You may refuse it now, but you can't ignore it forever. While many seem to
be saying, “I'll never need 10 Gbits/sec to the desktop,” it's wiser to
beware of the future and learn from the past. 10 Gigabit Ethernet or 10GE is
reckoned as the sole answer to the call for greater bandwidth network capacity.
10GE technology transmits at data rates of 10 Gb per second, which effectively
is 10 times faster than the current Gigabit Ethernet standard-on traditional
twisted pair copper wiring.
The recent ratification of the next-generation of Ethernet technology - IEEE
802.3an-2006 standard, otherwise known as 10GBase-T, is likely to
accelerate the implementation of 10GE.
So far users get only around 180 feet (55 meters) of reach using Cat6
cabling, and only around 150 feet (or 45 meters) of reach over Cat5e, which is
one of the more widely installed network cabling types in corporate nets. On the
other hand, 10GBase-T will reach the maximum distance easily over Category 7
(Cat7) and Category 6-Augmented (Cat6A) UTP cabling.
In India, the industry has come alive especially in the past one year with
several launches of 10GE over copper solutions. A handful of cabling companies
are already offering end-to-end 10GE cabling solution (CAT6A UTP, and CAT 7
solutions) while others are gearing up to launch their respective solutions by
end of the year.
| At
a Glance: 10GE in India |
-
End-to-end 10GE
cabling solutions available for Cat6a and Cat7
-
Favorite among
large data centers of ITeS, BFSI verticals, and enterprise campuses
-
Issues like high
cost, high power dissipation, and user manageability make it difficult
for IT managers to roll out 10 GE connections using existing
technologies.
-
Cost of
installation of Cat6A or Cat7 is 50-70% more than Cat5e and Cat6
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Technology issue
like Alien Crosstalk in unshielded pair, is a major concern
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10Gbase-T standard
determines stringent specifications for proper deployments that maybe
difficult or time consuming to implement
|
Cat6A Shifts Gear
Cat6a has emerged as the new flavor in the structured cabling market that is
capable of supporting huge data centers hungry for bandwidth. “Cat6a UTP
cabling systems supporting 10Gigabit Ethernet will be the major focus area for
the cabling industry players. The structured cabling market has already accepted
this technology with quite a few 10G Base-T installations as the customers want
to future-proof their networks,” says Dileep Kumar, enterprise product
manager, ADC Krone, echoing the voice of several other vendors. The company was
the first cabling company to launch CopperTen in India, the world's first 10GE
cabling on UTP.
Cat7 on the other hand is still waiting in the wings and a handful of
deployments have also taken place. Not to miss, the growing popularity of
wireless technology has also served to boost the demand for a wired
infrastructure to underpin it.
Building Long-life Networks
In the past, 10GbE was neither necessary nor affordable. However, high
demand of bandwidth has led to an increased demand for higher speed switches and
routers. This has a multiplier effect on the wired LAN market, and, in turn, on
the structured cabling segment.
Today many companies are seeking to “future proof” their network to
ensure they can support emerging technologies and preserve their initial
investments. In this regard, argument to deploy 10GE cabling systems is strong
keeping in mind cost associated in re-cabling a network.
| FAQs |
|
Why opt for 10
Gigabit Ethernet?
10GE is an ideal solution for organizations with growing bandwidth
needs. It provides organizations with a cost effective solution to
increase productivity and to deliver new services.
What are the key
application environments that 10GE would help support?
The primary applications environments that 10 GE would help support
would be the data center environments and environments containing
structured copper cabling. 10 GbE is being deployed at desktops, server
farms, data centers, in video streaming to the desktop, aggregations
between server farm and service provider data centers, data center
communication, from LAN switches to storage networks, and grid computing.
What challenges does
the technology face?
Alien Crosstalk is the main electrical parameter limiting 10 GE
performance over an unshielded twisted pair copper structured cabling
system. Alien Crosstalk is a coupled signal in a disturbed pair arising
from a signal in a neighboring cable. Today's digital signal processing
(DSP) electronics are not as effective in canceling Alien Crosstalk as
they are for internal channel noise. |
Peter Karlsson, senior VP, enterprise solutions, CommScope Systimax Solutions
asserts this forward planning: “Choosing a cabling solution is a very
strategically important decision for
any company as it is a one-time investment. For enterprise customers, we suggest
it is better to go for a 10GE solution now even though they are using 1GB
presently, as in a few years time 10GB will be the mainstay.”
Rajesh Kumar, country manager, Siemon also endorses this view, “The best
practice is to install a future-proof cabling plant capable of supporting the
next generation of application speeds. The total cost of ownership on 10Gb/s
capable cabling is far better than lower performing options.”
There is no denying the fact that data centers will need 10GE. The bandwidth
it provides in conjunction with server consolidation is highly advantageous for
Web caching, real-time application response, parallel processing and storage.
10GE also finds favor with organizations that wish to have campus backbone
linking. Establishing a 10GbE campus backbone is a one-time expense that can
provide significant cost savings when compared to monthly communications link
bills.
Standard Ratification: A Blessing
Running 10GE over twisted-pair copper wiring was once thought to be
impossible, so the standards makers relied on four technical building blocks to
make 10GBase-T a reality: cancellation, analog-to-digital conversion, cabling
enhancements and coding improvements. As a result, over 90% of the IEEE 802.3an
task force members voted to approve the standard, certifying that the technology
is stable and marketable.
This standard enables a low-cost, easy-to-use, copper cabling solution for
the transmission of 10GbE. 802.3an specifies the industry standard for running
10Gbps of Ethernet data over unshielded twisted pair (UTP) cabling, running a
maximum length of around 330 feet, or 100 meters.
The ratification is well timed with the ripple of new product releases across
the networking equipment industry. This is being read as an encouraging sign for
the 10GE momentum. Rajesh Shenoy, key account manager, India, Belden CDT informs
of such driving factors, “The active vendors including Cisco, Foundry and
Force 10 are at the verge of launching fully functional 10Gbps (10G Base-T)
switches. This will drive the Cat 6a market.”
|
 |
| All the excitement around
10GE notwithstanding, the number of actual deployments remains modest |
In particular, Broadcom recently launched a 20-port 10GbE chip for stackable
switches. Start-up NetXen followed this release with dual-port 10Gb server
cards. IBM, on the other hand, launched its BladeCenter H-said to be the first
blade server system to utilize 10GbE backplane signaling.
Demand, Yet To Pick Up
Despite all the excitement around 10GE, the number of actual deployments
remains modest. The Telecommunications Industry Association (TIA) is yet to
ratify CAT6a standard, as a result many small cabling vendors are playing it
safe.
KK Shetty, director, Sales, India & SAARC, Tyco Electronics informs that
the market is still in the nascent stage, “Any new technology takes time to
take wings and we feel it will be 4-5 years before we can actually see the real
impact of 10GE. Even now, 1Gb to the desktop is not yet common so we have a long
time to go.”
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