Apache Pig is a platform that is used to analyze large data sets. It consists of a high-level language to express data analysis programs, along with the infrastructure to evaluate these programs. One of the most significant features of Pig is that its structure is responsive to significant parallelization. Pig operates on the Hadoop platform,...
A logical topology is a concept in networking that defines the architecture of the communication mechanism for all nodes in a network. Using network equipment such as routers and switches, the logical topology of a network can be dynamically maintained and reconfigured.
Logical topologies contrasts with physical topologies, which refer to the physical interconnections of all devices in the network.
The logical topology defines how the data should transfer. Contrast this to the physical topology, which consists of the layout of cables, network devices and wiring.
Two of the most common logical topologies are:
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