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Welcome to the official documentation for jNetPcap SDK and jNetWorks SDK by Sly Technologies, Inc.
This site covers:
jNetPcap SDK – High-performance Java packet capture and protocol dissection library built on libpcap/winpcap, with zero-allocation header access and advanced protocol processing.
jNetWorks SDK – Next-generation, ultra-high-performance network capture and analysis SDK supporting DPDK, Napatech SmartNICs, and libpcap, targeting 800 Gbps+ line-rate processing.
Common Protocols SDK – Shared protocol dissection, reassembly, decryption, and token infrastructure used by both products.
Both SDKs share the same powerful protocol processing core, enabling seamless scaling from desktop analysis to exabyte-scale capture systems.
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Products Overview
jNetPcap
Desktop, server, offline analysis
libpcap / winpcap
Up to 10–40 Gbps
Zero-allocation dissection, reassembly
jNetWorks
High-speed capture, real-time analysis
DPDK, Napatech, libpcap
100–800+ Gbps
Hardware offload, multi-stream, tokens
Licensing
All protocol dissection, core APIs, and open-source backends (including libpcap/WinPcap integration) are licensed under the Apache License 2.0.
Commercial features requiring a paid license:
DPDK Backend – High-performance driverless capture
Napatech (NTAPI) Backend – SmartNIC hardware acceleration and offload
Advanced decryption modules (TLS/IPsec full support)
Premium support and updates
Community users get full access to powerful packet processing with the Apache v2 license. Commercial backends unlock line-rate performance on modern hardware.
See LICENSE for Apache v2 details. Contact [email protected] for commercial licensing.
© 2025 Sly Technologies, Inc. All rights reserved.
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