The coreness measures the deepness of a node in the core of the network where a higher value indicates that the node is deeper in the core.
A study presented last year by Arbor Networks suggesting that traffic flows were moving away from the core of the network touched off a spirited controversy.
How much, if any, money was saved by Beeching's cuts was also never explored; but his programme was carried out almost in full, and still more cuts were proposed, in futile pursuit of the "profitable core" of the network.
"Once people start getting D.S.L. and broadband at home," he said, referring to a technology that provides high-speed Internet access, "it's going to make the core of the network start to get jammed.
Ken Silva, the security chief at VeriSign, which runs big chunks of the internet's domain-name system, advocates defences at the core of the network to tackle malicious data-packets before they reach their target.
Adding a new service amounts to little more than adding software to the core of the network and perhaps some new access technologies around the edges.The rise of the quadruple playBecause of the convergence on IP networks, companies that used to be in separate industries telephone operators, internet-service providers and cable-TV firms—suddenly find themselves in the same business.
The innermost nodes thus form the core of the network.
The logical networks described above are the core of the network slicing concept.
The current generation of Juniper routers, called M-40 devices, are used in the core of the network.
The shell with the highest index, the kmax-shell, is deemed to be the core of the network.
With the exception of Save the Children, all organizations in Table 2 are part of this core of the network.
