Fog computing is a term for an alternative to cloud computing that puts some kinds of transactions and resources at the edge of a network, rather than establishing channels for cloud storage and utilization. Proponents of fog computing argue that it can reduce the need for bandwidth by not sending every bit of information over cloud channels, and...
The advantages of Internet exchange points include:
The physical infrastructure includes one or more high-speed network Ethernet switches. The traffic exchange in an IXP is enabled by the Border Gateway Protocol (BGP). The traffic exchange is managed through a mutual peering agreement conformed to by all ISPs. The ISPs normally specify the routes through the peering relationship. They may choose to route the traffic through their own addresses or addresses of other providers in the network. In some scenarios, the IXP serves as a backup link to allow traffic to pass through in case of a direct link failure.
The operational costs of an IXP are often shared among all the participating ISPs. For sophisticated exchange points, ISPs are charged a monthly or annual fee based on the port type and traffic volume.
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