Header compression is always mentioned in the same breath as QoS when we discuss supporting voice on an IP network. But it is not about QoS, it is about reducing bandwidth consumption. Header ...

I had an assignment at university that dealt with the size of a message after being sent through two different types of networks with different packet sizes and network headers. That's all we were ...

If you look at the many fields in a typical IP packet, you might hesitate when you see there are several error check fields. In the Ethernet part of the packet we ...

The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...

Voice over IP (VoIP) is the descriptor for the technology used to carry digitised voice over an IP data network. VoIP requires two classes of protocols: a signaling protocol such as SIP, H.323 or MGCP ...

This assumption breaks down because HTTP RFC flexibility allows different servers to interpret the same header field in fundamentally different ways, creating exploitable gaps that attackers are ...