Hewlett Packard has announced that all of its data centres will feature the company's own switches and routers.The firm said it has replaced products from Cisco Systems with those of its own brands 3Com and ProCurve.
HP said all of its six internal next-generation data centres are now "Cisco-free" as a result of the move.
The networking accessories in question connect the data centres to one anther and to the World Wide Web.
A dispute broke out between HP and Cisco last year as the two began to encroach on one another's product territory.
In April, Cisco removed HP from its partner programme, so this latest move is seen as a form of retaliation by HP.
Ken Gray, vice president of infrastructure at HP's global information technology division, said: "This past April we said we'd be Cisco-free for core WAN routing and switching in our data centres and we are.
"We did it ahead of schedule and are seeing performance even better than we expected."
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