In Broadcast - October 2014 - 34

I N T E R N A T I O N A L

WWW.INBROADCAST.COM | ISSUE 36 - OCTOBER 2014

N E W S

InMEDIA

Virtualised Video Infrastructure:
Maximising Versatility For Multiscreen
Harmonic VOS architecture aims to provide broadcasters
with a path toward the virtualisation of video production and delivery...
Opportunities

content repurposing for catch-up
TV has followed the traditional
workflow associated with live
playout, which isn't efficient for
multiscreen services. Multiscreen
content often requires extensive
repurposing to extract the full
functional requirements across all
value; however, care is needed
video services, making it the ideal
concerning rights managements.
method for multiscreen production
This often requires regional slate
and delivery.
insertion where broadcast rights
are not granted within region or on
Benefits of Virtualisation
the specific delivery media. In the
Virtualising the video infrastructure
past this issue has often restricted
offers broadcasters increased
the scope of catch-up and VOD
business agility and scalability,
content due to the complex nature
of the processing
and the necessary
scheduling. A similar
situation exists with
targeting advertising,
where it is frequently
necessary
to
re g i o n a l i s e o r
s e l e c t f ro m
a given ad
carousel.
Broadcasters
need
to
be able to
Harmonic VOS virtualisable platform that unifies the entire media processing chain
quickly turn
a one-hour
which are essential for multiscreen
with a unified format for delivering
TV programme into a five-minute
production and delivery. In addition,
video content to connected devices.
clip for the Web.
VVI also brings significant CAPEX
VVI provides broadcasters with
VVI consolidates workflow steps,
and OPEX savings to broadcasters
the flexibility to be agile in terms
enabling them to offer catch-up
over the long term via the use of
of supporting future streaming
TV on any screen and improve
COTS blade servers in the physical
standards, device types, etc.
profitability.
infrastructure.
Another opportunity VVI provides
While traditional headends are
broadcasters is the ability to
Redefining Delivery
perfectly suited to address the
Moving to a virtualised approach
dynamically schedule programming.
requirements of linear scheduled
for broadcast and multiscreen
Effective management of multiple
playout, their fixed functionality
production and delivery is a big
transport streams is all about
makes it challenging for
transition. As broadcasters look
dynamic resource allocation.
broadcasters to repackage and
to gain the versatility required
Prior to VVI, one of the big
rebrand an asset for multiple device
issues, particularly for multiscreen
for the multiscreen environment,
types. Extensive re-provisioning is
services, was figuring out a way
virtualising compression
often required in order to support
to harmonise the packaging and
functionality is likely to be the first
additional profiles or devices,
delivery process, which involved
step. It offers a more dynamic
especially for VOD applications.
content from a variety of sources.
balance in terms of resource
VVI resolves this issue, speeding
Repackaging content requires a lot
allocation and codec software
up service deployments.
of processing in terms of branding,
that ironically is likely to outlive the
VVI also provides broadcasters
editing, and formatting. Thus, while
underlying hardware upon which
with a more scalable architecture.
all video applications will benefit
it is deployed.
With VVI, adding storage or server
from virtualisation, the biggest gains
Harmonic provides broadcasters
capacity is simple, unlike the major
will be for broadcasters with both
with a flexible, affordable path
forklift upgrade that would be
broadcast and multiscreen offerings,
toward virtualisation with VOS, the
required with a traditional broadcast
where a flexible deployment can
industry's only solution that brings
infrastructure.
yield significant savings in terms of
together ingest, compression,
By enabling broadcasters
dynamic resource allocation and
graphics and branding, packaging
to seamlessly scale up their
harmonised inventory and support.
and delivery on a single, virtualised
infrastructure, VVI allows them
In particular, VVI presents
software-based platform, redefining
to support multiscreen without
broadcasters with an opportunity
the future of video production and
compromising the availability of
to rapidly repurpose content for
delivery for multiscreen services.
their existing broadcast services.
catch-up applications. Typically,

By Ian Trow
Senior Director of Emerging
Technology and Strategy, Harmonic

I

34

nternational market research
fi rm Parks Associates recently
reported that a growing number
of consumers are using their
smartphone and tablet devices to
watch TV and use video apps.
In fact, 44% of tablet owners
and 32% of smartphone users
have increased their video
consumption on these mobile
platforms compared to 12 months
ago. Given the rising consumer
demand for high-quality video
content on every screen, today's
broadcasters must be equipped to
produce and deliver content for the
multiscreen environment.
Unfortunately, the current
video infrastructure is based
on bespoke hardware that
lacks versatility, elasticity, and
ease of provisioning, thereby
limiting broadcasters' ability
to adapt to the changing
business needs of multiscreen.
By embracing virtualised video
infrastructure (VVI), which unifies
previously discrete hardwarebased functions for broadcast and
multiscreen, broadcasters can
address current bespoke hardware
limitations concerning dynamic
resource allocation, scalability, and
flexibility. This article examines the
benefits and opportunities provided
by a virtualised approach to video
production and delivery.

Virtualised Video
Infrastructure
The purpose of VVI is to abstract
broadcast functionality from
the underlying hardware. With
virtualisation, broadcasters can
host functionality, such as media
processing, from a single software
platform across a number of virtual
machines. More impor tantly,
functions can be dynamically
assigned rather than permanently
assigned, as is this case with
bespoke hardware.
Unlike the limited capabilities
of fixed broadcast installations
based on bespoke broadcast
hardware, VVI enable broadcasters
to efficiently address fluctuating
demand based on capacity and

Migrating to V VI opens up
numerous oppor tunities for
broadcasters. First and foremost
is the opportunity to adapt to new
technology. We can all agree it
is hard to predict what is going
to happen in the multiscreen
environment. For example, there
are currently several packaging
and adaptive bitrate streaming
mechanisms (eg: Apple HLS, Adobe
HDS, Microsoft Smooth Streaming)
used, in addition to MPEG-DASH,
a next-generation protocol that
aims to provide broadcasters


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In Broadcast - October 2014

Table of Contents for the Digital Edition of In Broadcast - October 2014

In Broadcast - October 2014 - Intro
In Broadcast - October 2014 - Cover1
In Broadcast - October 2014 - Cover2
In Broadcast - October 2014 - 3
In Broadcast - October 2014 - 4
In Broadcast - October 2014 - 5
In Broadcast - October 2014 - 6
In Broadcast - October 2014 - 7
In Broadcast - October 2014 - 8
In Broadcast - October 2014 - 9
In Broadcast - October 2014 - 10
In Broadcast - October 2014 - 11
In Broadcast - October 2014 - 12
In Broadcast - October 2014 - 13
In Broadcast - October 2014 - 14
In Broadcast - October 2014 - 15
In Broadcast - October 2014 - 16
In Broadcast - October 2014 - 17
In Broadcast - October 2014 - 18
In Broadcast - October 2014 - 19
In Broadcast - October 2014 - 20
In Broadcast - October 2014 - 21
In Broadcast - October 2014 - 22
In Broadcast - October 2014 - 23
In Broadcast - October 2014 - 24
In Broadcast - October 2014 - 25
In Broadcast - October 2014 - 26
In Broadcast - October 2014 - 27
In Broadcast - October 2014 - 28
In Broadcast - October 2014 - 29
In Broadcast - October 2014 - 30
In Broadcast - October 2014 - 31
In Broadcast - October 2014 - 32
In Broadcast - October 2014 - 33
In Broadcast - October 2014 - 34
In Broadcast - October 2014 - 35
In Broadcast - October 2014 - 36
In Broadcast - October 2014 - 37
In Broadcast - October 2014 - 38
In Broadcast - October 2014 - 39
In Broadcast - October 2014 - 40
In Broadcast - October 2014 - 41
In Broadcast - October 2014 - 42
In Broadcast - October 2014 - 43
In Broadcast - October 2014 - 44
In Broadcast - October 2014 - 45
In Broadcast - October 2014 - 46
In Broadcast - October 2014 - 47
In Broadcast - October 2014 - 48
In Broadcast - October 2014 - 49
In Broadcast - October 2014 - 50
In Broadcast - October 2014 - 51
In Broadcast - October 2014 - 52
In Broadcast - October 2014 - 53
In Broadcast - October 2014 - 54
In Broadcast - October 2014 - 55
In Broadcast - October 2014 - 56
In Broadcast - October 2014 - 57
In Broadcast - October 2014 - 58
In Broadcast - October 2014 - 59
In Broadcast - October 2014 - 60
In Broadcast - October 2014 - 61
In Broadcast - October 2014 - 62
In Broadcast - October 2014 - 63
In Broadcast - October 2014 - 64
In Broadcast - October 2014 - 65
In Broadcast - October 2014 - 66
In Broadcast - October 2014 - 67
In Broadcast - October 2014 - 68
In Broadcast - October 2014 - 69
In Broadcast - October 2014 - 70
In Broadcast - October 2014 - 71
In Broadcast - October 2014 - 72
In Broadcast - October 2014 - 73
In Broadcast - October 2014 - 74
In Broadcast - October 2014 - 75
In Broadcast - October 2014 - 76
In Broadcast - October 2014 - 77
In Broadcast - October 2014 - 78
In Broadcast - October 2014 - 79
In Broadcast - October 2014 - 80
In Broadcast - October 2014 - 81
In Broadcast - October 2014 - 82
In Broadcast - October 2014 - 83
In Broadcast - October 2014 - 84
In Broadcast - October 2014 - 85
In Broadcast - October 2014 - 86
In Broadcast - October 2014 - S1
In Broadcast - October 2014 - S2
In Broadcast - October 2014 - S3
In Broadcast - October 2014 - S4
In Broadcast - October 2014 - S5
In Broadcast - October 2014 - S6
In Broadcast - October 2014 - S7
In Broadcast - October 2014 - S8
In Broadcast - October 2014 - S9
In Broadcast - October 2014 - S10
In Broadcast - October 2014 - S11
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_202101
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201803
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_cabsat2018
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201801
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201712
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201711
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201710
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOWNYexpo2017
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201709
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_inshowguide2017
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201708
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201707
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201705
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOW2017
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201704
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_cabsat2017
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201703
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201702
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201701
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_INREVIEW2016
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201612
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201611
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOWNYexpo
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_20110708_DEMO
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201610
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_inshowguide2016
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https://www.nxtbook.com/nxteu/lesommet/inbroadcast_CCW15expo
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