Interop is an annual trade fair for information technology organised by UBM TechWeb. It takes place at four different locations at various times of the year: Mumbai (India), New York (NY, USA), Tokyo(Japan), and Las Vegas (NV, USA). 2011 is Interop's 25th anniversary and throughout that time, Interop has promoted interoperability and openness, beginning with IP networks and continuing in today's emerging cloud computing era. For every US event, Interop volunteers build a network using tools from various vendors to demonstrate the latest technologies and interoperability.
Interop Las Vegas was held in May 2011 at the Mandalay Bay Convention Center. Exhibitors included Avaya, Hewlett-Packard, Citrix Systems, D-Link, Exinda, Riverbed Technology and F5 Networks. Notable speakers include Vint Cerf and Mark B. Templeton.
The Tokyo Conference was held in June, 2011. The Mumbai conference was held in September, and the New York conference in October at the Jacob K. Javits Convention Center.