IT World Canada

Network Architectures, OSI, and the TCP/IP Legacy

When I was involved with IBM’s SNA it was the simple teletypecircuit that was legacy; then TCP/IPV4 came along and eventually madeOSI, SNA and DECnet all legacy. Now its perhaps IPv6 that is trying ...

The internet as we know it emerged out of the Protocol Wars, which is as nerdy as it sounds but also somehow involved the Pentagon

During the same rough period of time, the European International Organization for Standardization (ISO)—you might know it as ...
Electronic Design

What’s The Difference Between The OSI Seven-Layer Network Model And TCP/IP? (.PDF Download)

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 ...
Network World

A dozen extensions to TCP/IP that optimize internet connections

Do you remember when we used multi-protocol routing for IPX, AppleTalk, and TCP/IP running on the same network? In the 1980s and early 1990s many enterprises had multiple protocols running on the ...