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1Broadcom Proprietary and Confidential. © 2012 Broadcom Corporation. All rights reserved.

CONNECTED HOME

Focus on Networked Power Save and Management

Stephen PalmSenior Technical Director

Broadcom Corporation


In-Home Video StreamingBackground & Context


VidiPath: Delivering Subscription TV to all devices

Service

Providers


VidiPath (CVP-2) Contributors

Development led by service providers in conjunction with CE manufacturers and technology suppliers.


The FCC and CVP-2

OMB CIRCULAR NO. A-119 Revised (February 10, 1998) Federal Participation in the Development and Use of Voluntary

Consensus Standards

http://www.whitehouse.gov/omb/circulars_a119

Voluntary consensus standards bodies" are domestic or international organizations which plan, develop, establish, or coordinate voluntary consensus standards using agreed-upon procedures.

The FCC has determined that DLNA produces open industry standards

CVP-2 is believed to comply with certain FCC requirements that come into effect on June 2, 2014. (FCC Memorandum Opinion and Order DA 12-1910 http://transition.fcc.gov/Daily_Releases/Daily_Business/2012/db1128/DA-12-1910A1.pdf

http://www.whitehouse.gov/omb/circulars_a119

http://transition.fcc.gov/Daily_Releases/Daily_Business/2012/db1128/DA-12-1910A1.pdf


Subscription TV Yesterday

Service Provider Devices Retail Devices

without Subscription TVRetail Devices

with Subscription TVOne STB per TV

Conditional

Access

Service

Provider

s


Subscription TV with VidiPath

Service

Provider

Gateway

The full subscription TV experience on

consumer electronics


Requirements of VidiPath

Link Protection

Consumer QoS

H.264

Remote UI (RUI)

Diagnostics

Energy Savings


Networked Devices Power Save: Conserving Energy

Entering Power

Save Mode

I need your services

Information to Proxy


S0: “ON”

S1: “Active Standby”

S2: “Low Latency Standby”

S3: “Deep Standby”

Set Top Box System on Chip Power States

PowerFeatures Exit latency

N/A

N/A

NetworkConnectivity

Wake-ON-…

Un

der

SW

Co

ntr

ol

Un

der

HW

Co

ntr

ol


Whole Home Power Management

The entire system is in a low power

state until a consumer action is

initiatedWiFi Tablet

S0

S1S2

S3

S0

S1S2

S3

S0

S1S2

S3

A Gateway only turns on those functions

that are needed when they are needed


Network Challenges / Opportunities

Link Connectivity Technology Power states

Modular Functionality

Methods of waking up interfaces and functions

Discovering device that are “asleep”

Power optimizing hybrid links

MoCA 2.0, HomePlug AV2.0

DLNA/UPnP Low Power Service Subscription

DLNA/UPnP Low Power Wake On

DLNA/UPnP Low Power Proxy

IEEE 1905.1


Link Connectivity 2.0 Power States


Deployed Home Networking Technologies

Energy Efficient Ethernet (EEE) is a part of the whole Home Networking solution Most homes do not have Ethernet (CAT-5/6) between rooms

Even if present, is not always in convenient location

So most service providers end up deploying “No New Wires” networking technologies:

HomePlugAV / Green PHY over electrical mains

MoCA over TV/Cable/Satellite coaxial cabling

Wi-Fi – no wires


MoCA 2.0 Power States

M0 (Active):

Normal Operating Mode: Full Functionality

M1 (Low Power Idle):

Lower power than M0

RX Only Mode: Node stays “ranged” on the network, but does not transmit data packets

Can be returned to M0 via Wake on MoCA (WoM) packet

M2 (Standby):

Lower power than M1

Monitors Beacons every 10ms – 100ms: Minimal active state, but has a relatively fast path for readmission

Can be returned to M0 via Wake on MoCA (WoM) packet

M3 (Sleep):

Lower power than M2

Issues Heartbeat every 1 – 255 seconds: Inactive state, but Network Controller reserves the Sleeping Node’s place on the network

A MoCA 1.x node in MoCA network operates in Power State M0 only

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DLNA Energy Management


Network Power Signaling Assumptions

Device Services and Interfaces are modular

The entire set of functional blocks inside a Physical Device will not simply be in "sleep" or "awake". Some may be "awake" while some may be "asleep".

Internal power controller makes all decisions about how to manage its resources within a physical device.

An external requesting device cannot really know the details inside of another physical device.

Multiple clients will have unique requests

Even when power saving, network communication must be maintained.

May have delayed/discard characteristics in some power states.

Devices are meaningless without network connectivity

Home network connectivity can never really be totally asleep...


DLNA / UPnP Network Power Signaling

DLNA Low Power / UPnP EnergyManagment Service

http://upnp.org/specs/lp/energymanagement1/

Service Subscription

Allows clients to indicate which resources are needed from a server

Server can make informed choices on how to reduce its power while limiting disruption to the clients that depend on it.

WakeOnPatterns

“Wake On” does not really have standards.

Allows a device to advertise on the network this specifics of signaling (ie, Wake On Patterns) to change its network interface state.

Proxied Network Interface Information –

Allows a server device to be immediately discoverable by client devices even if the server devices network interfaces are currently non-active.



Network Interface Mode of Operation

IP-up: IP interface is fully operational. UPnP services may be available

IP-up-Periodic: IP interface will be periodically unavailable for durations of 2 second or less when the physical interface is placed in a low power mode of operation

IP-down-no-Wake: IP interface is down

IP-down-with-WakeOn: IP interface is down. IP interface can be woken externally

IP-down-with-WakeAuto: IP interface is down in doze state for duration of more than 2 seconds. IP interface will be woken internally only

IP-down-with-WakeOnAuto: IP interface is down in doze state for duration of more than 2 seconds. IP interface will be woken internally or can be woken externally

20Broadcom Proprietary and Confidential. © 2012 Broadcom Corporation. All rights reserved. Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved.

IEEE 1905 Hybrid Networking

21Broadcom Proprietary and Confidential. © 2012 Broadcom Corporation. All rights reserved. 21

No single connectivity technology has 100% Coverage in every region in every home

As of 2008, only 11% of homes have CAT5

Part of a home may be on the other PLC phase reducing performance

Wi-Fi coverage is dependent on construction and density

Seamlessly add multiple connectivity

technologies and the picture changes

21


The Future | Hybrid Home Networking

IEEE 1905.1 defines an abstraction layer that provides a common interface for the most compelling and deployed home networking technologies in the market.

A broad base of industry-leading chipmakers, equipment manufacturers and service providers are collaborating to bring IEEE 1905.1 to fruition.

Great for the industry: Enhances user experience and enables next generation connected services for consumers.

ETHERNET

1905.1 Hybrid Technology

MAC/PHY

802.11

MAC/PHY

1901

MAC/PHY

802.3

MAC/PHY

MoCA


IEEE 1905.1 Key Features

Topology Discovery

Diagnostics

Enabler for enhanced path selection

Enabler for enhanced power management (by optimizing network power usage across different technologies) Use the most efficient interface

Turn off unnecessary interfaces

Turn on interfaces when needed


Wireless

coverage area

HomePlugAV2

MoCA

Power outlet

Coax drop

Wireless node

Slide 24

1905 Solution Using MoCA+ HomePlug + Wi-Fi

“Connected everywhere

and always connected”


IEEE 1905.1 Standard

• http://grouper.ieee.org/groups/1905/1/

• http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arn

umber=6502164

Timeline:

Dec 2010 1st WG Meeting

Dec 2011 Draft 1.0 Approved by the WG

Jun 2012 Sponsor Ballot Passed

Mar 2013 IEEE Standards board approval.IEEE 1905.1 Standard.

Apr 2013 1905.1 included into DLNA Diagnostics

Fall 2014 nVoy Certification

http://grouper.ieee.org/groups/1905/1/

http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6502164


1905.1a features

Extensibility: Other network technologies are supported by an extensible mechanism using an IEEE OUI and XML formatted document.

Higher Layer Reporting

Interface Power Management

L2 Neighbor Device Discovery Reporting


Discovery of interfaces in Power Save

Report an interface in Toplogy even if off/saving power

Topology response message Addition

Power off interface TLVs (see Table 6-38)

If a 1905 device that implements the Power off interface TLV has an interface that is in the state of PWR_OFF, then the 1905 management entity shall include the interface in the Power off interface TLV.


Interface Power Change Request

Allows changing the state of one interface through another interface

Interface power change information type TLV (see Table 6-39).

Requested power state 0x00 – PWR_OFF

0x01 – PWR_ON

0x02 – PWR_SAVE

Interface power change Status TLV (see Table 6-40).

Interface power change status 0x00 – request completed

0x01 – no change made

0x02 – alternative change made


IEEE 1905.1a Amendment

http://grouper.ieee.org/groups/1905/1/amendment_a/

Timeline:

Feb 2014 1st WG Meeting

Jul 2014 Draft 1.0 Approved by the WG

Aug 2014 Sponsor Ballot Passed

Sep 2014 Final Technical Draft recirculated

Nov 2014 IEEE Standards board approval.IEEE 1905.1a Standard Amendment.

http://grouper.ieee.org/groups/1905/1/amendment_a/


Open Standards for AV Network Power savings

MoCA 2.0, HomePlug AV2, Wi-Fi

DLNA Low Power / UPnP EnergyManagmentService http://upnp.org/specs/lp/energymanagement1/

IEEE 1905.1/ IEEE 1905.1a http://grouper.ieee.org/groups/1905/1/


http://grouper.ieee.org/groups/1905/1/


Thank You

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