NetSim Changelog
What's new in NetSim 12.1 Beta
Jul 5, 2020- New Features:
- Introducing the new Satellite Communication Networks Library:
- Packet level communication between terrestrial nodes and Geostationary satellites
- The Satellite MAC layer protocol supported in NetSim is TDMA for forward link and MF-TDMA for return link (based on the DVB S2 standards)
- The forward link is in the Ku band (12 – 18 GHz) while the return link is in the Ka band (24 – 60 GHz)
- Channel model: Friis free space path loss with Loo Markov fading model
- Modulation: QPSK, 8PSK, 18APSK, 16QAM, 32APSK with appropriate coding rates
- 5G NR mmWave library additions:
- Carrier Aggregation
- Propagation Models:
- Added: Ricean Fading, Two ray pathloss model and pathloss matrix model
- Queuing and Scheduling now features the following algorithms:
- Scheduling - FIFO, Round Robin, Priority, EDF, Class Based
- Queuing - Drop Tail, RED, WRED
- WLAN Rate adaptation now features three algorithms:
- Packet error based, Consecutive success or failure and Minstrel
- Express installation of all third party tools
New in NetSim 11 Beta (Aug 27, 2018)
- New Features:
- Software Defined Networks:
- Openflow v1.3 Compatible
- SDN based IOTs
- SDN based WSN
- SDN based LTE
- SDN based VANETs
- OPSF Updation:
- OSPF Messages, Router LSAs, OPSF Logs file per RFC 2328
- Link failure:
- Links can be failed and recovered
- Switching 10G, 40G and 100G:
- Switch ports and links now support 10G, 40G and 100G
- Real-Time interaction with Simulation:
- NetSim Console with Window equivalent commands
- Addition of GMSK modulation scheme at PHY layer
- Battery models for MANET and VANET nodes
- Statistics Utility for automatic formatting of packet trace and generation of pivot tables
- GUI enhancements:
- Fast configuration option for simulating networks with a large number of devices:
- Uniform, Random and file based placements
- Display options in Simulation screen:
- Device IP, Link Speeds
- Radio signal coverage visualization heatmap (SNR based)
- Copy/paste option for devices & links in GUI
- Updated tool tip help and error messages
- Re-designed ribbon and device icons:
- Context sensitive ribbon with visibility only for relevant devices for the network
- Print option for reporting
New in NetSim 10.1 (Jan 11, 2018)
- New Technologies:
- Virtual LAN (VLAN) Protocol per IEEE 802.1Q:
- VLAN Tagging, VLAN ID and VLAN Name
- Access and Trunk Ports
- Inter VLAN routing
- VLAN Configuration through GUI or Text file
- Internet Group Management Protocol (IGMP) per RFC 2236:
- IGMP Message - Query, Report
- Host State Machine and Router State Machine
- IP Multicasting:
- Host extensions for IP multicasting per RFC 1112
- IP route tables based on multicast application in host
- IP route tables changed as per matched bit count
- Protocol Independent Multicast (PIM), Sparse mode per RFC 7761:
- Shortest Path Tree
- (*, G) State
- (S, G) State
- Designated Router Election
- Hello Timer, Join Expiry Timer
- Network Address Translation (NAT) and Public IP:
- Public IP of Host from WAN Router
- Detailed L3 Switch Model:
- Switching Techniques
- Spanning tree protocol and multiple spanning tree instances per switch
- Unicast, Broadcast and Multicast switching
- Promiscuous mode
- Network Emulator Enhancements:
- NetSim emulator can now interface with Raspberry PI devices
- Multicast Emulation Support
- Broadcast Emulation Support
- Product Improvements:
- Redesigned home screen and results screen
- Access Control Lists in Switches - Inbound, Outbound, Deny, Permit
- Updated Carrier Aggregation per Rel 14 in LTE-Advanced
- Multicast Application Modeling
- Configuration of static IP table through the GUI
- Packet trace additionally logs IP address of Source, Destination, Next Hope and Gateway
- Export of results to XL/.CSV
- Silent install capability
- Support for Visual Studio 2015 and 2017