Carrier Grade Ethernet- Since Ethernet
is extremely simple to operate and is inexpensive, it has highly gained
popularity in transport network operator. Since transport network have huge
number of attached devices, scalability is very important. For corporate
customers, to meet the requirements of QoS, SLAs are defined which includes
bandwidth, availability, delay and jitters.

Ethernet in the first Mile- uses existing
copper pairs to provide fixed connection speed, symmetric bandwidth up to 35 Mb/s
within an Ethernet enabled exchange. With this one can extend network reach by providing
cost-effective and flexible alternative to fiber. This helps small and
medium-sized enterprises (SMEs) to move to hosted cloud environment.

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Avionics Ethernet- ARINC 429 data bus has
been used by civil avionics applications, but the data bus has its limit of
100Kb/s which is not sufficient owing to the increased complexity of avionics
systems. In order to reduce the development costs, Avionics full duplex switched
Ethernet was introduced(AFDX). Its integration in Airbus 380 was great success
in civil avionics and because of this it has become attractive for adoption in
military avionics as well.

Audio and Video Bridging Ethernet- With rise
in home multimedia, customers are attracted towards the technology of accessing
content and resources from anywhere in the house using their own devices.
Ethernet finds its use in such applications as well. The changes of MAC and
802.1D bridges would enhance the old Ethernet technology allowing it to provide
low latency service for streaming applications.

Among many fields of application, Automotive
Ethernet interests me majorly. We did not see the Ethernet being used in
automobiles even though it existed way before, since it could not bring down
the latency levels to microsecond range, it could not control bandwidth and synchronize
time between devices. The demand for advanced infotainment features and better driver’s
assistance is on rise now, hence great demand in automotive Ethernet use. The
most used in-vehicle network technologies are LIN, CAN and MOST, all of which
are automotive specific, but they are reaching their capacity limits. Ethernet
is low cost network technology which also fulfills the in-vehicle network requirements.

When it comes to infotainment, we need interactive
and streaming applications. Ethernet has variable frame which means that it has
full control over the flow of the data, transmitting few bytes at high
frequency and transmits frames of large size. Also, customers have the tendency
to connect their personal devices to the in-vehicle network which creates
additional traffic. Because of this the critical domains need to be separated
from such traffics, for this VLANs are used which isolates the broadcast
domains thus not affecting any domains.

The number of smart cars have risen after BMW,
Volkswagen and Jaguar have launched their respective smart cars that are
equipped with WiFi hotspots, music docks, smartphone chargers etc. Apart from
this, the Automotive Ethernet cables also reduces the labor cost by nearly 50%.
Because of all these features Ethernet is considered as potential backbone technology
which can also carry CAN and other bus system traffics. Ethernet has shown its
adaptability in picking up new technology towards wired and wireless
communication thus choosing to stay in automotive industry.

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