Thursday, July 16, 2009

Next Gen Ethernet – 802.3ba

The current published IEEE standard that provides maximum bandwidth capacity is 10Gigabit Ethernet. High capacity Servers and Distribution layer switches are using this 10GE port as Server NIC card and Switch uplink ports. Advanced switching feature like Ether channel helps to bundle up to eight 10GE ports as one logical port resulting in 80Gbps bandwidth for switch uplink. But still servers are left with 10GE max NIC card.

Few 10GE Interface modules below,

Cisco WS-X6716-10G-3C


Increase in Enterprise Data communication and Competing Service provider market leads to the requirement of more bandwidth capacity. High density format Internet data and entertainment traffic data which requires significant bandwidth are also few areas that demand high rate bandwidth

In late 2006, IEEE study group agreed to target 100Gbps Ethernet as next version and started developing a new standard of 802.3 family named as 802.3ba (sometimes P802.3ba) which will support 40 Gbps and 100 Gbps transfer rates. Initially, developers were discussing multiple speeds to be standardized which includes 40, 80, 100, 120 Gbps. Eventually the discussion boils down to 40 Gbps for Server to switch applications and 100 Gbps for switch to switch uplink. This new standard will preserve the same Ethernet frame format (802.3 MAC) and preserve same minimum and maximum frame size of current 802.3 standard.

Juniper Networks has introduced the 100 Gigabit Ethernet module and is supported on T1600 Core router.

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