Guido Jouret led the company's efforts to link sensors, machines and other equipment

Cisco Systems' point man on the Internet of Things (IoT) has resigned just as industries start to explore how millions of sensors and devices can be connected over networks.

Cisco confirmed yesterday that Guido Jouret, who was vice president and general manager of the company's Internet of Things Group, has left to "pursue a new opportunity." Rob Soderbery, senior vice president of Cisco's Enterprise Networking Group, which oversees the IoT division, will now oversee it directly, Cisco said.

IoT could be a hugely important trend for Cisco in the coming years, as the networking juggernaut is well aware. It estimates that IoT and business intelligence related to it - what Cisco calls the Internet of Everything - will generate $19 trillion in value over the next 10 years. Cisco wants to be viewed as a leader in the category, and with good reason, as it already sells the most gear for existing networks.

Jouret has led Cisco's development of products specifically for IoT. Those efforts include tackling the challenges of connecting large numbers of new devices, such as cameras, environmental sensors, ventilation systems, cars and electric meters. Earlier this year, Cisco applied its router technology to the problem, introducing hardened outdoor routers with Linux built in to handle some processing at the remote edge of wireless networks.

Under Jouret's leadership, the company has also joined industry groups trying to standardize the technologies used in IoT for greater scale and interoperability, and later this year it will host its second annual IoT World Forum conference in Chicago.

Despite the broad potential for new types of connected devices and collected data, IoT suffers from an identity problem in some industries, where the value of IoT may be recognizable but its name is obscure.