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!