=289,91");
        }
        configurator: IPv4NetworkConfigurator;

connections:

        for i=0..N-1 {
            AccessRouter.ethg++ <--> Eth10M <--> ComputingServer[i].ethg++;
        }
        AccessRouter.ethg++ <--> iogate++;
        AccessRouter.ethg++ <--> iogate++;
}

---

请帮我纠正错误。我刚刚开始使用inet进行编码。

有两个错误：

TCP连接是不对称的，它需要客户端和服务器。

TCPBasicClientApp

仅为客户端应用程序。作为服务器，您应该使用

TCPGenericSrvApp

，参考

您没有写入TCP连接的目标地址。您应该决定哪些主机将成为服务器（即侦听传入连接），哪些主机将进行连接（即充当客户端）

例如：假设

Racks[0]

中的

ComputingServer[0]

是一台服务器，它侦听端口号80，并且所有其他主机都连接到它，则您的

omnetpp.ini

应该如下所示：

[Config basic_dcn]
network = Basic_dcn_tcp

**.tcpType = "TCP"
**.tcp.advertisedWindow = 65535
**.tcp.delayedAcksEnabled = false
**.tcp.increasedIWEnabled = false
**.tcp.limitedTransmitEnabled = false
**.tcp.mss = 1452
**.tcp.nagleEnabled =true 
**.tcp.receiveQueueClass = default
**.tcp.recordStats = true
**.tcp.sackSupport = false
**.tcp.sendQueueClass = default
**.tcp.tcpAlgorithmClass = default
**.tcp.timestampSupport = true
**.tcp.windowScalingSupport = false


**.numTcpApps = 1
**.tcpApp[*].startTime = 0s
**.tcpApp[*].requestLength = 350B
**.tcpApp[*].replyLength = 5MiB
**.tcpApp[*].numRequestsPerSession = 1
**.tcpApp[*].thinkTime = 3s
**.tcpApp[*].idleInterval = 10s
**.tcpApp[*].reconnectInterval = 50s

**.tcpApp[*].dataTransferMode = "object"

# Racks[0].ComputingServer[0] listens on port 80
*.Racks[0].ComputingServer[0].tcpApp[*].typename = "TCPGenericSrvApp"
*.Racks[0].ComputingServer[0].tcpApp[*].localPort = 80
*.Racks[0].ComputingServer[0].tcpApp[*].localAddress = "" 

# all other hosts connect to  Racks[0].ComputingServer[0]
*.Racks[*].ComputingServer[*].tcpApp[*].typename = "TCPBasicClientApp"
*.Racks[*].ComputingServer[*].tcpApp[*].localPort = -1
*.Racks[*].ComputingServer[*].tcpApp[*].connectAddress = "Basic_dcn_tcp.Racks[0].ComputingServer[0]"
*.Racks[*].ComputingServer[*].tcpApp[*].connectPort = 80

提示：在

INET

中，可以使用主机名作为IP地址。
此外，我建议从

NED

文件中删除所有

@display（）

指令，因为它们使所有对象（该类型）位于同一位置。没有

@display（）

模拟环境将选择每个模块的正确位置

[Config basic_dcn]
network = Basic_dcn_tcp

**.tcpType = "TCP"
**.tcp.advertisedWindow = 65535
**.tcp.delayedAcksEnabled = false
**.tcp.increasedIWEnabled = false
**.tcp.limitedTransmitEnabled = false
**.tcp.mss = 1452
**.tcp.nagleEnabled =true 
**.tcp.receiveQueueClass = default
**.tcp.recordStats = true
**.tcp.sackSupport = false
**.tcp.sendQueueClass = default
**.tcp.tcpAlgorithmClass = default
**.tcp.timestampSupport = true
**.tcp.windowScalingSupport = false


**.numTcpApps = 1
**.tcpApp[*].typename="TCPBasicClientApp"
**.tcpApp[*].localAddress = ""
**.tcpApp[*].localPort = -1
**.tcpApp[*].connectPort = 80
**.tcpApp[*].startTime = 0s
**.tcpApp[*].requestLength = 350B
**.tcpApp[*].replyLength = 5MiB
**.tcpApp[*].numRequestsPerSession = 1
**.tcpApp[*].thinkTime = 3s
**.tcpApp[*].idleInterval = 10s
**.tcpApp[*].reconnectInterval = 50s


**.tcpApp[*].dataTransferMode = "object"

[Config basic_dcn]
network = Basic_dcn_tcp

**.tcpType = "TCP"
**.tcp.advertisedWindow = 65535
**.tcp.delayedAcksEnabled = false
**.tcp.increasedIWEnabled = false
**.tcp.limitedTransmitEnabled = false
**.tcp.mss = 1452
**.tcp.nagleEnabled =true 
**.tcp.receiveQueueClass = default
**.tcp.recordStats = true
**.tcp.sackSupport = false
**.tcp.sendQueueClass = default
**.tcp.tcpAlgorithmClass = default
**.tcp.timestampSupport = true
**.tcp.windowScalingSupport = false


**.numTcpApps = 1
**.tcpApp[*].startTime = 0s
**.tcpApp[*].requestLength = 350B
**.tcpApp[*].replyLength = 5MiB
**.tcpApp[*].numRequestsPerSession = 1
**.tcpApp[*].thinkTime = 3s
**.tcpApp[*].idleInterval = 10s
**.tcpApp[*].reconnectInterval = 50s

**.tcpApp[*].dataTransferMode = "object"

# Racks[0].ComputingServer[0] listens on port 80
*.Racks[0].ComputingServer[0].tcpApp[*].typename = "TCPGenericSrvApp"
*.Racks[0].ComputingServer[0].tcpApp[*].localPort = 80
*.Racks[0].ComputingServer[0].tcpApp[*].localAddress = "" 

# all other hosts connect to  Racks[0].ComputingServer[0]
*.Racks[*].ComputingServer[*].tcpApp[*].typename = "TCPBasicClientApp"
*.Racks[*].ComputingServer[*].tcpApp[*].localPort = -1
*.Racks[*].ComputingServer[*].tcpApp[*].connectAddress = "Basic_dcn_tcp.Racks[0].ComputingServer[0]"
*.Racks[*].ComputingServer[*].tcpApp[*].connectPort = 80