1, SFP + and XFP are 10G fiber modules and can communicate with other types of 10G modules.
2, SFP + smaller than the XFP appearance size;
3, SFP + moves from the module to the motherboard card with signal conditioning, serializer / deserializer, MAC, clock and data recovery (CDR), and electronic dispersion compensation (EDC) due to its small size;
4, XFP compliance agreement: XFP MSA agreement;
5, SFP + comply with the agreement: IEEE 802.3ae, SFF-8431, SFF-8432;
6, SFP + is more mainstream design.