Software-Defined Networks for Optical Networks Using Flexible Orchestration: Advances, Challenges, and Opportunities

Table 3

Technology standards [17].

Name	Standard	Data rates
		Upstream	Downstream
NG-PON2	“ITU-T G.989.x”	10 (Gb/s)	10/2.5
XGS-PON	“ITU-T G.9807.1”	10 (Gb/s)	10 (Gb/s)
NG-PON2 Amd 1	“ITU-T G.989.X”	10 (Gb/s)	10 (Gb/s)
NG -EPON	“IEEE.802.3ca”	25 (Gb/s)	25 (Gb/s)
“G.hsp.x”	“ITU-T SG15”	50 (Gb/s)	50 (Gb/s)