OPEN GPON OLTAn Open Disaggregated Broadband Access Device
© 2016 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.
Agenda▪ Quick review of basic Principles▪ Updates from the last review of the spec▪ Example
© 2016 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.4
Legacy GPON Access Architecture(Gigabit Passive Optical Network)
GPONOLTEthernet
Aggregation
RGPC
ONT
RGPC
ONT
PON Splitter
.
.
.
STB w DVR
Broadband Network Gateway
GPON Optical LineTerminator (OLT)
© 2016 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.5
Disaggregating an OLT
Standard HVRouter
Standard HVServer
PONOLTMACs
Standard HVSwitch
Standard HVServerStandard HVServer
Standard HVPON MAC Card
PONOLTMACs
Standard HVEthernet
Everything but the MACs can be virtualized and moved to NFVI using standard:• Fabric Switches• Storage• Servers
Everything but the MACs can be virtualized and moved to NFVI using standard:• Fabric Switches• Storage• Servers
NFV OLT
StandardEquipment
We need to create a new standard high volume (HV) MAC
We need to create a new standard high volume (HV) MAC
© 2016 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.6
Minimize Stranded Hardware Complexity
OnboardL2
Switch
Or NP
PON
PON OLTMACs
PON
10G
EPON OLTMACs SoC
PON OLTMACs SoC
LocalHost CPU
Data & ControlData
Ctrl
Traditional OLT Line CardTraditional OLT Line Card GPON OLT IO BladeGPON OLT IO BladeDDRDDRDDRDDRDDRDDRDDRDDR
DDRDDR
DDRDDRDDRDDRDDRDDRDDRDDRXX
X X X
X X X
Data
GPON I/O Blade doesn’t require dedicated management port, external host CPU or
associated memory.
The result is higher PHY density with low power, lower cost and significantly lower TCO
Remote In-band managementreplaces local host SW
© 2016 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.7
Open GPON Software Stack
OMCI StackOLT API
SoC FW & HW Drivers
Proprietary OLT to EthernetAbstraction and Interworking Function
OpenFlow Agent
OpenFlow Controller
Applications
Configuration Controller
NETCONF/ YANG
SDN controller, applications,and agents run on standard
servers
HW driversruns on SOC
GPON OLT IO Blade
DC Server
PONOLTMACs
OpenFlow
NETCONF Agent
Central Office Re-architected as a Datacenter
Open Software Announcement Next Week at Open Network Summit
© 2016 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.8
Open GPON OLT IO Blade
19”
I/O blade fits into the CORD POD, just like a server.
Connects to 1 or 2 ToRs
48 GPON OLT PortsCarrying 120G DS / 60G US
48 GPON OLT PortsCarrying 120G DS / 60G US
Single BladeSingle Blade
Refactored for NFV:Big, power hungry,
proprietary OLT chassis now embodied in 1-2 pizza
boxes
CORDPOD
In-band managementIn-band management
TORSwitch
GPON Ports Ethernet Ports
© 2016 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.
Updates to Spec from Last Review
▪ Genericized dimensions for 1RU 19” device.▪ Provided generalized environmental requirements rather than the specifics for a particular design.
▪ Small changes to license language
© 2016 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.
Example
Thank You!