CFP, CFP2, and CFP4

Transcription

CFP, CFP2, and CFP4

4X25G Optical Modules
and
Future Optics
+),/1,/
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WWW.ETHERNETALLIANCE.ORG
ECOC 2012 - Amsterdam
1
The views expressed today on this
presentation are the personal views of the
participants and should not be considered
the views or positions of Ethernet Alliance
2
Panel Speakers & Topics
 Dan Dove, Applied Micro
  IEEE 802.3™ Optical Standards Update
 Brad Booth, Dell
  Short Reach Optics for Data Center Racks
 Jeffery Maki, Juniper
  100G link infrastructure requirements to support
future 400G PMDs
 Matt Traverso, Cisco
  Next Generation Optics - Advanced Modulation
3
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up to 40 km of fiber
DWDM Common Equipment
TX / RX
TX / RX
Amplifier / Filters/etc.
up to 40 km of fiber
DWDM
Transponder
40GBASE-Exx
40GBASE-LR4 or
40GBASE-SR4 or
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4 x 10GBASE-E
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Ref: cfi_0312_2.pdf
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85% or more
server/switch ports
are < 20m
Ref: flatman_01_0311_NG100GOPTX.pdf
9
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DCC:&G
o Massive
ass e Data
aa
For
Centers, these
links are
anticipated to be
between 30m and
500m
Lot of links
Very cost sensitive
WWW
ETHERNETALLIANCE ORG
12
KCE8F%!/$=,&,-0>
2011
2012
PAR Approved 802.3
PAR Approved LSMC
2013
Last New
Proposal
2015
2014
Last
Feature
Last
Technical
Change
13
Questions Will Be Taken
at the end of all presentations
14
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* Measurements are in metric.
19
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CFP2
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* Diagram from http://tinyurl.com/8l8emdj
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DCC
25
100G Ethernet Standard and
Upcoming Standardization
10G Media Lanes
25G Media Lanes
-none-
100GBASE-KR4/KP4
(802.3bj-Draft Clause 93/94)
Copper Cable
Assembly
100GBASE-CR10
(802.3 Clause 85)
100GBASE-CR4
(802.3bj-Draft Clause 92)
MMF
100GBASE-SR10
(802.3 Clause 86)
Two Objectives
(NG 40G/100G SG)
SMF
(At least 500 meters)
-none-
Objective
(NG 40G/100G SG)
SMF
(At least 2 km)
-none-
-none-
SMF
(At least 10 km)
-none-
100GBASE-LR4
(802.3 Clause 88)
SMF
(At least 40 km)
-none-
100GBASE-ER4
(802.3 Clause 88)
SMF
(At least 80 km)
-none-
-none-
PMD Support
Backplane
26
CFP(LC), CFP2(LC) and CFP4(LC)
for SMF Applications
CFP MSA Form Factors:
http://www.cfp-msa.org/
CFP4
CFP2
CFP
27
Example: CFP, CFP2, and CFP4
for 100GBASE-LR4/ER4 SMF PMD
Transmit side only depicted.
CFP
*'2
LAN WDM
DELH8HI&%
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DFCL8DG&%
*'2
LAN WDM
DELH8HI&%
DFCC8CH&%
DFCG8HK&%
DFCL8DG&%
4 λ on LAN WDM
CFP2
100GBASE-nR4
• A new 500-m reach
SMF PMD for 100GE is
actively being
considered in the 802.3
NG 40G/100G Optical
Ethernet Study Group
• Character n is a place
holder
• 100GBASE-LR4 is the
current option
CFP4
28
GCC
29
Projection of
Form Factor Evolution to 400G
CDFP4
CDFP2
16x25G
electrical
lanes
4x100G
8x50G
electrical electrical
lanes
lanes
CFP4
CFP4
CFP4
CFP4
CDFP
CFP4
CFP2
CFP
Roman Numerals
XL = 40
C = 100
CD = 400
speculation
400G
defensible
100G
30
400G Optical Ethernet
•  First-generation PMDs have to be
implementable that meet and eventually do
better than these requirements
-  Size (Width): ≤ 82 mm (CFP width, ~4 x CFP4)
-  Cost: ≤ 4 x CFP4
-  Power: ≤ 24 W (4 x 6 W power profile of CFP4)
•  Improved bandwidth density PMDs will need
higher rate optical and/or electrical lane
technologies such as 50 to 56 Gbps
31
Possible SMF Road Map:
100G, 400G, 1.6T
Early Adopter 400G
Mature 400G
4 x 100GBASE-nR4
or
400GBASE-PSM4
400GBASE-???
CFP4(LC)
CDFP2(LC)
CFP4(LC)
CDFP(MPO)
4 x 400GBASE-???
or
1600GBASE-PSM4
CDFP4(LC)
CDFP4(LC)
CFP4(LC)
CFP4(LC)
Early Adopter 1.6T
CDFP4(LC)
CDFP4(LC)
CDFP4(LC)
Parallel Single Mode, 4 Lanes (PSM4)
4, Tx and 4, Rx
1x12 MPO Connector
CDFP2(MPO)
(High-Density 100GE)
32
Density Road Map
CDFP4(LC)
Front-Panel
Bandwidth
Density
CDFP2(MPO)
CFP4(LC)
4 x CDFP4(LC)
CDFP2(MPO) / CDFP2(LC)
4 x CFP4(LC) / CDFP(MPO)
CFP2(LC)
CFP(LC)
100GE
400GE
1.6TE
33
*$$$*
&*+,*/,/*
34
Paradigm Example: QSFP(MPO) for
Parallel Fiber Applications
40GBASE-SR4
35
High-Density 10GE Based on
QSFP(MPO): 4 x 10GBASE-SR
4 x SFP+
36
Example:
Structured Cabling for 10G/40G
QSFP(1x12 MPO)
1 x 12 Fiber
Patch Cable
SFP+(LC Duplex)
40G
2 x 12 Fiber
Trunk Cable
10G
LC-Duplex
Patch Cable
Use SMF
for 100G/
400G
37
Summary
•  CFP MSA form factors for bandwidth evolution
•  Early adopter 400GE using 100GE module
and SMF cabling infrastructure
•  Possible common module for 400GE and highdensity (i.e., 4-port) 100GE
38
39
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4/6/0,
40
3'&,!/"$"& Vertical Cabling/Building
Ca
Backbone (typically Multimode Fiber)
Bac
Campus Backbone (typically single mode fiber)
Core
Distribution
Single mode fiber
Non-DWDM
Core Router
Core
Network
Central
IP / Office
MPLS
Core Router
Core Router
Core Router
Single modeAccess
fiber Switch
Ac
Access
Switch
Central
Office
ent
Central
Office
Aggregation Routers
Central
Office
Cen
Access Switch
41
''*3'&,!/"$"& DWDM Application different than
Client Optics
  Some Parameters are important for both
  Spectral/Transmission are critical for
DWDM
  Density, Link Budget & Latency are critical
for Client
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43
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4 ways to increase optical data-rate:
•  Increase the transmission frequency, or
•  Increase the number of fibers, or
•  Increase number of optical wavelengths, or
•  Increase number of bits per symbol
PAM-2
1 (1 level)
1-bit Symbols
0 (0 level)
0110100011
1 Level
0 Level
0110100011
1 1 (3 level)
PAM-4
1 0 (2 level)
2-bit Symbols
0 1 (1 level)
3 Level
2 Level
1 Level
0 0 (0 level)
0 Level
44
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J. D. Ingham, R. V. Penty, I. H. White, D. G. Cunningham, P. Westbergh, J. Gustavsson, Å. Haglund, A. Larsson, “Orthogonal multipulse modulation for nextgeneration datacommunication links,” 37th European Conference on Optical Communication, paper Tu.3.C.2. Geneva, Switzerland, September 2011
49
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Silicon Photonics
enables an Optical
DAC
•  DAC (Digital to Analog
Convertor)
•  Low cost CW laser light
source
•  DAC defined via
lithography
*See: http://www.ieee802.org/3/100GNGOPTX/public/jul12/nicholl_01_0712_optx.pdf
50
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51
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53
Industry Connections
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54
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* http://www.ieee802.org/3/ad_hoc/bwa/BWA_Report.pdf
56
&/+,*3'&&-'&+;" !*(,!*&,
Chair – John D’Ambrosia, Dell
To join reflector - http://www.ieee802.org/3/ad_hoc/bwa/reflector.html
HSE ICAID: http://www.ieee802.org/3/ad_hoc/hse/ec-12-0033-01-00ec.pdf
Background and Purpose
• 
The completion of the IEEE 802.3 Industry Connections Ethernet Bandwidth Assessment Ad hoc has
demonstrated that the bandwidth requirements of multiple application spaces are continuing an exponential
climb with the forecasted growth in 2020 to reach a level 100x the bandwidth required in 2010. The
purpose of the IEEE 802.3 Industry Connection’s Higher Speed Ethernet Consensus activity will be to build
consensus related to initiating a new effort targeting the next speed of Ethernet for wireline applications,
which will be used for the evaluation and possible development of a Call-For-Interest for the next IEEE
802.3 Higher Speed Study Group.
• 
• 
Related Standards – IEEE Std 802.3-2008 and IEEE Std 802.3ba-2010
Related Sponsor – IEEE 802
Charter and Scope
• 
The scope of this IC activity will focus on building consensus related to the next speed of Ethernet for wireline applications, which will be used for the evaluation and possible development of a Call-For-Interest for
the next IEEE 802.3 Higher Speed Study Group. The requested duration for this Industry Connections
activity is 12 months.
Proposed Deliverables
• 
The proposed deliverables will be the historical records, i.e. meeting notes & presentations, of the meetings
held by this Industry Connections activity.
57
Q&A
58

CFP, CFP2, and CFP4

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