NL-LTS with LSIM: Local Area Network Trainer with Protocol Simulator And Analysis Software

Hardware Specifications

Topology                            
 i.       Star                                
ii.       Bus                               
iii.       Ring

Nodes : 4 Nodes

Data Rate : 10/100 Mbps

Interconnection : RJ45 connection cable to connect     hardware to computer LAN card

Software Specifications

Topology                            
 i.       Star                                
ii.       Bus                               
iii.       Ring

Protocols selection

i) Stop and Wait
ii) Go back to n    
iii) Selective repeat
iv) Sliding window
v) Token Ring    
vi) Token Bus      
vii) CSMA / CD        
viii) CSMA / CA

Packet Size : 128, 256, 512, 1024, 2048, 4096, 8192, 16384

Inter packet delay : 1000, 2000, 3000, 4000, 5000ms

Error generation : Bad packet, acknowledgment lost and auto error generation

Encryption and decryption of data

Network details:

Indication of computer name, IP address, Port number, status of network, MAC address andoperating system on computer.

Graphical representation

Graphic representation of data on a software screen with differentiation of packet to be transmitted, packet being transmitted, packet transmitted with acknowledgment, packet with acknowledgment lost error, packet with bad packet error, and packet that is discarded or resent.

Measurement and plotting

Error rate calculation, Throughput calculation

Protocol analysis

Indication of packet serial number, file name, file size, file number, receiver name, workgroup, receiver IP address, current packet, total packets, packet length, delay, protocol, topology, receiver MAC address, port number, packet send time, acknowledgment receive time, inter-packet delay, data rate (MBPS), number of resend packets, and acknowledgment value.

Network analysis

Indication of packet serial number, file name, file size, file number, receiver name, workgroup, receiver IP address, total packets, packet length, timeout, protocol, topology, receiver MAC address, port number, file send start time, file sent completion time, transmission time, data rate (MBPS), and error.

Study of network topologies

Study of Ethernet LAN and Wireless LAN

Study of data encryption and decryption

Implementation and study of stop and wait protocol

Implementation and study of the go-back-to-n protocol

Implementation and study of selective repeat protocol

Study of token ring and token bus protocol

Study of sliding window protocol

Study of CSMA/CA protocol

Study of CSMA/CD protocol

Measure of throughput and the effect of bit errors on various  protocols

Socket programming.