Cisco offers a comprehensive range of pluggable optical modules for the Cisco ONS family of multiservice platforms. The wide variety of modules provides flexible and cost-effective options for all types of client interfaces. Cisco offers a range of GBICs for Gigabit Ethernet use, a wide variety of SFP modules, XFP modules, and has recently introduced SFP+, CXP, and CFP pluggable modules. These small, modular optical interface transceivers offer a convenient and cost-effective solution for an array of applications in the data centre, campus, metropolitan-area access and ring network, storage area network, and long-haul network.