NetSim
TM
Simulation Platform For Network R & D
**Actual screen shot from NetSim
Aloha - Pure / Slotted, ARP, ATM, BGP, CDMA, Cognitive Radio, CSMA / CD, Ethernet - Fast /
Gigabit, Frame Relay, GSM, IP, LTE, MANET, MPLS, OSPF, RIP, TCP, Token Bus, Token Ring,
UDP, VPN, Wi-Max, WLAN - a / b / g / e / n / ac, WSN, X.25, ZigBee
All protocol libraries available as C source code
NetSim
TM
NetSim is a leading network simulation software for protocol modeling and simulation, allowing you to analyze computer
networks with unmatched depth, power and flexibility. NetSim is being used by the world’s most prestigious institutions
for network lab experimentation and research.
NetSim is available as Standard or Academic version and is built on a common design framework of high level
architecture and code.
NetSim Standard Version
Provides a platform for project work and research and is available as components shown in the matrix below;
for you to choose and assemble what you need.
Component No
Component 1
(Base. Required for all
components)
Networks / Protocols
International Standards
Internetworks: Ethernet - Fast & Gigabit, ARP, Routing - RIP, OSPF,
WLAN - 802.11 a / b / g / n / ac & e, Propagation models - Free space,
Log-normal Shadowing, Rayleigh Fading, IPv4 with VPN, Firewalls,
Queuing - Round Robin, FIFO, Priority, TCP, UDP.
Common Modules:
IEEE 802.3, RFC 826, RFC 2453, 2328
802.11 a, b, g, n, ac & e
RFC’s 793, 2001 and 768
Traffic Generator: Voice, Video, FTP, Database, HTTP, Email,
Peer-to-peer and Custom,
Virtual Network Stack, Simulation Kernel, Command Line Interface,
Metrics Engine with packet and event trace, Packet Animator
Component 2
Legacy Networks: Aloha (Pure & Slotted), CSMA/CD, Token Ring,
Token Bus, ATM, X.25, Frame Relay, Real Time
IEEE 802.3, 802.4, 802.5, ATM Forum, ITU
Forum
Component 3
BGP and MPLS Networks
RFC 1771, IETF RFC’s 3031 and 3212
Component 4
Advanced Wireless Networks: MANET and Wi-Max
MANET - DSR, AODV, IETF RFC 4728, 3561
IEEE 802.16D
Component 5
Cellular Networks: GSM and CDMA
3GPP, ETSI, IMT-MC, IS-95 A/B, 1xRTT,
1x-EV-Do, 3xRTT
Component 6
(Comp 4 required)
Wireless Sensor Networks & Personal Area Networks:
WSN and ZigBee
IEEE 802.15.4 MAC, IETF RFC 4728
Component 7
Cognitive Radio Networks: WRAN
IEEE 802.22
Component 8
Long-Term Evolution (LTE) Networks
3GPP TS 36.***
NetSim Academic Version
Designed as a virtual networks lab infrastructure on a desktop PC, useful for lab experimentation and teaching at UG
and PG level. Available as a single product and includes all the technologies given above.
Features
Technology Coverage
Internetworks, Legacy Networks, BGP and MPLS Networks, Advanced Wireless
Networks, Cellular Networks, Sensor Networks, Cognitive Radio Networks, LTE Networks
Performance Reporting
Performance metrics available for Network and Sub-network
Packet Animator
Used to animate the packet flow in network
Academic Version
Standard Version
a
a
a
a
a
a
a
a
a
a
Packet Trace and Event Trace
Available in tab ordered .txt format for easy post processing
r
Protocol Library Source Codes with Documentation
Protocol C source codes and appropriate protocol header files with extensive
documentation.
r
Development Environment
Users can write their own code, link their code to NetSim and debug using Visual Studio
r
Dynamic Metrics
Allows users to plot the value of a parameter over simulation time
r
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NetSim
TM
1. Latest Protocols and Functionalities in NetSim v8
1.1 MANET (As per IETF RFC 4728, 3561)
hh Common to Standard and Academic versions
hh DSR - Dynamic Source Routing
hh AODV - Adhoc On demand Distance Vector Routing
hh Mobility is via Random waypoint and Random walk models
hh Additional codes for sink-hole attack, node failures etc
1.2 WSN (As per IEEE 802.15.4 MAC and PHY, IETF RFC 4728, 3561 L3)
hh Common to Standard and Academic versions
hh MAC layer is modeled per IEEE 802.15.4 covering GTS, CCA,
slotted CSMA / CA, unslotted CSMA / CA, super frame transmission
and beacon transmission
hh LEACH add-on with inter and intra cluster routing based on sensor
power
hh PHY layer models cover fading, shadowing with SINR and BER
calculation
hh Output metrics include routing overhead, power consumption, lifetime
of motes, packet delivery ratio etc
1.3 Cognitive Radio (As per IEEE 802.22 MAC and PHY)
hh Common to Standard and Academic versions
hh MAC layer model covers Super frame, DS-MAP, US-MAP, BW request,
Quiet period, Normal mode operation and PHY operates in OFDMA
hh Connection establishment - CID, SID, FID and support for UGS, nrtPS,
rtPS and BE QoS class
hh Incumbent detection and channel switching and the cognitive plane
contains Spectrum Manager, Spectrum Sensing Function, Spectrum
Sensing Automaton and Channel model
1.4 Long - Term Evolution (As per 3GPP TS 36.***)
hh Available in Standard and Academic versions
hh Network layer model cover NAS and works with IP
hh MAC layer model covers PDCP, RRC, RLC, MAC scheduling
hh PHY layer model covers OFDMA in downlink and SC-FDMA in uplink
hh MIMO model - Transmit diversity and spatial multiplexing
hh HARQ model - Ack/Nack
1.5 Packet Animator
hh Common to Standard and Academic versions
hh Available for all stack based protocols featuring:
hh Animate packet flow over wired and wireless links
hh Color variation for control packets, data packets and error packets
hh Node movement
hh Animation speed controls with play, pause and simulation timeline
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NetSim
TM
2. Design and Architecture
hh NetSim has an open, modular and flexible architecture
hh Protocol libraries: C source code is open and presented as APIs
hh Utility functions: C source code and API’s for simulation and performance measurement
hh NetSim is engineered to separate the network stack from the protocol engine, thereby providing closer to
real world modeling and analysis capability
hh Protocols are modeled as Finite State Machine (FSM), while the Simulation Kernel is a Discrete Event
Engine accelerated by a heuristic algorithm
hh The Virtual Network Stack features in-built config file parser, error handler, config error logger, memory
manager and metrics module
3. Programming Exercises
hh Common to Standard and Academic versions
hh C / C ++ / Java lab exercises with algorithm, flow chart, pseudo code and source code. Users can write their
own code and link to NetSim for verification of output
hh Designed for a three hour lab with 20 - 50 lines of code to be written by the user
»» Address Resolution Protocol
»» Assignment of Sites to Concentrator
»» Cryptography - DES,RSA,Transposition,Substitution,
XOR,WEP
»» Distance Vector Routing
»» Dynamic Host Configuration Protocol
»» Error Correcting Code - Hamming Code
»» Error Detection Code - CRC 12, CRC 16, CRC 32,
CCITT, LRC
»» Framing Sequence - Bit Stuffing, Character Stuffing
»» Generic Cell Rate Algorithm - Virtual Scheduling
Algorithm
»» IPv4 Addressing - Address Mask, Binary Conversion,
CIDR, Network Address, Special Address,
Subnetting
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»» IPv6 Addressing - EUI-64 Interface Identifier, Host
Addresses, Subnetting
»» Leaky Bucket Algorithm
»» Multi-Level Multi-Access collision free protocol
»» Multiple Access Technology - CDMA, TDMA, OFDMA
»» PC to PC Communication - Socket Programming,
Chat Application
»» Scheduling - MMF, FIFO
»» Shortest Path - Link state routing, Floyd’s algorithm
»» Sliding Window Protocol - Go Back N, Selective
Repeat
»» Sorting Techniques - Bubble, Insert, Quick, Select
»» Spanning Tree - Kruskal, Prims, Boruska
»» Transmission Flow Control - Stop and Wait,
Selective Repeat, Go Back N
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NetSim
TM
4. Development Environment
Protocol Libraries provided in source C code form with necessary
API’s and documentation
User Generated Libraries can be created by modifying protocol
source C code
Development Environment in NetSim enables you to call into
NetSim user generated libraries to run network scenarios
Detailed Simulation Report of user generated libraries covering
millions of packets and events are available for detailed analysis
5. Research Topics
Popular areas of research where NetSim is being used are
Cognitive Radio Networks (WRAN)
»» Spectrum sensing and incumbent detection
»» Spectrum allocation
»» Geolocation and location based services
»» Interference analysis, measurement and
modeling of spectrum usage
»» Protocol architecture
Wireless Sensor Networks (WSN)
»» Energy efficiency and power management
»» Efficient protocol design and operation
»» Self configuration and fault tolerance
»» Routing
»» Localization
»» LEACH
Mobile Ad-hoc Networks (MANET)
»» Routing protocols - Location
based, Power aware etc
»» QoS in adhoc networks
»» Intrusion detection
»» Performance Analysis
»» Vehicular adhoc networks
6. NetSim vs other nework simulators
Features
NetSim (Standard version)
Others
Cognitive Radio
Available
Not available
Wireless LAN
802.11 a/b/g/n, 802.11 e for QoS and 802.11 ac (Gigabit Wi-fi)
802.11 a/b/g/n and e only
Wireless Sensor Network
802.15.4 PHYs sensor/power/agent model. In addition source
Basic 802.15.4 model
codes for LEACH, HEED etc are available
Packet Animation
Packet Animation with packet information
Packet Animation only
Trace files
Packet and Event traces
Event trace only
Configuration file
XML based with multiple views and in-built error handling
Flat Text format
Network Stack
Instantiated per device similar to the real world
No explicit stack available
De-bugging custom code
During simulation, capability to inspect and control simulation
Offline
Protocol source code
C Language
C++ with Python/Tcl etc for Scripting
Application Models
Voice, Video, FTP, HTTP, Email, Peer-to-Peer and Custom
Voice, FTP and Custom
Dynamic Metrics
Available. Shows metrics over simulation time
Not available. Shows only final metrics
Map Background
Available. Map and grid background
Not available. Only grid based view
Programming Exercises
Available. Students can complete lab programs per syllabus
Not available
Experiment Manual
Per your university syllabus
Not available per university syllabus
User Management
Hierarchical User management through Admin and Student
Not available
Support
On site, E-mail and Telephone
Internet Forum only
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NetSim
TM
Customer Spotlight: Sastra University Leverages NetSim for Research on Securing Femtocells
Identify and mitigate a possible attack in femtocells where locational information about a femtocell user is disclosed. (Research paper available in www.tetcos.com)
Challenge
Result
The algorithm trade off was increased delay. The study found this to be
1. Developing the Multihop Algorithm for privacy
approx 50 ms, which could be afforded by the network architecture.
2. Simulating and Analyzing the algorithm
Use Case
Developing custom code: Source C files, Cellular.c, GSM.c, Handover.c and
GSM_Channel.c of NetSim’s GSM library were modified. These codes were
linked and debugged using NetSim’s project work environment.
3. Modeling network configurations
4. Generating performance metrics
“We chose NetSim given its extensive R & D capabilities in WSN, MANET
and CR Networks. NetSim has an easy to use UI for creating scenarios,
modeling protocol and device parameters. The protocol library source codes
are written in C and easily understandable. NetSim’s product features and
quick support from their technical team is playing an important role in our
research publications”
Dr.V.S. Shankar Sriram
Select Customer List
Over 300 customers actively use NetSim
Education - India
AC College of Technology, Karaikudi
Agra Engg College, Agra
Aligarh Muslim University, Aligarh
Anna University College of Engg, Chennai
Assam University, Silchar
Basaveshvar College of Engg, Karnataka
B.C.Roy Engg College, West Bengal
B.G.S Inst of Technology, Mandya
Bhilai Institute of Technology, Chattisgarh
BITS, Pilani, Pilani Campus
BITS, Pilani, Hyderabad Campus
BITS, Pilani, Goa Campus
College of Engg and Tech, Bhubaneswar
College of Engg, Pune
Delhi Technical University (Formerly, DCE)
Directorate of Tech Education, Sikkim
Directorate of Tech Education, Mizoram
Dr.D.Y Patil Inst of Engg and Tech, Pune
Ghousia College of Engg, Ramanagaram
GNDEC, Ludhiana
Gokaraju Rangaraju Inst of Engg,Hyderabad
Govt College of Engg & Ceramic Tech,Kolkata
Govt College of Technology, Coimbatore
Govt Engineering College, Farmagudi, Goa
Govt Engineering College, Kannur, Kerala
Govt Engineering College, Idukki, Kerala
Guru Nanak Dev University, Amritsar
Gwalior Engg College, Gwalior
Haldia Institute of Technology, Kolkata
IFTM University, Moradabad
IGIT, Dhenkanal, Orissa
IIT, Kharagpur
IIT, Roorkee
Institute of Tech & Management, Gwalior
Integral University, Lucknow
Jabalpur Engineering College, Jabalpur
JNTU College of Engg, Ananthapur
JNTU College of Engg, Hyderabad
Kakatiya Institute of Technology, Warrangal
Kalyani Govt Engg College, West Bengal
K.K Wagh College of Engineering, Nashik
Kumaon Engineering College, Uttarakhand
M.M.M College of Engineering, Gorakhpur
Malnad College of Engg, Hassan
MEPCO Engg College, Sivakasi
MIT, Pune
Mizoram University, Aizawl
Mukesh Patel College of Engg, Mumbai
MS University, Tirunelveli
NIT, Agartala
NIT, Bhopal
NIT, Durgapur
NIT, Jamshedpur
NIT, Kurukshetra
NIT, Rourkela
NIT, Surat
NIT, Suratkal
Pondicherry Engg College, Puducherry
Punjab College of Engineering, Chandigarh
PSG College of Technology, Coimbatore
R.V. College of Engg, Bangalore
Sastra University, Thanjavur, TN
Sant Longowal Inst of Technology, Punjab
Shivaji University, Kolhapur
SPIT, Mumbai
SSIT, Tumkur
State Project Implementation Unit, Mizoram
Sinhgad College of Engineering, Pune
Tech Teacher Training Institute, Chennai
Thanthai Periyar Govt Inst of Tech, TN
Thapar University, Patiala
VES Institute of Technology Mumbai
VNR VJIET, Hyderabad
VJTI, Mumbai
Walchand College of Engineering, Sangli
Al Nahrain University, Iraq
Allepo University, Syria
Barry University, Florida, USA
Core Intl Inst.Higher Edu, UAE
Dar Al Hekma College, Saudi Arabia
De Lorenzo Srl, Milan, Italy
Florida Gulf Coast University, FL, USA
GIST, Republic of Korea
Ingolstadt University, Germany
INTI, Malaysia
Klaipeda University, Lithuania
Ontarget Enterprises, Colorado, USA
Pearson Education, New Jersey, USA
Sonoma State University, California,USA
Stone Hill College, MA, USA
Szczezin University of Technology, Poland
Transport & Telecom. Inst, Latvia
University of Vigo, Spain
Enterprise
Government and Defence
Education - International
Bharat Sanchar Nigam Ltd (BSNL)
“NetSim is truly a fantastic product that is not only
versatile, it is also robust and those features are
hard to come by in any simulator. I hope other
educational institutions begin incorporating this
product into their curriculum.”
Nikki Warren,
Project Director, Technical Education College,
Ontarget Enterprises, Colorado, USA
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ISSA, DRDO
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Bangalore - 560 041, India.
Tele-fax : +91 80 2663 0624
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