In my experience packet or flow capture is the next logical upgrade to SNMP. Packet capture allows you to take a mirror image of network packets as they move through a network. Flow data usually ...

This is the third of a series of four newsletters where we’re sharing excerpts from the Webtorials Thought Leadership Discussion on WAN Virtualization. This series features a “virtual discussion” with ...

Packet queues are a core component of any network stack or device. They allow for asynchronous modules to communicate, increase performance and have the side effect of impacting latency. This article ...

Scott Reeves demonstrates the flow graph feature of the Wireshark tool, which can help you check connections between client server, finding timeouts, re-transmitted frames, or dropped connections. I ...

Network flow watermarking is an advanced technique that embeds covert information into the characterising features of network traffic flows. By subtly modifying timing characteristics such as ...

Because of the limitations of SPAN/monitor ports on switches, organizations have turned to using taps and packet monitoring switches. These solutions can be expensive which has lead companies to look ...