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Difference Between XFP &SFP
What is XFP…?The XFP (10 Gigabit Small Form Factor Pluggable)is a standard for transceivers for high-speed computer network and telecommunicationlinks that use optical fiber. It was defined by an industry group in 2002, alongwith its interface to other electrical componentswhich is called XFI. A transceiver is a device comprising both a transmitter and a receiver which are combined and share common circuitry or a single housing.
XFP Detail1. XFP modules are hot-swappable and protocol- independent.2. They typically operate at optical wavelengths (colors) of 850 nm, 1310 nm or 1550 nm.3. Principal applications include 10 Gigabit Ethernet, 10 Gbit /s Fibre Channel, Synchronous optical networking (SONET) at OC-192 rates, Synchronous optical networking STM-64, 10 Gbit /s Optical Transport Network (OTN) OTU-2, and parallel optics links.4. They can operate over a single wavelength or use dense wavelength-division multiplexing techniques.5. They include digital diagnostics that provide management that were added to the SFF-8472 standard.6. XFP modules use an LC fiber connector type to achieve high density.
What is SFP…?The small form-factor pluggable (SFP) is acompact, hot-pluggable transceiver used for bothtelecommunication and data communicationsapplications.It interfaces a network device mother board (fora switch, router, media converter or similardevice) to a fiber optic or copper networkingcable. It is a popular industry format jointlydeveloped and supported by many networkcomponent vendors.
SFP Detail1. SFP transceivers are expected to perform at data speeds of up to five gigabits per second (5 Gbps), and possibly higher.2. Because SFP modules can be easily interchanged, electro-optical or fiber optic networks can be upgraded and maintained more conveniently than has been the case with traditional soldered-in modules.3. Rather than replacing an entire circuit board containing several soldered-in modules, a single module can be removed and replaced for repair or upgrading. This can result in a substantial cost savings, both in maintenance and in upgrading efforts.
Count… SFP transceivers are designed to supportSONET, Gigabit Ethernet, FibreChannel, and other communicationsstandards. Due to its smaller size, SFP obsoletes theformerly ubiquitous gigabit interfaceconverter (GBIC); the SFP is sometimesreferred to as a Mini-GBIC although no devicewith this name has ever been defined in theMSAs.