pFilter™
Select the Right Traffic. Organize It at the Source.
FPGA-based intelligent packet filtering and logical stream channelization, with optional packet slicing before storage.
Excluded (optional)
Mixed Ethernet traffic enters pFilter. Configured rules direct selected packets into logical streams for recording. In this example, optional packet exclusion removes other traffic before storage. Packets are gray before classification and colored by their assigned stream afterward. Four streams are illustrative, not a channel limit. Channelization can also operate without packet exclusion.
FPGA-Based Smart Capture
pFilter™ selects and shapes high-speed Ethernet traffic in the Smart Capture path.
Recording-Ready Data
By applying optional packet exclusion and organizing traffic into dedicated logical streams, it helps create focused, recording-ready data from the point of acquisition.
Protocol-Aware Packet Slicing
When full payloads are unnecessary, pFilter can reduce the bytes sent to recording. Fixed and protocol-aware slicing can retain relevant headers and selected data while discarding excess packet content.
Intelligent Packet Filtering & Channelization
From composite traffic to focused recording streams.
One physical Ethernet link can carry multiple sensor or application channels. pFilter evaluates incoming packets against configured rules and directs matching traffic to designated Stream IDs, allowing nRec™ to record dedicated channels without first storing a mixed composite stream. Channelization can organize retained traffic even when packet exclusion is not required.
This is for demonstration purposes only.
Flexible Packet Filtering
Select traffic with precision.
pFilter can match packets using physical and transport ports, IP addresses and subnets, Layer 2–4 protocols, supported tunnel/encapsulation fields, packet length, error conditions, and defined packet data. Multiple tests can be combined using AND / OR logic.
Advanced data matching supports fixed and protocol-relative offsets, values, masks, lists, and ranges, enabling selection beyond basic IP and port filters.
Protocol-Aware Packet Slicing
Preserve what matters. Remove what does not.
When full payloads are unnecessary, pFilter can reduce the bytes sent to recording. Fixed and protocol-aware slicing can retain relevant headers and selected data while discarding excess packet content.
FPGA-Based Smart Capture
Shape data before the host records it.
Packet selection and stream preparation occur within the FPGA Smart Capture path, ahead of nRec and disk storage. Supported functions include stream assignment, port merging, and traffic distribution alongside filtering and slicing.
This approach reduces unnecessary recording traffic and host-side post-capture filtering while giving the recorder organized streams at acquisition time.
Technical Highlights
| Capability | Description |
|---|---|
| Processing | FPGA-assisted inline packet processing |
| Packet selection | Physical/transport ports, IP, protocol, encapsulation, length, errors |
| Filter expressions | Supported tests combined with AND / OR |
| Packet inspection | Fixed and dynamic protocol-relative offsets |
| Packet slicing | Fixed and protocol-aware modes |
| Channelization | Selected traffic assigned to Stream IDs |
| Aggregation | Multiple physical ports merged into logical streams |
| Distribution | Traffic distributed across supported streams |
Technical note: Function availability depends on capture hardware, FPGA feature set, firmware, and system configuration.
Capture the Right Traffic. Preserve Organized Streams.
Capture. Preserve. Filter or organize high-speed traffic at its source; route selected packets into logical recording streams and use optional slicing when less payload is needed.
Integration with nStudio.
nStudio™ Software Ecosystem: Capture. Preserve. Analyze. Reuse.
- nRec™
- High-speed Layer 2 Ethernet capture and recording
- nPlay™
- Timing-preserving Ethernet replay with original or user-defined playback speed
- pFilter™
- Inline packet filtering, classification, channelization, and optional slicing
- nRemote™
- External command, status, and operational automation
- nXplorer™
- Developer-oriented monitoring, generation, capture, and replay utilities
- MDP™
- Packet metadata intelligence and indexing for large recorded datasets
- nDiscovery™
- Recording discovery, navigation, management, and analytics preparation
Ordering information.
- nStudio Software Suite
- Integrated software environment supporting recording, discovery, management, analysis, and replay workflows.
- Evaluation & integration
- Contact Daqscribe to confirm platform compatibility, licensing, and deployment requirements.
- Support & maintenance
- Software updates, technical support, and maintenance options are available by quotation.
Build the nStudio Environment That Fits Your Mission
Choose the capabilities your team needs today and extend the same Daqscribe ecosystem as your needs for replay, intelligent data discovery, remote automation, and AI-ready data preparation evolve.Capture. Preserve. Analyze. Reuse. Channelize traffic at the source, find the data that matters, and expand toward AI-assisted exploration.
Not a pricing question? Contact us for general inquiries, or reach the support portal if you already own the hardware.
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