XFP (10-Gigabit Small Form Factor Pluggable) is a protocol—independent hot-swappable optical transceiver, usually operating at 850nm, 1310nm or 1550nm wavelengths or wavelengths from the CWDM band at a speed of 10 gigabits per second in SONET/SDH, Fiber Channel, Gigabit Ethernet, 10 Gigabit Ethernet and other applications, including WDM channels.