ISL Verbindungen und WDM

apprehensiveheehawNetworking and Communications

Oct 25, 2013 (3 years and 9 months ago)

132 views

ISL Verbindungen
und WDM

Fibre

Channel
Symposium 2012, Wien

Matthias Kayser

Director

Business Development


matthias@smartoptics.com

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


SmartOptics Company Overview

SmartOptics Company Facts


Founded in 2005


Headquarter
in Oslo,
Norway


Development in Stockholm, Sweden



Part
of
the Finisar Group since 2011




Provides
complete
portfolio
of:


Data Center Connectivity


Passive WDM Networking (Mux/Demux/OADMs)


Optical Transceivers


Active WDM Networking (EDFAs, transponders)


Semi
-
Passive DWDM Networking





since 2006

I
SL Trunking and (embedded) WDM

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Conventional

Transmission

FC #1

One
service per fiber pair

FC #1

FC #2

FC #2

FC #3

FC #3

FC #4

FC #4

FC #5

FC #5

FC #6

FC #6

FC #7

FC #7

FC #8

FC #8

Important when using ISL:

“Trunks
operate best when the cable length of each trunked link is roughly equal to the others in the
trunk. For optimal performance, no more than 30 meters difference is recommended.
“*

*
Fabric

OS
Administrator's

Guide,
Fabric

OS
7.0.1,
Brocade

53
-
1002446
-
01

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


WDM Transmission



Each wavelength
creates
a ”virtual fibre”



WAN fibre requirements reduced by
the
factor of
used wavelengths



Pay
-
as
-
you
-
grow, new
wavelengths
can be added without traffic
interruption



Multiple protocols/speeds can
operate over different wavelengths on the same
fibre



All services are operating over exactly the same fiber distance!

FC
#3

FC
#4

FC
#5

FC
#6

FC
#7

FC
#8

FC
#2

FC #1

Multiple
services per fiber (pair)

FC
#3

FC
#4

FC
#5

FC
#6

FC
#7

FC
#8

FC
#2

FC #1

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Typical dual fiber and single fiber transmission using WDM

Dual fiber solution


1 fiber pair

Single fiber solution


1
single fiber

Example: 8ch. CWDM module

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Embedded WDM (no transponders)

WDM
Mux/
Demux

C/DWDM SFP in client
equipment

Colour

coded LC Patch
cord to Mux/Demux

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Embedded WDM


So how does it work?

Up to 80 FC / IP connections,

Up to 100km,

no power required

1.
Use
colored
C/DWDM SFP/SFP+/XFP
directly in
SAN/LAN equipment

2.
Use C/DWDM
Mux/
Demux

units to combine/split wavelength channels

3.
LC
-
LC Patch cord from transceiver to
multiplexer




Wavelengths are like virtual fiber pairs



no additional
latency
,
ISL
Trunking

possible



no special SAN equipment configurations



passive solution
, thus best reliability typ. 450 years MTBF



Ethernet
and Fibre Channel/FICON can be used
on the same system

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Why embedded WDM in the
Datacenter

?

In general:


No need for active WDM equipment for simple

poin
-
to
-
point networks


No management overhead


Lower cost (both CAPEX and OPEX)


Less space


No power consumption


No extra points of failure


For ISL Trunking:


Active equipment adds extra Latency


Muxponder Solutions do mostly NOT support trunking


SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


But: Optical transceivers have issue with higher data
-
rates

FC protocol

Link budget

TX to RX incl.
dispersion
penalty

4ch. Mux/
Demux
insertion
loss
(CWDM)

32 ch. Mux/
Demux
insertion
loss
(DWDM)

Link
budget

Distance


8G/10G


14 dB


3dB


7dB



7


11 dB



up to 44km



16G


10dB


11dB


3dB


7dB


4


8 dB


up to 32km



32G


7
-

8 dB


3dB


7dB


0


5 dB


Up to 20km



-
> Amplified solutions are needed for higher datarates and longer distances!


SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Active WDM Networking

Market for Passive vs. Active WDM Solutions so far

Passive WDM Networking

0 to 70 km

70 to 2000 km

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Active WDM Networking

Now the Rules are changing


Passive WDM Networking

0 to 70 km

200 to 2000 km

70 to 200 km

Semi Active WDM Networking

DWDM Data Center Interconnect (DCI)

for distances >40 km


SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


m:series: Plug & Play DWDM Distance Extension

• Minimum
Complexity

• Minimum
Cost

• Maximum Speed

• Maximum Distance


Industries
first

semi
-
passive WDM
platform


Intelligent
„all
in
one

Mux
/EDFA/DCF/NMB
platform


Cost

&
technical

benefits

of

embedded

WDM
system


Distance

performance

of

active

WDM
platform


4+4 / 16+16
channel

solutions

(
today
)


Up

to

200km
transmission

distance

for

10G


All
protocols

up

to

100G
supported


Removes

dependency

on
active

DWDM
system


No

complicated

planning
,
setup

or

configuration


Simple
Plug & Play

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Embedded WDM (no transponders)

WDM Mux

DWDM SFP in client
equipment

Colour

coded LC Patch
cord to Mux/Demux

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


OSC Add/Drop

Dispersion Comp.


EDFA Preamp


EDFA Booster

850nm SFP in client
equipment

Traditional DWDM approach (using transponders)

Transponder

WDM Mux

DWDM SFP o/p from
transponder

Mux/Demux combines all
signals on to single output

850nm SFP
i
/p in to transponder

OSA

All separate blades in
DWDM system

NMB

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


OSC Add/Drop

Dispersion Comp.


EDFA Preamp


EDFA Booster

850nm SFP in client
equipment

Traditional DWDM approach (using transponders)

Transponder

WDM Mux

DWDM SFP o/p from
transponder

Mux/Demux combines all
signals on to single output

850nm SFP
i
/p in to transponder

OSA

All separate blades in
DWDM system

NMB

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Semi
Active WDM Networking using m:series

m:series

DWDM transceiver still
plugged directly into SAN
equipment

Patch cord still connects
traffic to the “Mux/
Demux


But the

“Mux /
Demux


is intelligent


Dispersion
compensation

Optical
Amplification

Automatic
Power
Equalization
and Link
Adjustment

Optical
Monitoring

Network
Management

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Embedded DWDM and Semi Active distance extension

Exactly the same concept as Passive WDM !

Up to 32 FC / IP channels,

up to 200km,


SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Wichtige Parameter für das Design von WDM Links

Optische Parameter:


Länge der Dark Fiber


Optische Dämpfung der Dark Fiber


Typ der Glasfaser (z.B. G.652 oder G.655)


Zu übertragende Services:


Anzahl benötigter Services am Tag 1 und für die Zukunft


Geschwindigkeit der geplanten Services am Tag 1 und für die Zukunft


FC Switch:


Lizenz für ISL


Lizenz für
Buffer

Credits


Details siehe
auch im
Brocade


Fabric

OS
Administrator's

Guide“


SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Part no:

Description/Application

SO
-
SFP
-
4GFC
-
L50D

ELWL:
4x/2x/1x

FC/FICON, SFP, SM, DDM, 18dB, 50km, 1550nm

SO
-
SFP
-
4GFC
-
L100D

ELWL:
4x/2x/1x

FC/FICON, SFP, SM, DDM, 28dB, 100km, 1550nm

SO
-
SFP
-
4GFC
-
50D
-
Cxx

CWDM:
4x/2x/1x

FC/FICON, SFP, SM, DDM, 18dB, 50km

SO
-
SFP
-
4GFC
-
80D
-
Cxx

CWDM:
4x/2x/1x

FC/FICON, SFP, SM, DDM, 28dB, 80km

SO
-
SFP
-
4GFC
-
80D
-
Dxxxx

DWDM:
4x/2x/1x

FC/FICON, SFP, SM, DDM, 24dB, 80km

SO
-
SFP
-
8GFC
-
L40D
-
Cxx

CWDM:
8x/4x/2x

FC/FICON, SFP+, SM, DDM, 16dB, 40km

SO
-
SFP
-
8GFC
-
ER
-
Dxxxx

DWDM:
8x/4x/2x

FC/FICON, SFP+, SM, DDM, 15dB, 40km


in certification process

SO
-
SFP
-
16GFC
-
ER
-
Dxxxx

DWDM:
1
6x/8x/4x

FC/FICON, SFP+, SM, DDM, 14dB, 40km


in certification process

T
-
3008
-
LC

CWDM:
8 channel

8
ch.

CWDM Mux/
Demux
, C47
-
C61, IL Link=3.5dB, LC

T
-
3009
-
LC*

CWDM:
8+8 channel

8+1
ch.

CWDM Mux/
Demux
, C47
-
C61+1310nm, IL Link=4.0dB, LC

T
-
3016
-
LC

CWDM:
8 channel

8
ch.

CWDM Mux/
Demux
, C29
-
C43, IL Link=2.5dB, LC

T
-
3832

DWDM:

32 channel

32
ch.

DWDM Mux/
Demux
, 100GHz, SO
ch.

plan, IL=7.2dB, LC

T
-
4408

C/DWDM:
8 channel
transponder system

8 channel, 1U, 100Mbps
-

4.25Gbps System, GUI, SNMP, 2xOSC, APS

m:series

DWDM:
up to 16+16 channel

Amplified semi active DWDM system,

1U, up to 200km no
certification

required

Brocade

Approved

SmartOptics
Products

*
Special
version

T
-
3009
-
LC
-
40
needed

for

SO
-
SFP
-
8GFC
-
L40D
-
Cxx

SmartOptics AS

Phone:

+47 213 79 180

Mail:

info@smartoptics.com

Web:
www.smartoptics.com


Summary

Active Embedded DWDM Networking




Embedded Networking still growing in importance




IPoDWDM




Even better fit for higehr data
-
rates as transponder cost is


of higher importance




Sweet spot is still <120
-
160 km



Data Center Connectivity



Regional IP Networks