building a resilience infrastructure for content distribution

Telecommunications Congress – Andicom 2009

Building a Resilience Infrastructure For Content Distribution

Presented by:

Dallas Maham

Sr. Product Manager

Tellabs Optical Networking Group

October 29, 2009

Telecommunications Congress – Andicom 20092 April 10, 2023

The problem with the OLD Model

Most Social Networks can beAffected by single individuals

Viral Distribution

Network Congestion

Poor Service Experience

Revenue Contraction

Traffic Storm

FixedHierarchy

Congestion

Traffic

Users


Why a Resilient Infrastructure is a good approach …

Most Social Networks can beAffected by single individuals

Viral Distribution

Extra capacity via stacking

Local BW control

Traffic Storm

DynamicHierarchy

Modify Network Coverage

1

1

Congestion

Traffic

Users


Agenda

Market Status

Dynamic Optical Networking

Ethernet over DWDM Example


Ethernet microwave is worldwide backhaul winner

New connections move quickly to mostly IP/Ethernet, whether fiber, copper, or microwave

0

200,000

400,000

600,000

800,000

1,000,000

1,200,000

CY05 CY06 CY07 CY08 CY09 CY10 CY11 CY12 CY13

Calendar Year

Nu

mb

er

of

Ne

w C

on

ne

cti

on

s

PDH ATM over PDH Ethernet copper and fiber

SONET/SDH Ethernet microwave PDH/SDH microwave

May 2009


Optical Packet

Layer simplification and lowest cost per bit

Copyright ©2007 by Infonetics Research, Inc.13

Simplifying Toward IP/ MPLS Data over Optical ETH-WDM

IP

SONETSDH

DWDM

EthernetATM

Layer0/1

Layer1/2

Layer2/3

Layer0

Layer1

Layer2

Layer3

IP/MPLSFlexibility

ResilientTransport

Ethernet

• IP/MPLS for Applications– Platform for communication

services– Shared, Multi-point connectivity

• Ethernet for Packet Transport– Platform for efficient packet

access– Low Cost Interfaces

• Managed Optical Channels– Ethernet– Platform for flexible Lightpath

connectivity– Service Transparency


Optical PacketMetro Transport Evolution

SDH & DWDM

Pre-2006

2006 - 2009 2009+

• Integrated Platform – WSS, Fabric (DCS & EN), Client Interfaces• Wavelength Selectable Switch (WSS) Provides Multi-Degree Optical Switching• TDM and Packet Aggregation via Hybrid Electrical Switch Fabric• Tunable Optics and Rate Adaptive Client Ports


Agenda

Market Status




Build The Highway

Universal System Architecture

Dynamic Optical Layer

Intelligent Services Layer

Support Any Vehicles

10G 40G

100G

SDH – Ethernet - SANS

10G

CARD

OTN

CARD

ADM

CARD

ADM

CARD

ETHERNET

ETHERNET

40G

CARD

40G

CARD

100G

CARD

100G

CARD

BB DCS + Packet Switch+ OTN Switch

ROADM based Dynamic Optical Core

CommonDynamic Optical Network

For All Applications

Integrated BB DCS + L2 Switch + OTN

Switch

Integrated Ethernet Switch

10G Transport

40G Transport

100G Transport(Future)

Tellabs 7100 Optical Transport System

Dynamic Optical Networking Fundamentals

OTN Multiplexer Integrated MSPP


Value in Optical Networking

Lay a Dynamic Optical Foundation from which you can…> Grow to any capacity> Rapidly allocate bandwidth to meet traffic demands> Efficiently carry any kind of service (SDH, Video, Metro Ethernet, Wavelength)

…While dramatically reducing transport network costs > Integrated TDM Switching to collapse optical ADM rings onto one platform> Integrated Layer 2 switching for efficient video transport and commercial services from

one platform> Put electronics only at the service end points



7100 Networks can be incrementally built span by span as traffic requires

Additional spans can be added one by one hitlessly when required

Turn up virtually any type of service across the network regardless of fiber topology with ZERO additional equipment required at intermediate nodes

• SONET Rings• Pt to Pt Circuits (2.5G, 10G, 40G)• Ethernet (RPR, VLAN)

Build A Dynamic Optical Foundation that Can Support Any Number of Nodes, Any Amount of Traffic, and Any Type of Service

Note: Slide Best Viewed in Presentation Mode

Networks can be incrementally built span by span as traffic requires

Additional spans can be added one by one hitlessly when required

Once the network is in place – new traffic can be turned up across the network simply by adding port cards at the end points

Turn up any type of service across the network regardless of fiber topology with ZERO additional equipment required at intermediate nodes

• SDH Rings• Pt to Pt Circuits (2.5G, 10G, 40G)• Ethernet (RPR, VLAN)


Why deploy DON from day one?

First cost of ADMs will provide lowest first cost, but> Growth is expensive and cumbersome! > Only grow by stacking rings> Doesn’t efficiently support the migration to packet networks

Start with the optical layer day one…> Build the network topology differently – match service demand not fiber map> Deploy electronics only at the end points> Add capacity at a much lower cost> Seamless expansion of optical layer to new offices further improves network economics> Support transport of all types of services (Ethernet, SDH, SAN, Video) > Efficiently support packet requirements with integrated switching

Dynamic Optical Networks are the most cost effective design


4 Node Network for IP DSL Growth

(3 OC-3s)

Historic Traffic Demands2004-2006: 1xOC-192 Ring

Plan W

CarrolltonMain

IRNG W

LWVL M

A

B

B A

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OC-3

OC-3

OC-3

Plan W

CarrolltonMain

IRNG W

LWVL M

A

B

B A

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A

From 4 Nodes

Lwvl W

Crtn SE

Plan W

CarrolltonMain

Plano NW

Crtn NE

CRTNN

GarlandMain

Plano M

Rowlett

Wylie

Plano CCPlano N

Grld S

Grld N

Grld SE

IRNG W

LWVL M

AC

B

A

A

B

B

BB

AA

A

A

B

C

B

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Irng N

Irng EIrng MIrng SW

Grapevine

Denton

Keller

Sherman

Justin

Argyle

Bnvl

Whitesboro

C

Lwvl GR

Lwvl RG

Lwvl S

VHO

Irng WH

Whitewright Merit

Caddo Mills

C

D

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BD

CA

B

D

B B

B

A

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A AC

B

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BABA

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To 47 Nodes

In Less than 12 Months

Where did the growth come from?2006: % of Customer requests addressed: 20%2007: % of Customer requests addressed: 80%Increase In Revenue For Service Provider: 3x

16 - OC-192 Equivalents

Real Network Example: Increase Revenue Generation


Agenda

Market Status




Ethernet Over DWDM (EoDWDM) Example

Physical Logical

x

x

x

x

Optimized use of Optical Circuits (OOO) and Ethernet Switching.

L2 for QoS + TE


Fully redundant architecture, but underutilized pipes result in extra network costs

High Construction cost for any fiber links that may not already exist

Network Core Layer

To Access Layer and End User Buildings

10G Mesh Connections (one connection from Aggregation Routers to each Core Router and to each adjacent node)

Network Distribution Layer

Aggregation Network Locations

Example: Existing IP Router Based Network: 10G MPLS Mesh


Fully redundant architecture, but underutilized pipes result in extra network costs



One for One 10G connections to Core Routers (6 each in this example)

13 wavelengths to support this mesh

Actual average throughput is about 5% of capacity

2G total bandwidth per site required in this example network

Network Core Layer

Example: Existing IP Router Based Network: Pt to Pt DWDM



Layer 2 Switched Transport Network

STEP 1: Implement L2 Switched Network using

STEP 2: Use 10G L2 network to aggregate traffic and switch to appropriate destinations

Control broadcast traffic through VLANs and Virtual Switches

Reduces Core Router Ports by only paying for actual bandwidth required

Reduces the quantity of 10G transponders in DWDM equipment, particularly at the Core Layer

Create logical mesh without costly physical fiber connections

STEP 3: Optimize the Aggregation Network locations by pulling all traffic into the network:

CAPEX Equipment Fiber Construction Software

OPEX Installation Maintenance Provisioning Troubleshooting Power and Space




Network Core Layer

Example: Integrated L2, DWDM & Mesh Network


Example: Core Node Comparison with 10 Aggregation Nodes

10G MPLS MeshArchitecture

10G Links to Aggregation nodes

L3 Router10x10G to Agg Nodes12x10G XFP

No DWDM

Core Router

Tellabs Proposed Architecture

10G Aggregated, switched links

L3 Router4x10G to L2 Network6x10G XFP

DWDM w/ Ethernet Switch4x10G Protected, switched wavelength

Core Router

Pt to Pt DWDMArchitecture

L3 Router10x10G to Agg Nodes12x10G XFP

DWDM 10x10G L1 transponders

10G from Aggregation nodes

DWDM

Core Router

DWDM

Note: Not accounting for interfaces between core routers

DWDM


Example:Aggregation Node Comparison

Pt to Pt DWDMArchitecture

Adj

acen

t nod

e (1

0G)

Adj

acen

t nod

e (1

0G)

Cor

e 1

(10G

)

Cor

e 2

(10G

)

....

L3 Switch 40xGE4x10G

DWDM4x10G L1 transponders

GE

Small to Med L3 switch

10G MPLS MeshArchitecture

L3 Router40xGE2x10G to Core Node2x10G to adjacent node4x10G XFP

No DWDM

....GE

10G to Core Node

Aggregation Layer 3 Router

10G to adjacent node

Tellabs Proposed Architecture

No L3 Switch

DWDM w/ Ethernet Switch40xGE2x10G protected, switched wavelength

....GE to end user buildings

DWDM DWDM


Example:

1. Reduced CAPEX with lower equipment costs

2. Maintained Critical Design Parameters> Network Redundancy> QoS Levels

3. Enabled Seamless Bandwidth Expansion– Grow to any capacity– Rapidly allocate bandwidth to meet traffic demands– Efficiently carry a wide range of services

4. Reduced Total Cost of Ownership, ongoing OPEX for the DOIM> Up to 65% savings for extended warranty and support> Up to 53% savings in power

Design Goals Met:

building a resilience infrastructure for content distribution

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