Orange_US Domain (revised with notes)
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Transcript of Orange_US Domain (revised with notes)
On Evolving to Dynamic Ethernet Lightpaths
across Optical Private LinesPresenter: Roderick Dottin / Orange
Date: October 6, 2015
interne Orange2
Drivers
Meeting the ever growing performance demands of value-added services with smaller and smaller margins. How can this trend be reversed?
Transparency – Legacy multi-vendor GFP encapsulated Gigabit Ethernet over VC-4-16c SDH LinksEnd-to end Performance – Carrier OA&M at OTN-encapsulated boundaries and MEF 2.0 Ethernet SOAM across Operator DomainScale – Explore Network Operator / Orange Interworking at OTUk Interface in order to extend capacity/reach of Backbone Network
interne Orange3
Hubbing Network EoSDH
8 x 1GbE
US Domain – Transparent Ethernet over SDH (EoSDH) Transport
VCG-1 (3 x AU3s); VCG-2 (7 x AU4s); …
8 x 1GbE
VCG-1 (3 x AU3s); VCG-2 (7 x AU4s); …
100 bT
1 GbE
100 bT
1 GbE
• Port-based VCAT mapping at international multi-vendor GFP encapsulation nodes
• Bundle VCG constituents of various sizes into AU4-16c paths across broadleaf network
AU4-16c AU4-16c
These virtual paths can evolve into dynamic scalable lightpaths within the core optical network
Bundling restricts max. tolerable differential VCG delay to less 108ms (before generating Ethernet framing errors)
Above approach still allows for dynamic path restoration and optical bypass capability
Ability to scale OTN client interfaces to 100G/400G and beyond
interne Orange4
Day 1 Solution – GFP Encapsulated Gigabit Ethernet over SDH
Manasquan
Tuckerton
NY/XFT6
___ South route___ North route
Miami/XFT2
TAT-14 Sud
FLAG Atlantic-1
AM-IICore Router
US Domain EoSDH
SDH Gateway
PHL/XFT1LOS OSOS
NY/XFT9
n x STM-64
n x STM-16 OJUS
Gemini / CBUS
Island Park, NY
SONET Gateway
• Downgrading TAT-14 backhaul to leased capacity will free-up ROADMs
• To scale STM-64 links beyond Day1 capacity, redeploy ROADMs within US backbone
Japan / US
6 x GbE
**:
Orange presentation
Reference Model – Infrastructure as a Service Next Gen Stack…
–
• ITSa = SDH / Sonetb = Lambdasc = Ethernet Transport
• IP services• ATM - QoS
Intelligent Optical Layer
ATM
a
b
Valu
e Ad
ded
Serv
ices
Layering Services
• Next Gen Services
• Voice Services Hubbing,
Mobile
ETHERNET
SDH / SONET OTN
VOICE INTERNET
Extracted from Ref [1], Slide 7
Orange presentation
International Access Ethernet Private Line Rollout
Carrier Pop-to-CHLS
Service Provider Pop-to-CHLS
Orange Backhaul
LL Orange Backhaul
Carrier Pop-to-CHLS
Service Provider Pop-to-CHLS
Orange Backhaul
LLOrange Backhaul
Submarine Cable
Submarine Cable
Submarine Cable
Submarine Cable
Extracted from Ref [1], Slide 9
Orange presentation
Operator B DomainOperator A Domain
Carrier OA&M at Core and Access Network Boundaries
LF
LF
LF
RF
RF
ITU-T G.709 / Y.1331(802.3ba Adopted
Baseline)
MEF 30 (Fault Mgmt per IEEE 802.3ag / Y.1731)
MAC Status Defects / Link
Fault Indication
MAC Status Defects / Remote Fault Indication
OTN BackboneRF
LF
E-NNIE-NNI
UNI UNI
Service ProviderSubscriber Subscriber
Subscriber DomainService Provider
Domain
LL Operator A LL Operator BE-NNIE-NNI E-NNI
X
E-NNI
Carrier 2.0 Ethernet SOAM support over OTN – Ref [2], [3]
interne Orange8
Handling Scale in US Domain – Leased Optical Private Network
Manasquan
Tuckerton
NY / XFT6
___ South route___ North route
Miami / XFT2
TAT-14 Sud
FLAG Atlantic-1
AM-IICore Router
US Domain EoSDH
SDH Gateway
PHL/XFT1LOS OSOS
NY / XFT9
n x STM-64
n x STM-16 OJUS
Gemini / CBUS
Island Park, NY
SONET Gateway
Japan / US
6 x GbE
**:
WAS (ASHVA)
BMM
BMM
BMM
OTUk NNI
OTUk NNI
OTUn NNI
ODUk
• Network Operator / Orange Interworking at OTUk NNI
• Deliver 2.5G, 10G Services as ODUk payloads
Orange presentation
References
Thanks !