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INET framework for the OMNeT++ discrete event simulator
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INET Framework for OMNEST/OMNeT++ 4.0 ===================================== The INET framework is an open-source communication networks simulation package, written for the OMNEST/OMNeT++ simulation system. The INET framework contains models for several Internet protocols: beyond TCP and IP there is UDP, Ethernet, PPP and MPLS with LDP and RSVP-TE signalling. See the CREDITS file for the names of people who have contributed to the INET Framework. IMPORTANT: The INET Framework is continuously being improved: new parts are added, bugs are corrected, and so on. We cannot assert that any protocol implemented here will work fully according to the specifications. YOU ARE RESPONSIBLE YOURSELF TO MAKE SURE THAT THE MODELS YOU USE IN YOUR SIMULATIONS WORK CORRECTLY, AND YOU'RE GETTING VALID RESULTS. Contributions are highly welcome. You can make a difference! See the WHATSNEW file for recent changes. GETTING STARTED --------------- You may start by downloading and installing the INET framework. Read the INSTALL file for further information. Then you can gather initial experience by following the INET tutorial. After that, you can learn the NED language from the OMNeT++ manual & sample simulations. After that, you may write your own topologies using the NED language. You may assign some of the submodule parameters in NED files. You may leave some of them unassigned. Then, you may assign unassigned module parameters in omnetpp.ini of your simulation. (You can refer to sample simulations & manual for the content of omnetpp.ini) Finally, you will be ready to run your simulation. As you see, you may use the INET framework without writing any C++ code, as long as you use the available modules. To implement new protocols or modify existing ones, you'll need to add your code somewhere under the src directory. If you add new files under the 'src' directory you will need to regenerate the makefiles (using the 'make makefiles' command). If you want to use external interfaces in INET, please install libpcap-dev (on linux) or winpcap (on windows from www.winpcap.org), then re-run the omnetpp configuration script (./configure). You should also enable the pcap support by editing the src/makefrag and then regenerating the INET makefiles (using the "make makefiles" command). Directory structure ------------------- Directories of INET framework source are arranged roughly along the OSI layers. Bottom-up: src/ networkinterfaces/ L2 (data link layer) protocols contract/ API to common L2 functionality ethernet/ Ethernet model (MAC, LLC, Encap) etherswitch/ Ethernet switch (relay unit) model ppp/ basic PPP model (framing only) mfcore/ Core modules from the Mobility Framework (modified) mf80211/ MF's 802.11b ad-hoc mode model (modified) ext/ External interface network/ L3 (network layer) protocols contract/ API to common L3 functionality autorouting/ autoconfiguration of static routes arp/ ARP protocol queue/ router queues (QoS, RED, etc) ipv4/ IPv4 and associated protocols ipv6/ IPv6 implementation (currently in work) icmpv6/ ICMPv6 implementation (currently in work) mpls/ MPLS implementation (will be replaced soon) ldp/ LDP signalling protocol for MPLS rsvp_te/ RSVP-TE signalling protocol for MPLS (will be replaced soon) scenario/ specific for RSVP-TE (will be replaced soon) transport/ transport layer protocols contract/ API to transport layer functionality tcp/ TCP protocol (supporting SACK) (default TCP implementation) tcp_nsc/ TCP protocol using Network Simulation Cradle tcp_old/ TCP old (obsolete) TCP implementation (without SACK) for reference only udp/ UDP protocol rtp/ Realtime Transport Protocol (not yet integrated) sctp/ Stream Control Transmission Protocol applications/ application layer tcpapp/ TCP application models udpapp/ UDP application models (VideoStream, etc.) generic/ traffic generators (directly for IP) ethernet/ traffic generators (directly for Ethernet) pingapp/ ping application world/ scenario manager, MF channel manager nodes/ protocol stacks, host and router models inet/ IP-based components ipv6/ IPv6-based components mpls/ router models with MPLS/LDP/RSVP-TE base/ common header files, base classes util/ utility classes examples/ example networks ethernet/ example Ethernet networks inet/ TCP/IP-based example networks ipv6/ IPv6-based example networks sctp/ SCTP examples rtp/ RTP examples (not yet integrated) emulation/ example networks using external interface to connect with real networks adhoc/ mobile and ad-hoc networks (incomplete) wireless/ IEEE 802.11 examples mpls/ example networks for MPLS/LDP/RSVP-TE ospfv2/ OSPF examples doc/ documentation tests/ some test ipv4/ for IPv4 components ipv6/ for IPv6 components mpls/ for the MPLS models newtcp/ for the TCP model 3rdparty/ optional 3rd party components like (Network Simulation Cradle etc.)