Moshe Shimon, VP of Product Line Management and Marketing at Telco Systems, spoke on How to Extend OpenFlow to Support Carrier Ethernet Services . In his presentation, Shimon discussed, among others, the benefits and challenges of Carrier Ethernet 2.0 (CE 2.0) and why network service provider need to shift to Software-defined networking (SDN), and network functions virtualization (NFV).

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How to Extend OpenFlow to Support
Carrier Ethernet Services
Moshe Shimon, VP Product Management, Telco Systems

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2
Revenue growth 1%-4%
SP#1
SP#2
NA traffic demand
averaged growth
54%
Revenue($B)
160
120
80
40
0
Challenges to the Business Model
The network service provider’s revenue versus
demand growth challenges
2
NorthAmericaIPTrafficDemand(EB/MO)
25
5
1
2007 2008 2009 2010 2011 2012 2013
Source: Cisco, Yahoo Finance

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Benefits & Challenges of CE 2.0
3
There are many benefits to the CE 2.0 technology and
this was evident as it quickly became THE INDUSTRY
STANDARD. However that led to the loss of
differentaition between the customers as they all
provide the same technology.
ADOPTION
DIFFERENTIATION

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Why Shift to SDN/NFV
4
NaaS - Virtualization
From connectivity networks to IT centric networks
Transform CE2.0 devices to multipurpose functional network
Enabling the SPs increase their revenues from the network
Automated Process
• Reduced operational costs
• make changes to the network less error prone
Higher Agility
Speed deployment of new services
New pure software apps can be deployed much faster
Granular Services
SP need the ability to configure the network with finer
granularity so that they can better support user requirements

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Application Prioritization on Demand
Problem:
Providing application based prioritization and QoE
Solution:
Differentiate the various applications in the service using DPI,
and assign each application a dynamic priority throughout the network
CORE DATA CENTER
Carrier Ethernet /
IP/MPLS
ACCESS AGGREGATION
10 GigE
T-Metro 8006
ENTERPRISE
SDN Controller and OrchestrationRegular
priority
High
priority

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Application based BW profile service
customization
 Based on SDN controller & CE Service Management
 OpenFlow southbound interface – openness to manage
3rd party devices
 Agility - Add new automation and optimization capabilities
 3rd party apps integration

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Do CE 2.0 capabilities exist in SDN?
 Some do
 Data Plane Processing
 Traffic Engineering
 ACL
 QoS
 Some still don’t
 Interop may be not trivial, because of HW OpenFlow
capabilities., Still requires integration effort
 Service Resiliency model not adopted
 OAM not mature
 Extend QOS functionality

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GAPS Resolving Strategy
Hybrid Network Use Case
SDN / OpenFlow
Domain
Carrier Ethernet /
IP/MPLS Domain
Modular SDN Switch
Service
Termination
Flow
Entry
Signaled L2/L3/MPLS Service Static L2/L3/MPLS Flow
NMS SDN Controller
OAM
MEP
MIP/
MEP
OAM
MEP
MIP/
MEP
Service OAM Flow OAM
Hybrid strategy: Provisioning and maintenance use OpenFlow channel in part of
capabilities, and legacy (SNMP, Netconf…)

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Gaps Resolving Strategy
Hybrid Network Use Case
SDN / OpenFlow
Domain
Carrier Ethernet /
IP/MPLS Domain
Modular SDN Switch
Service
Termination
Flow
Entry
Signaled L2/L3/MPLS Service Static L2/L3/MPLS Flow
NMS SDN Controller
OAM
MEP
MIP/
MEP
OAM
MEP
MIP/
MEP
Service OAM Flow OAM
Hybrid strategy: Provisioning and maintenance use OpenFlow channel in part of capabilities,
and legacy (SNMP, Netconf…)

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Telco Systems – SDN Solution
Core
Edge
Edge
Edge
EdgeGenie Controller
+
Ryu ODL Support
SDN Enabled Devices
•OpenFlow
•Netconf
Hybrid Mode: CE2.0/SDN
SDN Controller
Open, Agile, Full Control

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Telco Systems – NFV Solution
Core
Edge
Edge
Data Center Enterprise
SMB
IoT
Edge
Carrier Ethernet
Intel x86 Blade
Cloud Edge Services
•Firewall, VPN
•WAN, CDN
•Session Border
•E2E QoE
CloudMetro NFV Demarcation & Aggregation Platform

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