In IP communications, the concept of sessions has become second nature. Modern PBXs and video conferencing systems are built around the Session Initiation Protocol (SIP). At the network edge, session ...
Routing is the process of determining where to send data packets that are destined for addresses outside the local network. Routers gather and maintain routing information to enable the transmission ...
Back in 1948, the journal Physical Review published a paper entitled “Space-Time Approach to Quantum Electrodynamics” by a young physicist named R.P. Feynman at Cornell University. The paper described ...
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