A java wrapper for popular "libpcap" and "WinPcap" libraries. Accurate full API translation. Packet buffers delivered with no copies. Send custom packets, gather statistics. Comprehensive and easily extensible DPI engine.
...Messages are displayed as ladder diagrams on SIPFlow's main screen, but their content may be inspected by double clicking an arrow in the ladder diagram. This allows network engineers to quickly identify the behavior of their IMS network without tracing through log files or raw captures.
Distributed SIPFlow captures and displays SIP and Diameter messages from remote hosts in an intuitive graphical interface. Each SIPFlow console interfaces with one or more SIPSniffers distributed across a SIP/IMS network and displays the SIP and Diameter call flows as reported by those sniffers. This is useful if your network of servers span multiple network segments or switches.
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Carbon is a java based SERVER implementation which caters to different server falvors eg: raw data,HTTP, FTP and so on.
Spawning off from Carbon are different server implementations for HTTP/SOCKS proxy, FTP, HTTP, J2EE which are available in a jar.
How Fast Is Your Network Today? Soap-Stone is the Java network benchmark which can answer this question for a range of protocols (raw, http, rmi, soap) and other dimensions.
JavaSock provides a combination Java API and native code library allowing Java programs to manipulate raw network packets through a consistent and secure interface. The API supports applications including packet filtering and packet sniffing.
Java Netflow Collect/Analyzer uses pure Java to collect netflow v1 v5 v7 v8 v9 UDP packets from cisco routers. It stores both raw data or analyzed contents to DB thru JDBC and can be used in large enterprises or ISPs. JNC beta is ready JNA is underway.