ralph santitoro carrier ethernet market development [email protected] packet optical...
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![Page 1: Ralph Santitoro Carrier Ethernet Market Development Ralph.Santitoro@us.Fujitsu.com Packet Optical Networking for LTE Cell Tower Backhaul](https://reader035.vdocuments.net/reader035/viewer/2022081516/56649d545503460f94a31244/html5/thumbnails/1.jpg)
Ralph SantitoroCarrier Ethernet Market [email protected]
Packet Optical Networking for LTE Cell Tower Backhaul
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May 18, 2011 2
Current landscape
Many, if not most, backhaul deployments use SONET Using Multi-Service Provisioning Platforms (MSPP)
SONET delivered via MSPPs well served cell tower backhaul providers for a long time Reliable Secure Provides guaranteed bandwidth Efficiently supports T1s (predominant circuit type requiring backhaul) Supports Ethernet, albeit inefficiently
Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
this is where the problem lies
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May 18, 2011
Ethernet over SONET (EoS) for BackhaulWhy use it ?
Many different implementations of Ethernet Transport Switched (Connectionless) Ethernet Ethernet over MPLS Ethernet over SONET Connection-Oriented Ethernet
Each implementation varies significantly in: QoS Performance (packet latency, loss) Network Availability (protected / unprotected transport) Bandwidth Assurances (statistical versus guaranteed) Network Security (number of vulnerabilities)
EoS used because it is the safe choice… It just works !
3Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
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May 18, 2011
Mobile Backhaul Technology Migration
Keep 2G traffic on TDM No traffic growth so T1 MRC is flat
High growth 3G and emerging LTE traffic High bandwidth cell site base stations upgrade to Ethernet Ethernet over SONET on MSPPs not efficient for packet-centric traffic
• How do you evolve this to a more efficient technology?
4Connection-Oriented Ethernet for Efficient Cell Tower Backhaul. (c) Copyright 2011 Fujitsu Network Communications.
Time
Ba
nd
wid
th
Voice + 2G Data
3G/4G Data
3G
LTE Ethernet
Ethernet
T1s
2G T1s
Mobile Switching
Center
SONET
Backhaul Network
Ethernet over SONET ??
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May 18, 2011
Packet Optical Networking
Packet Optical Networking provides the integration of Packet: Connection-Oriented Ethernet Optical Transport: SONET, ROADM, WDM, OTN
Packet Optical Networking: Reliable Secure Provides guaranteed bandwidth Efficiently supports T1s (predominant circuit type requiring backhaul) Efficiently supports Ethernet for high-growth packet centric data
Packet Optical Networking Platforms (P-ONP) Enable 3G/LTE high growth data services to be efficiently backhauled
over existing SONET infrastructure While facilitating migration to packet-centric infrastructure
5Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
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Ethernet over SONET challenges and how Packet Optical Networking addresses them
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May 18, 2011
Ethernet over SONET (EoS) Challenges using Multi-Service Provisioning Platforms (MSPPs)
EoS doesn’t support aggregation EoS is a port-based transport with no service multiplexing Ethernet switch added for aggregation
EoS bandwidth dictated by SONET Container Size EoS bandwidth available in only 50Mbps STS increments Other bandwidth rates waste SONET bandwidth
SONETMSPP
Eth
MSPPEthMSPP
50Mbps
SONET VCG40Mbps wasted
10Mbps EVC50Mbps
SONET VCG30Mbps wasted
20Mbps EVC50Mbps
SONET VCG30Mbps wasted
20Mbps EVC
150Mbps of SONET BW required for only 50Mbps of EVC BW
MSC
7Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
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May 18, 2011
COE over SONET on Fujitsu’s Packet Optical Networking Platforms (P-ONP)
COE supports aggregation Aggregates EVCs onto higher speed Ethernet port
COE aggregates EVCs onto same SONET VCG Can achieve up to 100% bandwidth utilization
COE over
SONET P-ONP
EthP-ONP
EthP-ONP
50Mbps20Mbps EVC
20Mbps EVC10Mbps EVC
More Service Revenue and Higher Margins using Existing Assets
MSC
8Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
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May 18, 2011
Cell Tower Backhaul Evolution From SONET to Ethernet using COE
FMO Step 1: Add P-ONP with COE over
SONET to increase BW efficiency
FMO Step 2: Begin Migration to Ethernet
over Fiber (EoF) network. Existing services unaffected
Cel
l tow
er
MS
C
2G/3G 3G/LTE
PMO: SONET
T1s
MSPP at MSC
TDM
SONET
MSPP at Cell Site
Ethernet
EoS
SONET
Ethernet
COETDM
2G/3G 3G/LTE
T1s
P-ONP at MSC
P-ONP at Cell Site
Each Ethernet service requires a separate
SONET VCG EoF
Ethernet
COETDM
2G/3G 3G/LTE
T1s
SONET
P-ONP at MSC
P-ONP at Cell Site
COE muxes Ethernet services onto same
SONET VCG
Connection-Oriented Ethernet: A No-Nonsense Overview9Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
Fujitsu’s Packet Optical Networking Platforms facilitate CTBH network evolution while supporting multi-generation 2G/3G/LTE services
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Connection-Oriented Ethernet for Efficient, Packet-centric Cell Tower Backhaul
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May 18, 2011
Why COE for Cell Tower Backhaul ?
Makes Ethernet more like SONET which dominates CTBH networks today Network operations procedures similar to SONET Smoother transition for SONET-trained operations personnel
Highly scalable packet-centric technology Meets large scale CTBH connectivity and aggregation requirements COE is supported over any Layer 1 networking technology
Key Attributes Guaranteed Bandwidth (CIR) Consistent QoS Performance (Bounded Packet Delay, Packet Loss) High Security
11Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
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May 18, 2011
Connection-Oriented Ethernet (COE) FAQs
What is COE ? Industry term defining a point-to-point implementation of Carrier Ethernet
• Tracked by industry analysts for past few years COE technologies have been around for about 10 years
What’s the difference between COE and Carrier Ethernet ? COE is a high performance implementation of Carrier Ethernet
Are COE implementations based on industry standards ? Implementations utilize MEF, IEEE, IETF and ITU-T standards
• Plus value added enhancements where standards are nascent
What technologies can be used to implement COE? COE can be implemented using Ethernet or MPLS technologies
Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications 12
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May 18, 2011
COE designed to mimic SONET
Makes Ethernet point-to-point Just like SONET circuits
Ethernet Virtual Connections (EVCs) are provisioned across the network Just like SONET circuits Eliminates Ethernet control plane and many layer 2 control protocols
Provide 50ms EVC path protection / restoration Just like SONET linear path protection
Provide EVC fault management at demarcation points Just like DS1 circuit loopbacks
Provides guaranteed bandwidth throughout the network Just like SONET circuits
13Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
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May 18, 2011
Different approaches to COETechnology selection depends on the problem you’re trying to solve
MPLS-centric COE
Static PW T-MPLS
Eth EthMPLS LSPPW PW
• Ethernet• MPLS Pseudowire (PW)• MPLS Label Switched Path (LSP)
• Ethernet
Eth Eth
VLAN TagSwitchingPBT
Ethernet-centric COE
BMAC/BVID or C/SVID
PBB-TEMPLS-TP
Optimized for Multi-Service Transport Three OAM Layers Less optimal for Ethernet
service transport Standards Under Development
New standards being developed Augmenting MPLS standards
Optimized for Ethernet Service Transport One OAM Layer Less optimal for multi-service
transport Standardized Now
Reuses existing Carrier Ethernet standards, e.g., Service OAM
Ethernet TagSwitching
Connection-Oriented Ethernet: A No-Nonsense OverviewPacket Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications 14
Ethernet-centric COE optimized for Ethernet TransportMPLS-centric COE optimized for Multi-service Transport
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May 18, 2011
COE Ecosystem6 Attributes of Connection-Oriented Ethernet
Standardized Services•MEF E-Line and E-Access
Security•No Bridging: MAC DoS attacks mitigated•Completely Layer 2: No IP vulnerabilities
Deterministic QoS•Lowest Packet Latency and Loss•Bandwidth Resource Reservation
Reliability / Availability• 50ms EVC/OVC Protection•UNI and ENNI Protection
Ethernet OAM• Link Fault Management• EVC/OVC Fault Management•Performance Measurements
Scalability•Layer 2 Aggregation•Statistical Multiplexing
15Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
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May 18, 2011 16
High Availability Ethernet for Cell Tower Backhaul Multi-level Fault Tolerance with Fujitsu Packet Optical Networking
Port protection via Link AggregationLink Aggregation across cards
Card protection (active/standby or active/active)
Protected Power, Switch Fabric, etc.
50ms Network Protection via G.8031
Working / Protect EMS/NMS Instances
In-Service System Software Upgrades
Port
Card
Network Element
Management
NE Software
Network
Service
High Availability CTBH Service
Ethernet Service OAM via 802.1ag and Y.1731
Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications
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May 18, 2011
COE vs. Ethernet over SONET for LTE Backhaul
Key differences summaryAttribute COE on P-ONP EoS on MSPP
High Security
Bounded QoS (latency, loss)
50 ms protection/restoration
Ethernet Service OAM No
Guaranteed Bandwidth (CIR) through resource reservation
(CIR in 1Mbps increments)
(CIR in SONET 50Mbps
increments)
Oversubscribed Bandwidth (EIR) (EIR in 1Mbps increments) No
Service Multiplexing and Aggregation No
Efficient Bandwidth Utilization No
MEF-compliant Services EPL, EVPL, Access EPL, Access EVPL EPL
Ethernet Topologies P2P, P2MP (hub & spoke) P2P
Packet Optical Transport for LTE. © Copyright 2011 Fujitsu Network Communications 17