The enterprise WiFi market has been a story of consolidation and landgrab since Cisco acquired Airespace, the biggest of a high profile clutch of start-ups, in 2005. Another of the new companies which rode the corporate WLAN wave in the early years of the century was Aruba, which has remained proudly independent and evolved its offering from access points to a full network platform, which claims it can support a wireless-only workplace, and WLANs optimized in the same way as cellular networks. Now Aruba may be acquired at last, with reports that Hewlett-Packard is close to making a bid. Sources told Bloomberg that HP is in talks to acquire Aruba, which has a market value of about $2.4bn, and a…