10GBASE -T Technology VS SFP+ Technology Options

Publié le par Menson

SFP+ transceiver
SFP+ transceiver

SFP+ module is a 10GbE optics module that uses the same physical form factor as a gigabit SFP. Most of the smaller SFP+ based 10GbE Switches make use of the 1G/10G port due to the added degree of flexibility.

When you decide to use the small form factor modules, you ought to have a prior knowledge or guidance on the many different type of the optical and electrical specifications to be considered. Makes sure that the optics type match. It is generally acceptable to make a connection of say X2 to an SFP or XENPAK to SFP+ or any other configurable combination.

The Ethernet industry newest module standard in the enhances small form-factor pluggable transceiver is the 10gb SFP+. The 10G SFP+ transceiver is a multi-purpose optical module for the transmission of the 10Gbit/s data applications at 850nm, 1310nm, and 1550nm. This transceiver is ideally suited and designed for the datacom and storage area networks (SAN/NAS) applications.

The various forms of the 10G SFP+ modules are

- SFP+ 10GBASE -SR 300M
- SFP+ 10GBASE - LRM MMF 22OM
- SFP+ 1OGBASE - LR SMF 10-20KM
- SFP+ 10GBASE - ER SMF 40KM
- SFP+ 10GBASE - ZR SMF 80KM

Features and Benefits of SFP+ Transceiver

In brief, the features and benefits of using the 10G SFP+ module include;

- The module is the industry's smallest 10G form factor for the greatest density per chassis

- It is a hot-swappable input/output device that plugs into an Ethernet SFP+ port of a switch. This eliminates the need to power down in case of installing or replacing.

- This 10G SFP+ module supports 'pay-as-you-populate' model for the protection of investment and the easing of the technology migration

- The module has strong diagnostic capabilities enhanced by the digital optical monitoring capability.

- There is the optical interoperability with the 10GBASE XENPAK, the 10GBASE X2 and 10GBASE XFP interface on the same link.

Performance of 10G SFP+ Transceivers

The 10G SFP+ module has a wide range of performance features that include.

- Compliance with the SFF -8431, SFF -8432 and IEE802.3ae

- Ability to diagnose the performance of the monitoring module temperature, the supply voltages, the laser bias current, the transmit optical power and the receive optical power

- RoHS compliant and free of lead

- Has a low consumption of power

- It is enclosed in an all-metal housing for enhanced EMI performance

- The advanced firmware allows customer system encryption information to be stored in the transceiver.

- Cost effective 10G SFP+ transceiver solution that enables higher port density with the support for greater bandwidth.

Cable Infrastructure Cconsiderations

When planning and designing for any new data center cable infrastructure, there are some vital factors that must be put into consideration. These include

- The Server, storage and the inter-connectivity virtualization

- The mobility of the application across server and storage data center

- The future-proofing cabling structure of the data center and the applications

10GBASE -T Technology VS SFP+ Technology Options

The 10GBASE technology has been in use, and therefore it is important we look at a brief distinction between these two types of technologies, in order to bring out the best application for the end user.

Most of the IT managers and the technical engineers are considering the newly introduced 10GBase-T technology due to the perception that it is cheaper with easier deployment in comparison to the SFP+ Technology

Application Latency Factor

When it comes to the application latency, the 10GBase -T uses the block encoding in the transmission of data across the cable. This form of technology has a similar order of magnitude to the Solid State Disk Latency and this means that this technology dramatically delays the data delivery by nearly 50 percent.

This would lead to a direct limitation on the data center efficiency leading to increased operational cost. This makes it advisable to go for the 10G SFP+ transceivers.

Power Consumption Factor

Components using the 1OGBase-T would require in the range of 2-5 watts per port as compared to components using the SFP+, which require 0.7 watts, regardless of the distance used. It is therefore advisable to work on the 10G SFP+ transceivers.

Optimal Performance and Latency

The use of the SFP+ technology ensures that there are optimal performance and lowest latency. The new dynamics that exist within the data centers permits the infrastructure of the cable to handle applications that are sensitive to latency.

When the SFP+ technology is compared to the 10GBASE -T technology, it is evident that the SFP+ technology has optimal performance with the lowest latency in the data center.

Lower Power Budget

The SFP+ technology facilitates the delivery of lower power usage as compared to the 10 GBASE technology.

The 10G SFP+ module is widely applied in 10G Ethernet, 10G Link Network, Fiber Channel, CPRI and OBSAI

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