RESEARCH TRIANGLE PARK, N.C. – Cisco and Citrix are at it again.

According to a news release on Wednesday, Cisco Systems (Nasdaq: CSCO) and Citrix Systems (Nasdaq: CTXS) have struck a partnership involving their cloud computing offerings. This significant expansion focuses on three strategic areas: cloud networking, cloud orchestration, and mobile workstyles.

Cisco and Citrix believe the IT industry is on the verge of the next major architectural transition: the mobile-cloud era. To help enterprise and service provider customers capture the market transition and transform their business models, Cisco and Citrix will collaborate to unify solutions for the mobile-cloud era.

Both companies noted that this expanded partnership will include a “significant investment” in people and resources, although they did not provide any specifics or explanation of what that actually means.

Since announcing an initial partnership last year, Cisco and Citrix have more than doubled business together by deploying tens of thousands of new virtual desktops to small and large customers across the globe through the successful implementation of Cisco’s Virtualization Experience Infrastructure (VXI) smart solution with Citrix XenDesktop.

“As IT enters the mobile-cloud era, IT providers need to be more innovative about addressing customers’ fast-changing needs,” said Padmasree Warrior, Cisco’s Chief Technology and Strategy Officer. “Cisco Over the past two years, Cisco and Citrix have collaborated to deliver significant innovation into the market. Now, we are excited to accelerate our partnership into cloud, networking and mobility.”

Both companies are based in California but have a considerable presence in the Triangle.