Packet Optical Transport Network - TIA 2016tia2014.org/sites/default/files/pages/Huq Shaheedul_0.pdf · Ethernet/ MPLS switch ODU switch 10/40/100G DWDM NMS IP/MPLS router 10/40/100G

1 © Nokia Siemens Networks Document classification

Integrated Packet Optical Transport An Optimal Solution for Converging IP Networks

Shaheedul Huq

Solution Sales Manager

Optical Networks June 7, 2012


Challenges in the marketplace

Challenging Business Model

Explosive Bandwidth Growth

1999 2002 2005 2008 2011 2014 2017 2021

180,000

100,000

20,000

17x Growth

2008-2020

+27% 2008-2020

CAGR

PB/Month

Source: Juniper, Cisco,

MINTS

Dynamic and Unpredictable applications

Non-scalable architecture

Cloud

IP Apps

Mobility


Carriers are looking to:

• Increase speed and capacity

• Moving to 100G, thinking about 400G, 1T

• Reduce $/bit:

• CapEx:

• Price erosion

• Optimized architecture

• OpEx

• Simplify operation

• Converge & consolidate

• Improve competitiveness and customer experience

• Service provisioning

• QoS

• Service availability

• Evolution versus revolution

End user expectations

• Instantaneous response

• Minimum loading time

CSP’s are forced to improve network efficiency

New applications

• High bandwidth

• “Real –time”

• Interactive

• Cloud computing

Data Era changes traditional model


Packets

Circuits

Optical

Transport

Today’s IP transport networks are complex, lack efficiency and scalability

Real Challenge: Scalability and Interworking within & between layers

Vendor E

Technology Z Vendor F

Technology M

Vendor D

Technology Y Vendor C

Technology X

Vendor A Vendor B

Vendor B

Technology Z

• Multiple layers

• Multiple technologies in Transport layer (SDH/SONET, CES, Metro D/CWDM, OTN, etc)

• Multiple vendors within these layers

• Multiple traffic planes within these vendor environments (Data, Control & Management)


• Reducing SDH/SONET

• Moving to a converged IP/MPLS-

OTN/DWDM…

Moving to OADM, MSPP and reduction of

ATM

SDH/MSPP

OC-3/OC-48 OC-192 /

OC-768

ATM

P<->P DWDM OADM

IP

10G/40G/100G

OTN interfaces

Control

Plane

(GMPLS/

ASON)

10/40G

1995 -2000 2000 -2006 2005 -2008 2008 – 20xx

Operators want to simplify the network

Reducing layers

IP IP IP

DWDM/2D

ROADM

Multi-

Degree ROADM Switch

/ OXC

SDH/Sonet

IS POTN the ANSWER?


The POTN World Layers (0,1,2,3) Must Converge and Cooperate

Optical switching multi-reach DWDM 10/40/100G CDC, flexi-grid

OTN switching for sub-lambda grooming, TDM and cheap grooming

IP over DWDM with colored interfaces, NMS, planning tool and control plane MPLS-TP switching for

IP transport packet connectivity fulfilling transport requirements

0 1

2

3


P-OTS

Ethernet/ MPLS switch

ODU switch

10/40/100G DWDM

NMS

IP/MPLS router

10/40/100G DWDM NMS

IPoDWDM

How NSN sees the POTN world Main node architectures

POTN is a network either composed by P-OTS (Packet Optical Transport

Systems) or by routers with colored interface integrated to DWDM system

and NMS and control plane (IPoDWDM)

Coloured interfaces integrated into

IP/MPLS Router

Integration of router coloured interfaces into

DWDM planning tool

Multi-degree ROADM/PXC Pure Packet Switch

Fabric for MPLS-TP / Ethernet

ODUk switching with native TDM cross-connection

Multi-degree ROADM/PXC

Transport Network

Management System


Packet-Transport integration simplifies the network and increases efficiency

• Reduced total cost

of ownership (TCO)

by 40-65% compared

to traditional

networks

• Increased efficiency

through Multi-Layer

Optimization

• Simplified

operation through

common OSS

and interworking

Control Planes

Virtual layers:

IP layer

OTN

switching layer

DWDM layer

Virtual layers:

IP layer

MPLS

switching

layer

DWDM layer

IP/MPLS over DWDM OTN over DWDM

IP/M

PL

S c

on

trol

pla

ne

GM

PL

S c

on

trol

pla

ne

IP Core router

Integrated OSS

MPLS Switch

OTN switch

10/40/100G Opt. Trans. & Switch

IP Edge router

Multi-layer Optimization

Integrated Data

plane

Integrated Control

plane (GMPLS)

Converged SuperCore

OSS

Integrated Packet Transport Network


Optimization of DWDM Layer via OTN Aggregation

Network Topology

Physical Structure

•15 traffic nodes

•25 physical links

Traffic Volume

•Total Traffic Volume 2007: ~ 50 Tbps (CAGR of 50%)

•Total Traffic Volume 2011: > 300 Tbps

BE RAP

YVE ZH SGL

GE LS NIU

LZ

BEL LGV CR

WIN SAF WIL

BS

Node

Model electrical

grooming

optical

transport

ODU

grooming

IP Ethernet TDM

Source: Thomas Engel, Achim Autenrieth, Jean-Claude Bishoff, “Packet Layer Topologies of Cost Optimized Transport Networks”, ONDM, Braunschweig, Germany, Feb. 18-20, 2009

0

10

20

30

40

50

60

70

80

BE

-BS

-1

BE

-BS

-2

BE

-YV

E

BE

-LS

-1

BE

-LZ

BE

-ZH

BE

-LS

-2

BE

L-L

GV

BE

L-L

Z

BS

-WIN

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-ZH

BS

-YV

E

CR

-LG

V

CR

-NIU

GE

-LS

GE

-YV

E

LS

-YV

E

LZ

-RA

P

LZ

-ZH

NIU

-RA

P

NIU

-SG

L

RA

P-Z

H

SA

F-W

IL

SA

F-W

IN

SG

L-W

IL

WIN

-ZH

node pair

wa

ve

len

gth

s

STM-64

STM-16

10GE->ODU-2

1GE->ODU-2

1GE->ODU-10

10

20

30

40

50

60

70

80

BE

-BS

-1

BE

-BS

-2

BE

-YV

E

BE

-LS

-1

BE

-LZ

BE

-ZH

BE

-LS

-2

BE

L-L

GV

BE

L-L

Z

BS

-WIN

BS

-ZH

BS

-YV

E

CR

-LG

V

CR

-NIU

GE

-LS

GE

-YV

E

LS

-YV

E

LZ

-RA

P

LZ

-ZH

NIU

-RA

P

NIU

-SG

L

RA

P-Z

H

SA

F-W

IL

SA

F-W

IN

SG

L-W

IL

WIN

-ZH

node pair

wa

ve

len

gth

s

STM-64

STM-16

10GE->ODU-2

1GE->ODU-2

1GE->ODU-1

40% reduction of wavelength usage by using intermediate

ODU level grooming Capex saving !!!

36.5 20.2


0%

20%

40%

60%

80%

Router off-load factor (%)

CA

PE

X S

AV

ING

(%

)

2010 17% 15% 12% 17% 15% 12%

2011 22% 18% 15% 26% 36% 33%

2012 24% 35% 30% 32% 47% 50%

2013 24% 47% 46% 38% 52% 60%

2014 35% 44% 55% 38% 52% 61%

50% 70% 90% 50% 70% 90%

50% yearly capacity growth 100% yearly capacity growth

European customer example

• Yearly capacity growth: 50 and 100%

• IP Transit traffic off load factor: 50%, 70%, 90%

• Router pipe filling factor: 75%

• Cumulative CAPEX savings in 2014

•50% yoy capacity growth: 55%

•100% yoy capacity growth: 61%

IP core router tranist traffic off-load with P-OTN switch can result significant savings (*) !

• Electricity saving (OPEX)

• CO2 cumulative saving during 2010-2014 in European customer case can be up to 590 tons

• Footprint saving can help on site rental costs and delaying the needed site expansion investments

CAPEX SAVING OPEX SAVING FOOTPRINT

Core

router

IP off-load

with

MPLS-TP

Up to 80%

Off-load factor

Power / CO2

consumption

reduction

Up to 65%

Floor space

reduction

Up to 68%

Optimization of DWDM Layer via OTN & MPLS-TP Integration

(*) Depending of the final configuration

POTS Switching allows significant reduction of IP/MPLS network CAPEX and OPEX!


Liquid Transport is about flexibility in optical IP networks

Intelligent Control

Services in seconds

MultiLayer

Optimization

360° network planning

Flexible Optics

Zero-constraint optical

networking

The right balance

between layers

The right mix of

packet and optical

Highest

capacity

Greatest

flexibility

Lowest

costs


High-speed digital signal processing

• Enabling 40G, 100G, 400G, 1Tb, flexi-rate transponder

• Supporting passive optical distribution network

• Enabling >60Tb/s together with new fiber technologies

The basis for liquidity in optics are advances in technology

Photonic integration

• Key technology for reducing cost, footprint and power

• Si-photonics for integration of optical and electronic functionality

Advanced ROADM technologies & architectures

• Ensuring fast service availability, enabling network flexibility via CDC and Flexi-grid architectures


MultiLayer Optimization

70% CAPEX savings

50% less power

consumption

Minimized Latency

Improved Scalability

Integration of optics and IP

Field-proven tools

Multi-vendor integration

consumption

MultiLayer Optimization

360° network planning


Multi-Layer, multi-technology, multi-vendor, e2e:

• Optimization across layer 1 to 3

• Across all transport technologies: DWDM, OTN, ethernet, MPLS-TP, IP/MPLS, MWR, etc.

• Deliver the required functionaliy at the lowest possible layer

• The lower the layer the lower the cost of service delivery

Improved Efficiency Improved Scalability

Minimize TCO Network Optimization

IP Routers

OTN Ele

ctr

onic

O

ptical

Packet

switching

Circuit

switching

MPLS

OTN

WDM

Cost per bit / power consumption

Core router capacity (Tbps)

5 Tbps

10 Tbps

2015 2010 2020 2005

Max. single shelf router capacity

Required core router capacity

Multilayer optimization cost-efficient while capacity demands increase


Intelligent Control

Intelligent control plane

Automated path provisioning

Cross-domain

Multi-vendor

Connectivity service

provisioning in near real-time

instead of hours or days

Intelligent Control

Services in seconds

16 © Nokia Siemens Networks Proprietary

Data Plane Integration Management Plane Integration

Multi-Layer Integration & Optimization

Control Plane Integration: IP/MPLS & GMPLS

A truly integrated packet transport network

• Robustness against multiple

failures

• Resilient IP capabilities: Improvement of

service quality, Reduction of

maintenance costs

• Dynamic E2E connection provisioning

Benefits

• Single OSS for network

provisioning and operation

• Connection provisioning

• Service Management

• Fault Management

• TransNet for optical

planning & automated

configuration

• Optical bypass &

electrical grooming

optimally planned

• Direct interconnection of router colored

OTN G.709 interface into optical

transmission

• Reducing in station connection, power

consumption & footprint

Resiliency

Automation

CAPEX

Risks

TCO OPEX

Complexity


Nokia Siemens Networks Support both POTN node architectures

IP layer and

Electrical

switching

layer

DWDM layer

IP layer

Electrical

switching

layer

DWDM

layer

hiT 7300

TNMS

TransNet

Packet-Optical Transport System

Nokia Siemens Networks

hiT 7300

IPoDWDM

Juniper – Nokia Siemens Networks

hiT 7100 Switch/Router

TNMS

TransNet


Thank You!

Documents

Packet Optical Transport Network - TIA 2016tia2014.org/sites/default/files/pages/Huq Shaheedul_0.pdf · Ethernet/ MPLS switch ODU switch 10/40/100G DWDM NMS IP/MPLS router 10/40/100G