How is 10GBASE-T Being Adopted and Deployed?
January 8th, 2013For nearly a decade, the primary deployment of 10 Gigabit Ethernet (10GbE) has been using network interface cards (NICs) supporting enhanced Small Form-Factor Pluggable (SFP+) transceivers. The predominant transceivers for 10GbE are Direct Attach (DA) copper, short range optical (10GBASE-SR), and long-range optical (10GBASE-LR). The Direct Attach copper option is the least expensive of the three. However, its adoption has been hampered by two key limitations:
- DA’s range is limited to 7m, and
- because of the SFP+ connector, it is not backward-compatible with existing 1GbE infrastructure using RJ-45 connectors and twisted-pair cabling.
10GBASE-T addresses both of these limitations.… Read the rest
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Posted by David Fair
