“Napatech has identified a need for network adapters focused on Traffic Generation and Capture & Replay applications. While many of the features provided by our existing In-line family can be used in these markets, the needs are slightly different demanding different feature focus and performance” said Erik Norup, President of Napatech Inc. “For example, in in-line applications, latency is extremely important, but not an issue in traffic generation. Similarly, in In-line there is a need to receive and transmit at the same time, while in capture & replay, it is typical that capturing data and replaying data are two separate activities that need not coincide.”
The Traffic Generation and Capture & Replay feature sets are supported by the current 4-port 1G and 2-port 10G Napatech products as well as the new NT20E2 2x10Gbps PCI-Express Gen 2 network adapters.
Key features for Traffic Generation are:
* Full line-rate 20 Gbps Ethernet traffic generation
* 10ns precision time-stamping of transmitted packets
* Transmit of packets according to individual packet time stamps
* Ethernet, TCP and UDP checksum generation
* Configurable Inter-Frame Gap (IFG)
Generated traffic can be application-generated traffic or traffic from a file.
Key features for Capture & Replay are:
* Full throughput 10 Gbps capture and analysis per port (max 20 Gbps)
* Full line-rate 10 Gbps replay per port (max 20 Gbps)
* Full capture feature set (similar to Napatech Capture adapters)
* 10ns precision time-stamping on received and transmitted packets
* Replay of packets according to individual packet time stamps
* Hardware time synchronization based on GPS, IEEE1588v2 or CDMA
* Ethernet, TCP and UDP checksum verification and generation
* Configurable Inter-Frame Gap (IFG)
The Napatech adapter acceleration features enable on the fly intelligent indexing of received frames for fast data retrieval from storage.
