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 ...

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 ...

At trade shows, I occasionally walk into a booth and discover a product I really want to understand and appreciate. I am especially interested in how the traffic it sends or receives affects the ...

Not the end of the world, but I'd sooner Joe Bloggs now know the private IP range we use internally. Looking at your setup I think you'd have do your NAT translation before it gets to the mailserver, ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work together, though, they ...