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JUNIPER SUPPORT FOR TELEPRESENCEStudent Guide


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JUNIPERSUPPORTFORTELEPRESENCE

CourseSOTTELEPRESENCE JuniperNetworks,Inc. 2

NOTE:PleasenotethisStudentGuidehasbeendevelopedfromanaudionarration.Thereforeitwillhave

conversationalEnglish.Thepurposeofthistranscriptistohelpyoufollowtheonlinepresentationandmayrequire

referencetoit.

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2010 Juniper Networks, Inc. All rights reserved. | www.juniper.net | Proprietary and Confidential

JUNIPER SUPPORT FOR

TELEPRESENCE

Welcome to the Juniper Networks Juniper Support for Telepresence eLearning module.


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2010 Juniper Networks, Inc. All rights reserved. www.juniper.net| 3CONFIDENTIAL SOT-TELEPRESENCE

Throughout this module, you will find slides with valuable detailed information. You can stopany slide with the Pause button to study the details. You can also read the notes by using theNotes tab. You can click the Feedback link at anytime to submit suggestions or correctionsdirectly to the Juniper Networks eLearning team.


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LEARNING OBJECTIVES

In this course you will learn about Telepresence Market Overview

Baseline Juniper Networks Solutions

Introduction to Joint Solution with Polycom

Solution Target Architecture

Aftercompletingthiscourse,youllbeabletodiscuss:

Telepresence Market OverviewBaseline Juniper Networks SolutionsIntroduction to Joint Solution with Polycom



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Slide5


TELEPRESENCE: MARKET PERSPECTIVE DURING

THE ECONOMIC STORM

According to the Gartner report, telepresence will replace 2.1 million airline seats per year by 2012. Thisrepresents $3.5 billion being diverted from the airlines revenues to other sectors of economy.


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TELEPRESENCE MARKET FORECAST (ROOM

SYSTEMS)

As can be seen on this table, the number of installed base end points is expected to almost double everyyear for the next 3 years. Most of the growth is expected to take place in North America and Europe,followed by APAC regions. Note that this report from IDC covers only room-systems, which means thatactual number of HD endpoints and the associated growth with this network will be even higher.


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Slide8


TELEPRESENCE MARKET LIFECYCLE

Sales and profits are projected to double every year in

the next 3 years

By mapping the data from the revenue growth charts onto the typical product market lifecycle curve, itcan be seen that the present day represents a point just before the fastest growth in industry sales andprofits. This means that if Juniper wants to get a share of this revenue, it needs to come to the marketwith solutions for telepresence delivery in the very near future.

Juniper has tested and validated a number of telepresence scenarios in its Solution Engineering lab and

has recently allied with Polycom a leading vendor in the telepresence and video collaboration industryto maximize converged and intelligent network capabilities to deliver Telepresence and videoconferencing services with assured quality.


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Slide9


WHAT IS HD TELEPRESENCE?

So, what is telepresence and which components is it made of?

First of all, there are video-communication devices and infrastructure. This is the most visible componentof the solution. Progress and evolution of the TV and entertainment industry in the last 5 years haveresulted in High Definition TV (also called HD TV), large flat panel monitors, relatively inexpensive HDcameras and sophisticated surround sound audio. These elements combined provide sensory qualities

that make telepresence what it is today.

But high sensory fidelity is not possible without the means of delivery of all this information to anotherlocation in its integrity. This is why a high bandwidth or broadband high performance network is a second(hidden) component which is fundamental for telepresence service. Combined HD video and audio andhigh bandwidth network connections, create a new kind of experience. This experience has been named'telepresence.

By definition, Telepresence is a telecommunication session that provides the same (or close to the same)sensation as if the remote party was present in the same room, just across the table from the callingparty. The illusion is so strong that users of telepresence quickly 'forget' that the other party is located faraway from them as long as experience is not degraded or interrupted by factors like congested networkconnections or equipment glitches.


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GROWTH OF BANDWIDTH REQUIREMENTS

On this slide is represented the amount of bandwidth needed for transmission of the compressed videoby standard at 30 fps. There are 2 streams (one in each direction) for the typical point-to-point video-conference call. The CIF standard is at the lower end of the spectrum at 384kbps and HD formats mayconsume up to 6Mbps of network bandwidth.Future Quad-HD standard which is appealing for professional use in engineering and medical sectors willneed even more bandwidth for a point-to-point call.

Note: the first video-conferencing standard - CIF (or Common Intermediate Format) was designed to beeasily converted into PAL or NTSC TV standards by videoconferencing vendors and was proposed in theH.261 standard.


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Slide11


POLYCOM RECOMMENDATIONS FOR

BANDWIDTH CONSIDERATIONS

Notes:

Minimum reflects the minimum bandwidth to operate within each respective resolution

Recommended reflects the Polycom recommended bandwidth for optimal experience

For the room-systems and immersive suites the bandwidth needs are even higher because of the need toconnect multiple codec-units. Codec is a videoconferencing industry term and it means a single boxwhich connects one set of video and audio equipment to the network. Room system, such as thePolycom TPX series can consist of 2-3 codec units; while immersive system such as RPX may consist ofup to 4-5 Codecs. Each so called codec adds to the bandwidth needs of that location.

In addition, video-compression techniques such as MPEG2, MPEG4 or H.264 are known for producingbursty traffic because a static scene may be compressed to a trickle of the data while video with largedegree of motion or pattern graphics such as product demonstration or white board session can burst up-to the maximum recommended data rates in a short period of time.All said above means that in order to deliver high level of the user experience, telepresence deliverynetwork should readily provide large amounts of bandwidth and protect telepresence traffic from delayand jitter.


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ONLY WITH JUNIPER NETWORKS CAN HD

TELEPRESENCE RELY ON:

This is where Junipers products and solutions come into play. Unprecedented scalability, performanceand reliability and low total cost of ownership of Junipers products have become an industry icon for highavailability, high-capacity and high-performance networks.

Juniper platforms provide the highest data transfer speeds with quality of service enabled in the industryin all product families. All this comes in the package that is suitable for any size of the network; both from

the physical size and from the cost perspective as well, and can deliver the lowest possible packettransmission latency and jitter for HD telepresence applications.

High performance accounting and service verification features in JUNOS permit service delivery validationfor any interface. This granular data can be automatically exported by the Juniper routers and switches tothe centralized billing applications. Hardware assisted SLA monitoring features can help Service Providersto monitor telepresence service in real time. Standard based SNMP interfaces in JUNOS provide seamlessand simple integration with installed Performance Management OSS systems.

Years of commitment to the open standards and open architecture of JUNOS allows Juniper to enter intonew partnerships with point solutions vendors who are capable of bringing new valuable features on topof JUNOS platform. Video monitoring is one of such areas where partnerships with Third Parties will yieldnew products in the near future.

All the above mentioned features and functionality of Juniper products create a unique solution that canserve as an ideal infrastructure for successful delivery of HD telepresence at the highest cost efficiencyand with lowest operational difficulties. Also, proven and well respected Juniper products provide thehighest level of agility and flexibility whether it comes to new service creation, flexible service delivery orfuture network upgrades as telepresence service adoption levels increase.


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SCALABLE BANDWIDTH FOR HD TELEPRESENCE

The HD telepresence application from Polycom requires from 3 to 6Mbps of network bandwidth bi-directionally for each session, and some organizations serve more than 100 simultaneous telepresencesessions at a time. High motion interactive telepresence sessions rely on quick and reliable trafficdelivery and are not tolerant of packet loss which results from oversubscribed traffic classes or networkbuffer overflows. Telepresence is a bandwidth hungry application and its quality is directly related toability of the network to scale.

Telepresence vendors recommend the following network characteristics for normal service operation:

Packet loss: 0.1-0.05%One way transit delay:


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PACKET-BASED NETWORK RESILIENCY WITH

CONNECTION-ORIENTED NETWORK QUALITY

Transit latency is also decreased with traffic engineering that is enabled with MPLS technology, whichprovides connection-oriented network quality on the packet-based shared infrastructure.

Juniper maintains the broadest portfolio of the MPLS and VPN technologies on the market today.Features available in Junipers products permit rapid service restoration during outages, employ trafficengineering for optimal resource utilization on converged networks, and provide segmentation for

services deployed on the shared network infrastructure.

MPLS multipoint capabilities open broader opportunities for broadcasted point-to-multipoint telepresencesessions while providing the same benefits as for point-to-point sessions described earlier.


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TELEPRESENCE EQUIPMENT

Endpoint

HD Camera, positional microphone

HD Screen, surround audio speakers

User interface device

Multi-point Control Unit / MCU

Video-conferencing bridge

Connects two or more users in one call

Control System(s)

Endpoint registration, directory, system

configuration, session recording, monitoring,

reporting,

This slide describes telepresence equipment.

Endpoint this is a telepresence terminal device. It consist of one or more video-monitors, cameras andmicrophone arrays and speakers. Immersive units might include projection screens and furniture as wellas hidden arrays of microphones and surround sound audio. The endpoint provides the means for visualand audio communications and provides control interface to the users.

MCU this is the Multi-point Control Unit and consists of several media processing cards with networkinterfaces. It creates video-bridges on which participants can dial-in. The MCU accepts incoming point-to-point calls, multiplexes between them and sends the resulting processed and formatted media streamsto each participant of the conference. Often, it may dynamically change the video depending on who istalking at the moment by bringing the feed from the active location to the foreground. The resulting pointto multi-point call is in fact a collection of point-to-point calls to and from the MCU, which puts additionalbandwidth requirements to the site at which MCU is located.

Control System(s) this is comprised of various servers and appliances which are necessary for callsetup (these functions include access management, directory services, different media gateways).Additional functions may include endpoint control and asset management system, scheduling system,media recording and streaming, unified communication and e-mail integration servers, instantmessaging, etc. Finally, control systems might include policy-management systems such as SRC.


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BASELINE TELEPRESENCE DELIVERY

QoS in routers and switches

Leased lines, IPSec, or SSL

L3 VPN, VPLS, MPLS TE

- validated

- validated

The first example in Junipers telepresence solution is called 'The Baseline Telepresence Delivery'.

Telepresence endpoints are assigned an IP address from the distinct address pool which is reserved forthe telepresence endpoints. Endpoints are manually and statically provisioned into separate VLANs; thispart is very similar to VoIP deployments.

Pre-defined classifiers in routers honor original DiffServe Code Point (DSCP) markings which areconfigured in the endpoint. End-to-end QoS is recommended on all nodes which carry telepresence (TP)traffic, otherwise it will be delivered as Best Effort (BE) through the congested nodes.

This is a simple scenario, but it has its challenges:

It does not support PC-based video sessions which originate from user or data-only VLANs. It Relies on manual and static provisioning of the TP endpoints into VLANs or manual configuration ofstatic mappings in DHCP pools. The operator of the service must maintain filters in all edge routers, which is also done manually.

All of this makes usability of this solution limited to a single organization or administration domain.Juniper has validated and defined recommendations for router configuration of end-to-end QoS, andvalidated configurations for WAN technologies which include L3 VPN, VPLS and MPLS TE.


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ADDING COMPRESSION

Compress application (non-telepresence) traffic

Free up the WAN bandwidth for telepresence applications

This case is an incremental improvement to the baseline scenario. Here, the WX Series device has beenadded to allow compression of non-telepresence traffic. Such compression may relieve the WAN linksfrom congestion and hence, provide telepresence with more bandwidth.A bypass exclusion filter, either in the routers or on WX, is necessary in order to make sure thattelepresence traffic does not go through the compression engine.

Omission to do so would result in increases of traffic propagation delays and jitter while producing norelief for the WAN bandwidth use because TP traffic is already compressed by the media Codecs andfurther compression does not produce any gain.


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ADDING AN ALG

Dynamically identify and prioritize telepresence traffic using SSGALG (H.323 or SIP)

Direct (point-to-point)

Via MCU (point-to-point or point-to-multipoint)

Larger deployments of telepresence demand more Opex savvy install-and-forget architecture.

Juniper has ALG (Application Layer Gateway) functionality in its security products so telepresenceapplications can be identified automatically and the corresponding traffic be processed with a dedicatedpolicy in the SSG Series devices or SRX Series devices.

Some actions for such policy might be:

Ingress MF classification and QoS marking Egress prioritization Bandwidth throttling Traffic accounting, etc.

Another potential use of this method is as workaround for NAT traversal issue. In fact, the presence ofNAT in the path between telepresence devices prevents them from communicating with each other. Aspecial configuration such as MIP or PIP in the security gateway can solve this, but manual configurationis tedious. The automatic ALG based policy can solve this issue.

Juniper has validated configurations and documented results for point-to-point and point-to-multipoint callcases. This approach works well in the case of point-to-point calls for both SIP and H.323 protocols.


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Slide19


POLYCOM IMMERSIVE TELEPRESENCE VALUE

Polycom is a leading vendor in the voice and video conferencing industry. But apart from that, there is anumber of facts that make Polycom the best partner for the joint solution.

Polycom provides a range of products which deliver the most realistic and productive meeting experiencein the industry.Their products are superb when it comes to the quality of user experience and ease of use, and this fact

reflects on their competitive rating and market share.

Polycom matches Junipers position when it comes to Total Cost of Ownership. Products are designed tohave a small footprint with regards to space, power and bandwidth requirements. Flexible and openarchitecture makes these products easy to integrate with.

The entire range of solutions is deployable as a managed or hosted service which matches our Junipersgoals as well in this space.

Polycom gives the greatest investment protection by adhering to the open standards, minimizing thenumber of hidden components like transcoders and converters in their solutions. They beat any othervendor on the market when it comes to interoperability and simplicity of deployment.


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COLLABORATION SOLUTIONS FROM POLYCOM

Polycom collaboration products can be divided in three categories: Telepresence products, Infrastructure and

Applications and Voice products.


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POLYCOM SOLUTION COMPONENTS

This slide shows all components of existing telepresence solutions from Polycom from the applicationpoint of view.

The endpoints are of various sorts - executive (desktop variant), conference room and personal and canbe managed and monitored via CMA. In the case of H.323 protocol being used, CMA acts as agatekeeper. CMA monitors endpoint availability with PINGS, it uses an HTTP interface to collect reporting,

and it resolves directory lookups from the endpoints.

DMA is depicted in front of the pool of MCU resources (a stack of RMXs) which could be located in varioussites. The network is not visible on this slide, but it plays a very important role.


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APPLICATION ASSURED NETWORKING

Reserve bandwidth and prioritize traffic via Polycom SRC plug-in

This scenario builds on top of the baseline solutions that have been presented so far. It focuses on thedelivery of the assured experience to the users of telepresence services. This is done by implementingnetwork wide intelligent Call-Admission-Control (CAC) for telepresence applications.

The ability to deliver premium service levels of telepresence is important, but will become even moreimportant when competition between Service Providers heats-up. The ability to run the network hotter

and generate more revenues is even more important for Service Providers.

The ability of being able to introduce various service tier plans is also a plus, because it would increasemarket share and would acquire more users for this service.

But it is impossible to do all 3 at the same time without intelligent CAC on the network. Only CAC canassure that premium service tiers are never oversubscribed and network resources are reserved andutilized as planned.

This mechanism opens up broad prospects for different service offerings for each business case and willonly depend on the operators chosen business model.


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TARGET ARCHITECTURE

This slide presents the Access from anywhere and Managed Service Offering (MSO) cases.

The first would validate configurations for delivery of telepresence to remote locations via IPSec and SSLtunnels. Public telepresence will study architectures for hosting of public video-conferencing sessions.

The first solution for the MSO is for enterprises. Currently named Intra-Enterprise telepresence solution, it

will take the assured delivery scenario and validate it for a managed service deployment. We would lookat the aspects of end-to-end security, simplicity of deployment, monitoring and management of theservice, SLA reporting and billing.

The next step will cover Inter-organization or B2B scenario, where the architecture scales to enablecalls between 2 enterprises on the network of the same Service Provider. The focus here will be inter-enterprise security, overlapping address spaces and simplicity of service activation.

Lastly, the ultimate goal is to allow inter-provider connectivity with assured service delivery. Inter-providertelepresence will cover the case of telepresence delivery through the several administrative domains,such as networks of different Service Providers.

Each of these architectures might be implemented with or without SRC, although from the provisioningperspective, some sort of OSS provisioning system will be required and SRC can act as such system tosome extent.


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COURSE SUMMARY In this course you learned about:

Telepresence Market Overview

Baseline Juniper Networks Solutions

Introduction to Joint Solution with Polycom


In this course, you learned about:

Telepresence Market OverviewBaseline Juniper Networks SolutionsIntroduction to Joint Solution with PolycomSolution Target Architecture


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2010 Juniper Networks, Inc.

Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and

ScreenOS are registered trademarks of Juniper Networks, Inc. in the

United States and other countries. The Juniper Networks Logo, the

Junos logo, and JunosE are trademarks of Juniper Networks, Inc. All

other trademarks, service marks, registered trademarks, or registered

service marks are the property of their respective owners. Juniper

Networks reserves the right to change, modi fy, transfer, or otherwise

revise this publication without notice.

Juniper Networks, Inc. All rights reserved. Juniper Networks, the Juniper Networks logo,Junos, NetScreen and ScreenOS are registered trademarks of Juniper Networks, Inc. in theUnited States and other countries. JunosE is a trademark of Juniper Networks, Inc. All othertrademarks, service marks, registered trademarks or registered service marks are theproperty of their respective owners. Juniper Networks reserves the right to change, modify,

transfer or otherwise revise this publication without notice.

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Sot Telepresence A