The recently opened Visa University (2015) is a nice learning facility at the HQ. Subsidized cafeteria and onsite gym at HQ and Austin locations. Not sure if this is a pro, but there are a lot of inflated titles which is great for resume but leads to a lot of VP's reporting to VP's and a top heavy organization.
Mesh networking is a type of network topology in which a device (node) transmits its own data as well as serves as a relay for other nodes. Routers are used to provide the best and most efficient data path for effective communication.
Small-world network. A small-world network is a type of mathematical graph in which most nodes are not neighbors of one another, but the neighbors of any given node are likely to be neighbors of each other and most nodes can be reached from every other node by a small number of hops or steps.