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TECHNICAL SEMINAR REPORT
Presented by
Ramotar Prasad Sahoo
Roll No:CS200118210
Under the Guidanceof
10 GIGABIT ETHERNET
TECHNOLOGY
Mr. Pradeep Kumar Jena.
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10 GIGABIT ETHERNET TECHNOLOGY
INTRODUCTION
Ethernet essential for internet.
10 Gigabit Ethernet is the latest.
It finds its applications in LAN, MAN, WAN and SAN.
Provides high speed and reliable network.
Provides low installation and maintenance cost.
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10 GIGABIT ETHERNET TECHNOLOGY
HISTORY
Developed by Robert Metcalfe and David Boggs in 1973
at Xerox PARC.
In June 2002 IEEE adopted 10 Gigabit Ethernet
Standard(802.3ae).
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10 GbE TECHNOLOGY OVERVIEW
Retention of 802.3 MAC and frame format
64 1518 Byte frames
Jumbo-frames not included in standard
No half duplex mode
different from other versions of Ethernet
No CSMA/CD on full duplex
Simultaneous sending and receiving at all times
Works with 802.1Q, 802.3ad, etc. Fiber interfaces only no copper versions
LAN PHY 10Gb/s
WAN PHY 9.29Gb/s (SONET framing overhead)
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10 GIGABIT ETHERNET TECHNOLOGY
10 GbE STANDARD
Under the International Standards Organizations Open
Systems Interconnection (OSI) model, Ethernet is
fundamentally a Layer 2 protocol.
IEEE 802.3ae was adapted to include 10-Gbps full-duplex
transmission over fiber-optic cable.
10 Gigabit Ethernet uses the IEEE 802.3 Ethernet Media
Access Control (MAC) protocol, the IEEE 802.3 Ethernet
frame format, and the minimum and maximum IEEE 802.3
frame size.
10 Gigabit Ethernet remains true to the original Ethernet
model.
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10 GIGABIT ETHERNET TECHNOLOGY
10 GbE ARCHITECTURES
10 Gigabit Ethernet uses two separate encoding steps.
The encoded data provides synchronization, efficient usage of
bandwidth, and improved signal-to-noise ratio characteristics.
All 10GbE varieties use optical fiber media.
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10 GIGABIT ETHERNET TECHNOLOGY
802.3ae Architectural Components
WWDMPDM1310nm
WWDMLAN PHY8B/10B
Serial LAN PHY64B/66B
SerialPMD
850nm
SerialPMD
1310nm
SerialPMD
1550nm
SerialPMD850nm
SerialPMD
1310nm
SerialPMD
1550nm
Serial WAN PHY64B/66B + WIS
10Gb Media Independent Interface (XGMII) or
10Gb Attachment Unit Interface (XAUI)
Full Duplex 802.3 Media Access Control (MAC)
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10 GIGABIT ETHERNET TECHNOLOGY
GIGABIT vs 10-GIGABIT ETHERNET
Gigabit Ethernet 10-Gigabit Ethernet
CSMA/CD + full duplex Full duplex only
Leveraged Fibre Channel PMDs New optical PMDs
Reused 8B/10B coding New coding schemes 64B/66B
Optical/copper media Optical media only
(copper in development)
Support LAN to 5 km Support LAN to 40 km
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10 GIGABIT ETHERNET TECHNOLOGY
CHIP INTERFACE(XAUI)
The XAUI is designed as an interface extender, and the
interface, which it extends, is the XGMII, the 10 Gigabit
Media Independent Interface.The XGMII is a 74 signal
wide interface (32-bit data paths for each of transmit
and receive) that may be used to attach the EthernetMAC to its PHY.
Benefits of XAUI technology - low EMI due to it's self-
clocked nature, compensation for multi-bit bus skew --
allowing significantly longer-distance chip-to-chip --error detection and fault isolation capabilities, low power
consumption, and the ability to integrate the XAUI I/O
within commonly available CMOS processes.
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10 GIGABIT ETHERNET TECHNOLOGY
PHYSICAL MEDIA DEPENDENTS(PMDs)
The IEEE 802.3ae Task Force has developed a draftstandard that provides a physical layer that supports link
distances for fiber optic media as shown in Table A. To
meet these distance objectives, four PMDs were
selected.
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PHYSICAL LAYER(PHYs)
The LAN PHY and the WAN PHY will operate over common
PMDs and, therefore, will support the same distances. .
The 10 Gigabit LAN PHY is intended to support existing
Gigabit Ethernet applications at ten times the bandwidth with
the most cost-effective solution.
The 10 Gigabit Ethernet WAN PHY supports connections to
existing and future installations of SONET/SDH (Synchronous
Optical Network/Synchronous Digital Hierarchy) circuit-
switched telephony access equipment.
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10 GIGABIT ETHERNET TECHNOLOGY
APPLICATIONS FOR 10 GbE
10 Gigabit Ethernet in Local Area Networks
Ethernet technology is already the most deployed technology for
high performance LAN environments.
With the extension of 10 Gigabit Ethernet into the family ofEthernet technologies, the LAN now can reach farther and
support up coming bandwidth hungry applications.
With 10 Gigabit backbones installed, companies will have the
capability to begin Gigabit Ethernet service to workstations and,
eventually, to the desktop in order to support applications such asstreaming video, medical imaging, centralized applications, and
high-end graphics.
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10 GbE in Metropolitan and Storage Area Networks
Gigabit Ethernet is already being deployed as a
backbone technology for dark fiber metropolitan
networks. With appropriate 10 Gigabit Ethernet
interfaces, optical transceivers and single mode fiber,service providers will be able to build links reaching
40km or more.
10 Gigabit Ethernet will provide infrastructure for both
network-attached storage (NAS) and storage areanetworks (SAN).
APPLICATIONS FOR 10 GbE
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10 Gigabit Ethernet in Wide Area Networks
10 Gigabit Ethernet will enable Internet service
providers (ISP) and network service providers (NSPs)
to create very high-speed links at a very low cost,
between co-located, carrier-class switches and routersand optical equipment that is directly attached to the
SONET/SDH cloud.
10 Gigabit Ethernet with the WAN PHY will also allow
the construction of WANs that connect geographically
dispersed LANs between campuses or POPs (points of
presence) over existing SONET/SDH/TDM networks.
APPLICATIONS FOR 10 GbE
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10 Gigabit Ethernet as a Fabric Interconnect
10 Gigabit Ethernet is in a position to replace all these
proprietary technologies as a next-generation interconnect
for both server and storage-area networks for several
reasons:
APPLICATIONS FOR 10 GbE
Cost-Saving Server Consolidation.
10 Gigabit Ethernet Offers the Necessary Bandwidth.
Planned Growth of 10 Gigabit Network Features.
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10 GIGABIT ETHERNET TECHNOLOGY
USING FIBER IN 10GbE
There are two types of optical fiber, multimode andsingle mode fiber, that are currently used in data
networking and telecommunications applications.
The 10 Gigabit Ethernet technology, as defined in the
IEEE 802.3ae standard, supports both optical fibertypes.
However, the distances supported vary based on the
type of fiber and wavelength (nm) is implemented in the
application.
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10 GIGABIT ETHERNET TECHNOLOGY
THE FUTURE OF 10GbE
Will There be Copper?
IEEE 802.3 has recently formed two new study groups
to investigate 10 Gigabit Ethernet over copper cabling.
The 10GBASE-CX4 study group is developing astandard for transmitting and receiving XAUI signals via
a 4-pair twinax cable, commonly referred to as a 4x
InfiniBand cable.
The 10GBASE-T study group is developing a standardfor the transmission and reception of 10 Gigabit
Ethernet via a Category 5 or better unshielded twisted
pair (UTP) copper cable up to 100 m.
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10 GIGABIT ETHERNET TECHNOLOGY
10 GbE MARKET OVERVIEW
Extension of existing Ethernet family of standards
Another 10x jump for higher capacity
Typical Ethernet applications at higher speed
Also positioned as a MAN/WAN technology for use over
dark fiber or SONET/SDH
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10 GIGABIT ETHERNET TECHNOLOGY
Presented By: Ramotar Prasad Sahoo
CONCLUSION
10 Gigabit Ethernet is very much necessary for
todaysnetwork and is viable now.
10 Gigabit Ethernet forms the backbone of
todaysnetwork due to its enhanced features. In future it will provide more better networking
solutions as continuous efforts have been put
into it to upgrade it.
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THANKYOU !!!!!!!!