Ethernet over Copper Application Primer and Product Guide

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1 Ethernet over Copper Application Primer and Product Guide New Profits from Old Copper Learn how to drive new revenue growth with multi-megabit Ethernet services over existing copper Meet rising demand for access bandwidth in small/medium business, municipal, and cellular backhaul applications, without the high capital cost of deploying fiber Offer... much more bandwidth than T1/E1 at lower cost Ethernet ease of use higher reliability of bonded pairs advanced networking services touchless provisioning This guide will show you how. Access for a Converging World

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3 Your Opportunity in Ethernet over Copper Services Demand for more bandwidth and service sophistication continues to rise quickly across every telecom segment. For small/medium businesses, municipalities, and cellular operators, obtaining higher-bandwidth connectivity to the wide-area network is often difficult. The cost of running fiber to the premise is prohibitively high for many in these segments, limiting them to the same T1/E1- based services they ve been using for years. Fortunately, technology advances have brought new life to copper loops. With Ethernet over copper (also commonly referred to as EFM, for Ethernet in the First Mile) solutions, network operators can offer up to 15 Mbps per pair, bonding up to 8 pairs together. These services offer advantages beyond raw bandwidth, including very low capital costs, the simplicity and ease of use of Ethernet, higher reliability from fault-tolerant bonded pairs, and the facility for advanced network services that tie multiple locations together seamlessly or monitor service levels with great precision. This application primer and product guide will give you an overview of how to take advantage of the clear opportunity in EFM services looking at: key drivers of demand in the relevant market segments, how EFM technology can support attractive new services targeted at these segments, the ease of EFM implementation in a scalable multi-service architecture, business cases for alternative operators, and finally how Zhone s extensive EFM solution portfolio can get you started quickly and scale with you efficiently as your EFM business grows. ViNTRODUCTION A C C E S S F O R A C O N V E R G I N G W O R L D

4 Customer Demand for Advanced Services The customer segments for which EFM-based services are potentially valuable fall into two distinct groups. The first and broader group consists of small and mediumsized organizations with inherently information- or communication-intensive activity. These organizations include commercial businesses as well as smaller publicsector entities such as municipalities and schools all with reasonably similar networking requirements today. The needs of smaller remote locations of larger organizations are also very similar, with a few specific requirements for cross-organization connectivity that go beyond those of independent small businesses or organizations. The second group is the cellular operator community, in particular the last-mile backhaul connectivity to their cell towers. Changes in communication and information processing are increasing demand for bandwidth and more sophisticated services in both groups. For small/medium organizations (or SMOs), applications continue to involve ever richer content, with more and higher-resolution digital imagery, and increasing amounts of video content and videoconferencing. The software-as-service model is growing robustly in these segments because of its attractive economics especially for smaller-scale operations, increasing network traffic along the way. For large organizations with distributed operations, the steady increase in data-driven processes and management approaches is turning remote sites into essentially small data centers. This is particularly prevalent in the retail segment. The mission-critical role of IT in these distributed operations complicates and increases the importance of high-uptime, seamless network connectivity. For wireless operators, the advent of 3G smartphones with easy-to-use interfaces and compelling networkbased applications has substantially accelerated growth in cellular wireless data traffic. This traffic growth is quickly outpacing the ability of operators to put up new cell sites or tap new spectrum bands to accommodate it, so the capacity utilization of existing sites continues to rise. Since the capacity of a radio network is only as good as the bandwidth of its connection back to the core network, the rising utilization of 3G and 3.5G cell sites is creating similarly rising demand for backhaul connectivity. Z H O N E T E C H N O L O G I E S E T H E R N E T O V E R C O P P E R

5 Forecasts aggregated from across the telecommunications industry highlight clearly the magnitude of these changes in non-residential wireline and cellular data traffic with 32% and an astounding 125% compound annual growth rates, respectively. Given the relatively slow growth in the population of SMOs and cell sites, the traffic per location looks set to continue rising substantially. The Opportunity in Last-Mile Copper While the telecom industry s response to demand for higher bandwidth is generally to push fiber closer to the customer premise, for SMOs and many cell sites, there are complications with that approach. While the forecast traffic growth rate in these segments is substantial, it s starting from a very small base typically something on the order of a 1.5 Mbps T1 or 2.0 Mbps E1 data service line. For these smaller sites, it will take years of steady traffic growth to reach the point where service demand and willingness to pay will justify the high costs of running fiber to these premises. Unlike residential neighborhoods where the cost of fiber deployment can be more easily amortized over a number of subscribers, the lower teledensity of SMOs and cell sites means the fiber deployment business case for an individual location must bear the full installation costs largely alone. Given these realities, the slow rate of growth in fiber penetration to businesses is unsurprising. One industry analyst, Vertical IP Traffic Forecast (Normalized to 2009 = 100) 2,500 2,000 1,500 1, Cellular Data (125% CAGR) Non-Residential Wireline (32% CAGR) Source: Cisco VNI 2009 Systems Group, reported in 2006 that only 13.4% of businesses in the US were served by fiber. Two years later their 2008 survey found just 19.1% penetration of fiber connections in the business segment. The business case for fiber deployment to these segments is obviously improving, but at a modest rate that will leave the large majority of these customers limited to copper-based solutions for some time. EFM Technology Fortunately there is an excellent solution for these copperbound SMO and cell site applications in the form of Ethernet over Copper, and in particular the industrystandard Ethernet in the First Mile technology (commonly referred to as EFM). Last-Mile Fiber Penetration in SMO market. EFM in Context 100% Source: Vertical Systems Group Copper Fiber To clarify terminology, it s helpful to look at EFM in the general context of the growing adoption of Ethernet. Since Ethernet is taking different forms in access, distribution, and core networks, the jargon can be confusing. The table on the next page provides a summary snapshot of the various Ethernet technologies in use today outside the LAN environment. The overlap between the application groupings (the horizontal axis) is the primary source of confusion. The IEEE 802.3ah standard, the more formal name for EFM, actually covers both fiber and copper technologies. In practice, though, the term Active Ethernet is used for 802.3ah standards over point-to-point fiber, leaving EFM as the working term for 802.3ah over copper. The higher-speed Metro Ethernet A C C E S S F O R A C O N V E R G I N G W O R L D

6 specification, coming out of the work of the Metro Ethernet Forum, is used primarily for core and distribution network services over fiber and is not relevant to SMO and cell site target segments under consideration here. The last category, Pre-Standard Ethernet over Copper, refers to the proprietary technology for Ethernet on bonded copper loops that was originally developed by a small company named Net to Net in the late 1990s and acquired by Zhone in A number of Zhone customers continue to use this technology quite successfully. One other term with some currency in the industry is carrier Ethernet used variously as an umbrella term to refer to the services that operators can offer with any of these technologies, or sometimes more specifically to refer to Ethernet services in the core or distribution networks. Our focus for the balance of this discussion is on EFM over Copper, which in practice is usually shortened to just EFM. How EFM Works In simplest form, EFM is a straightforward combination of packet data in Ethernet frames carried over an SHDSL physical layer on one or more last-mile twisted pair copper loops. An EFM connection is made between an Ethernet access device (EAD) at the customer premise and typically an EFM aggregation platform in the central office, or in some cases directly with an EAD at another premise. EADs deliver WAN connectivity on the premise through an Ethernet port to a standalone device or a LAN switch, and they may also provide emulated legacy interfaces (POTS, T1/E1) as well. The IEEE 802.3ah standard incorporates a number of advances in Ethernet over last-mile twisted pair, including: use of the SHDSL physical layer for high symmetric data rates per twisted pair (up to 15 Mbps) direct connection between the Ethernet MAC layer and the SHDSL PHY layer, avoiding latency and frame overhead associated with prior approaches that retained ATM encapsulation and adaptation in the process support for multiple twisted pairs in a bond group that are combined to form one virtual Ethernet connection with higher speeds and resiliency as shown in the diagram on the facing page, individual inbound Ethernet frames are divided by EFM devices into fragments optimized for current loop performance before being sent in parallel over the bond group, one fragment to a pair, and then re-assembled on the receiving end. Choices for Ethernet in the Access Network A quick reference guide to the four common technology categories Ethernet over Fiber Ethernet over Copper Ethernet in the First Mile (EFM) Category Metro Ethernet Active Ethernet EFM over Copper Pre-Standard Ethernet over Copper Standard MEF* 10 Technical Specification IEEE 802.3ah EFM IEEE 802.3ah EFM None (Net-to-Net protocol) Physical Medium Topology Physical Layer Data Rates Reach Target Segments 1 single-mode optical 1 single-mode optical 1 to 8 voice-grade 1 to 8 voice-grade fiber with WDM fiber Cat-3 copper pairs Cat-3 copper pairs Ring, star Point to point Point to point Point to point 1000/10000 Base T 10/100/1000 Base T T1, E1, 1 10 Gbps 10/100/1000 Mbps 5.7 Mbps per max Mbps pair (max 45 Mbps) per pair (to 45 total) km (6 25 mi.) km (6 25 mi.) 7 km (4.5 mi.) Unlimited for T1/E1; depending on optics depending on optics < 7 km / 4.5 mi. for Large enterprises SM0 SMO SMO Small/medium enterprises Residential triple (SME) play Residential triple play *MEF = Metro Ethernet Forum SME (inc. T1/E1 or frame relay replacement) SME (inc. T1/E1 or frame relay replacement) Z H O N E T E C H N O L O G I E S E T H E R N E T O V E R C O P P E R

7 How EFM Works Reassembled Frame Ethernet Frame Frame Fragments From Dist n Ethernet MAC n x SHDSL PHY Ethernet Access Device n x Twisted Pair Copper Loops EFM Aggregation Platform The EFM standard supports on-the-fly adaptation of bond groups, allowing the bonding of pairs with unequal rates, as well as hitless adds or drops of individual pairs from the group. This resiliency translates into higher value for EFM services in mission-critical business or public-sector applications where high link reliability and stability is of utmost importance. The performance of the EFM standard represents a nearly 10x improvement over legacy T1/E1-based services. Rates for links without repeaters stay very robust over the typical in town distances required to serve SMOs. The addition of repeaters can carry multi-megabit speeds over copper at the greater distances required for cell site backhaul. Theoretical Best-Case EFM Rate vs. Reach (Zero-Noise Environment) Connect Rate, kbps 16,000 15,000 14,000 13,000 12,000 11,000 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1, TC-PAM-128 Modulation TC-PAM-4 4 repeaters can be used, on 6 kft. spacing km T1 reference mi. 0.4mm / 26AWG Loop Length A C C E S S F O R A C O N V E R G I N G W O R L D

8 The EFM standard s provisions for configuration and management allow well-designed system software to make turning up carrier-class services on the equipment very straightforward. Zhone s EFM Application Guide takes you from a sealed box of central office gear to bridged Ethernet service in just four simple steps the first of which is unpack the box and plug it in. With the touchless EFM provisioning built into Zhone s singleline, multi-service (SLMS) access operating system, the end customer needs to perform only that first step, and the rest can be completely automated. EFM services can be installed and brought up in a tiny fraction of the time it would take to deploy fiber for a business customer or cell site. Zhone s service provider customers have reported that EFM s simplicity and ease of use reduce the ongoing staff costs of network configuration and maintenance per subscriber by at least 20%, and in some cases as much as 50%. They also report that staff training time is dramatically reduced, as the technology taps directly the base of experience in Ethernet that is common in today s network technicians. The Business Case A strong case for launching EFM services can be made for each alternative carriers, and custom network service operators. The cases for each differ in their particulars, but the net result is the same in all segments: deploying EFM is a very financially attractive concept. We ll look at each situation in turn. Alternative Carrier or CLEC For the alternative carrier / CLEC segment, EFM is all about the upside of taking new market share with a superior price/performance offer. In this case a representative customer cash-flow payback analysis would look roughly like this: Recurring Revenues and Costs, US$ per Month per Customer: Offer: 10 Mbps service, requiring 3 leased dry-copper loops Revenue... $400 Costs: Loop lease (3 x $15 ea.) Operation Total Monthly cash flow per customer... $255 1x Costs per Customer, US$ Customer acquisition (marketing) Equipment, installation... 1,000 Total...$1,200 The high profitability of this customer segment yields very rapid payback for these alternative models where service providers are building custom networks for SMOs. Custom Network Service Provider The third model is a variation on the alternative carrier approach, and one pioneered by a Zhone customer in Europe. In this case the network operator sells the service concept to individual customers before buying and installing any equipment. The operation s capacity is extended only when the customer is signed on, and completely at the customer s expense. (The viability of this model in other geographies is likely to be very dependent on the severity of unmet demand for affordable higher-bandwidth options in the SMO segment.) The custom network provider operates a dedicated configuration of equipment for each customer over leased unbundled local loops, becoming in effect an extension of their IT infrastructure. The profitability of this customer segment carries through to the custom network model as well operating income for this case is currently running in the mid 40% range. A C C E S S F O R A C O N V E R G I N G W O R L D

9 Upside beyond Bandwidth Note that in establishing back-of-the-envelope business case views of these three operator classes, the value of more advanced services (such as E-LAN connectivity or tiered performance and pricing based on SLA levels) has not been incorporated. Whether included as part of the baseline service in order to provide more tangible differentiation of the offer in an effort to gain share, or offered as incremental charges, the low cost of implementing these additional features in EFM solutions will yield even more upside to all three operator models. Finally, the business case for cell site applications is largely analogous to each of the three cases sketched out above whenever the cellular operator must buy backhaul from the open marketplace, i.e. it is not the wireless arm of an operator group that includes wireline services that can be purchased at cost. For wireless operators with wireline assets, the case for EFM can be based on more bandwidth over limited copper resources, comparatively lower maintenance and operating costs than for legacy interfaces, or avoiding the costs of more expensive alternatives such as microwave or fiber build-out. Zhone s Extensive EFM Solution Portfolio Zhone continues to play a pioneering role in the Ethernet over Copper and EFM marketplace. From embracing and carrying forward the early work of Net to Net, to launching our first 802.3ah standard products in 2006, equipping one of the largest EFM deployments to date (at over 60,000 lines) in 2007, and most recently adding SHDSL EFM support to our benchmark-setting MXK intelligent terabit access concentrator, we continue to set the pace in truly scalable, carrier-class EFM solutions. Our EFM portfolio includes a unique combination of: Scalability - From 2 to 480 ports per chassis available on Zhone s MSAP platforms Multi-Service Access Platform integration - Zhone s EFM solutions integrate with its MSAP platforms allowing carriers to deploy multiple access services from a single, high bandwidth Zhone platform G.SHDSL or T1/E1 bonding - Numerous bonding performance advantages including: 1) Aggregate rate of bond group delivered via copper pairs of unequal rate performance, 2) Continuous operation of lose pair and bond group even if one pair is lost, and 3) hitless adds or drops of pairs completed with ease. Carrier Class redundancy and platform design - Zhone s SLMS based platforms meet all carrier requirements enabling carriers to easily integrate Zhone platforms into their network and launch EFM services efficiently. Extensive Pseudowire Support, with multiple timing options - Carriers can connect TDM networks with IP networks and recover timing seamlessly, and Full Management Automation - Comprehensive path measurements are generated for a complete view of the EFM network and fast IP SLA resolution. Touchless Provisioning - Customers can simply connect the Zhone EADs to the Zhone MSAP platforms and have EFM services live in minutes. The following pages will provide you the details of our support for EFM in the MXK, MALC, and EtherXtend product lines. PIONEERING EFM Net to Net introduces Ethernet over Copper Net to Net introduces Copper Loop Bonding Paradyne acquires Net to Net Zhone acquires Net to Net Zhone launches 802.3ah EFM Zhone number one in worldwide EOC port shipments Zhone adds EFM to Terabit Access Architecture Z H O N E T E C H N O L O G I E S E T H E R N E T O V E R C O P P E R

10 Ethernet Aggregation MXK and MALC MSAP MXK -EFM-SHDSL-24 NTP MXK -EFM-SHDSL-24 NTWC MALC -EFM-T1 / E1-24 MALC -EFM-SHDSL-24 NTP MALC -EFM-SHDSL-24 NTWC 802.1ad Q in Q transparent LAN support and routing support on all ports 802.3ah (EFM) compliance with 802.3ah OAM N2N loop bonding support with 802.3ah IP SLA latency / jitter / data-loss measurements Layer 2 and 3 functions Gigabit Ethernet uplinks Card and model options for network timing and network powering Cross card bonding Support for TCPAM 4,8,16,32,64,128 Automatic SHDSL port bonding Automatic removal of misbehaving loops from a bond group Raptor-XP Raptor-XP-170-WC and -LP 802.1ad Q in Q transparent LAN support and routing support on all ports 802.3ah (EFM) compliance with 802.3ah OAM N2N loop bonding support IP SLA latency / jitter / data-loss measurements Layer 2 and 3 functions Fast and Gigabit Ethernet uplinks Model options for network timing and network powering Support for TCPAM 4,8,16,32,64,128 Automatic SHDSL port bonding Automatic removal of misbehaving loops from a bond group RAPTOR XP 170 Compact, High-Performance 1U IP/EFM Access Concentrator for express Packet Family The Raptor-XP-170 provides the ideal compact form factor and transport solution for appliances like EFM over copper, Transparent LAN Services, Cellular Backhaul and Metro WiFi. A C C E S S F O R A C O N V E R G I N G W O R L D 1 1

11 Aggregation Systems Summary SLMS EFM Line Card MXK-EFM- SHDSL-24 MALC-EFM- T1/E1-24 MALC-EFM- SHDSL-24 Raptor- XP-170 Access Interface 5.7 Mbps T1/E1 5.7 Mbps 5.7 Mbps Loop Bonding 802.3ah, N2N N2N 802.3ah, N2N 802.3ah N2N Ports per Card Shelf Capacity (card slots / ports) Management 319: 8 / : 16 / : 20 / 480 ZMS 319: 8/ : 16/ : 20/480 ZMS 319: 8/ : 16/ : 20/480 ZMS 1 Card (1U) ZMS QoS 802.1Q 802.1p 802.1Q 802.1p 802.1Q 802.1p 802.1Q 802.1p Layer 2 Layer 3 IP SLA Optional Equipment Network Timing Wetting Current Network Timing Wetting Current Network Timing Wetting Current EAD to Aggregation System Interoperability MXK-EFM- SHDSL-bis MALC-EFM- T1/E1 1 2 Z H O N E T E C H N O L O G I E S E T H E R N E T O V E R C O P P E R MALC-EFM- EtherXtend 3400 Series EtherXtend 3200 Series EtherXtend 3100 Series EtherXtend 3000 Series EtherXtend 2100 Series Network Extender TNE (T1) EtherXtend SNE Series At 2.3 Mbps EtherXtend ENE Series Raptor- XP-170 At 2.3 Mbps

12 ... Easy, Proven, Deployed Series EtherXtend EADS 3000 Series EtherXtend EADS Fully featured, high-capacity loop bonding and multi-standard support all-in-one device using extended rate with inband OAM Fully managed and intelligent features using 802.3ah EFM standards with inband OAM over bonded extended rate ETHX 3444: 4-port ETHX 3484: 8-port 45.6 Mbps bonded capacity 802.3ah EFM or N2N selectable bonding Bridged or routed on every port 4x10/100 Base-T LAN interfaces 4 or 8 WAN Port models ETHX 3014: 1-port ETHX 3024: 2-port ETHX 3044: 4-port 22.8 Mbps bonded capacity 802.3ah EFM bonding Simplicity of bridged operation 4x10/100 Base-T LAN interfaces 1, 2 or 4 WAN port model 2200 Series EtherXtend EADS 2100 Series EtherXtend EADS Delivering Ethernet-over-Copper Loop Bonding on DS3 The most widely used Ethernet-over-Copper Loop Bonding technology combined with the high bandwidth of ETHX 2214: 1-port DS3 ETHX 2224: 2-port DS3 90 Mbps bonded capacity Proven N2N bonding Support Multimedia Traffic Management (MTM) ETHX 2111: 1-port / 1-LAN port ETHX 2112: 1-port / 2-LAN ports ETHX 2122: 2-port / 2-LAN ports 11.4 Mbps bonded capacity Proven N2N bonding Either provider or subscriber units Simplicity of bridged operation A C C E S S F O R A C O N V E R G I N G W O R L D 1 3

13 TNE / ENE / SNE Family T1 / E1 / SHDSL Network Extenders with proven performance deployed worldwide TNE T1 Network Extenders TNE xT1 WAN port, 1x10/100 Ethernet LAN port TNE xT1 WAN ports, 1x10/100 Ethernet LAN port TNE xT1 WAN ports, 4x10/100 Ethernet LAN ports Fully managed TNE xT1 WAN ports, 4x10/100 Ethernet LAN ports Fully managed SNE G.SHDSL Network Extenders SNE xSHDSL 2.3 Mbps WAN port, 1 10 Mbps LAN port Provider and Subscriber units SNE xSHDSL 2.3 Mbps WAN ports, 1 10 Mbps LAN port Provider and Subscriber units SNE xSHDSL 2.3 Mbps WAN ports, 1x10/100 Ethernet LAN port Provider and Subscriber units ENE E1 Network Extenders ENE xE1 WAN port, 1x10/100 Ethernet LAN port ENE xE1 WAN ports, 1x10/100 Ethernet LAN port ENE xE1 WAN ports, 4x10/100 Ethernet LAN ports Fully managed ENE xE1 WAN ports, 4x10/100 Ethernet LAN ports Fully managed 3100 Pseudowire EAD Series SHDSL EFM Pseudowire Access Device The EtherXtend access devices with Pseudowire Emulation Edge to Edge (PWE3) allow customers to extend TDM services over a packet based network. These devices connect to TDM and Ethernet services simultaneously. The ETHX- 31xx units allow a standard T1/E1 circuit to be transported over the EFM bonded connection eliminating the need to maintain a separate T1/E1 connection to customers who are using bonded Ethernet for their data needs 3100 Pseudowire EAD MEF 18 Certified Full VLAN support with priority and QoS TLS mode Units operate in back to back mode (CO and CPE mode) Multiple clock recovery mechanisms: Adaptive, Synchronous, Differential Multiple Encapsulation methods: MEF, IP, MPLS Extended SHDSL data rates Environmentally hardened for use in extreme conditions or remote cabinets (DC Models) 3 models: 3141, 3142, and Z H O N E T E C H N O L O G I E S E T H E R N E T O V E R C O P P E R

14 3200 EAD with VoIP Series SHDSL EFM Access Device with VoIP Zhone s EtherXtend SHDSL EAD with VoIP allows Carriers, CLECs, ISPs and PTTs to deliver Ethernet and Voice services to their customers simply, quickly and cost-effectively over the existing copper plant. Intended for deployment at end-users locations, these devices allow delivery of IEEE 802.3ah Ethernet in the First Mile (EFM) services using the latest in SHDSL standards EAD with VoIP Full VLAN support with priority and QoS TLS mode Units operate in back to back mode (CO and CPE mode) 4 or 8 Voice Ports: MGCP SIP SIP-PLAR H.248 Extended SHDSL data rates Environmentally hardened for use in extreme conditions or remote cabinets (DC Models) 2 models: 3244 and 3248 Ethernet access devices EtherXtend Access Devices (EADs) Guide 3400 Series 3200 Series 3100 Series 3000 Series 2200 Series 2100 Series TNE SNE ENE WAN Interface 5.7 Mbps 5.7 Mbps T1/E1, 5.7Mbps 5.7 Mbps DS3 45Mbps 5.7 Mbps T Mbps SHDSL 2.3 Mbps E Mbps WAN Ports 4 or 8 1, 2 or 4 4 1, 2 or 4 1 or 2 1 or 2 1, 2, 4 or 8 1, 2 or 4 1, 2, 4 or 8 Bandwidth (at max ports) Loop Bonding LAN Interfaces 10 / 100 Base-T Management 45.6 Mbps 802.3ah EFM N2N 22.8 Mbps 802.3ah EFM 22.8Mbps 802.3ah EFM 22.8 Mbps 802.3ah EFM 90 Mbps 11.4Mbps or 2 12 Mbps 9.2 Mbps 16 Mbps N2N N2N N2N N2N N2N 1 (1 / 2 port) 4 (4 / 8 port) (4 / 8 port) 1 Unmanaged 1 (1 / 2 port) 4 (4 / 8 port) (4/ 8 port) QoS 802.1p 802.1p 802.1p 802.1p 802.1p 802.1p 802.1p 802.1p Layer 2 Layer 3 L3 aware L3 aware L3 aware L3 aware Voice Ports 4 or 8 A C C E S S F O R A C O N V E R G I N G W O R L D 1 5

15 Serving Customer Needs AccessCom Cornerstone of Service Expansion When we evaluated Zhone s offerings, particularly EFM, we felt that the cost and performance claims made by Zhone had to be too good to be true. After testing the platform we were convinced and we ve been consistently amazed by the flexibility, value and performance of the MALC. Jeff Giles CEO Netmedia Zhone Delivers Higher Bandwidth to Netmedia Using Zhone s Ethernet-over-Copper solutions with both E1 and SHDSL lines has enabled delivery of higher bandwidth Ethernet business services in Finland over existing copper lines, thereby creating new and profitable Ethernet business services by reusing existing plant infrastructure. Martin Sten Founder Saudi Telecom Dramatic Improvement in Service Capability We believe Zhone s EFM solution will dramatically improve our service capability through copper loop bonding for higher bandwidth along with symmetric data capabilities for our business customers demanding enhanced services. Zhone s EFM standards-based access aggregation ensures our service objectives are met, including simplifying provisioning and management. Sami Al-Zomaia Access Engineering Manager Zhone Technologies, Zhone Way 7001 Oakport Street Oakland, CA Tel. 1 6 Z H O N E T E C H N O L O G I E S E T H E R N E T O Vv2009_12wp E R C O P P E R For more information about Zhone and its products, please visit the Zhone Web site at or Zhone, the Zhone logo, and all Zhone product names are trademarks of Zhone Technologies, Inc. Other brand and product names are trademarks of their respective holders. Specifications, products, and/or product names are all subject to change without notice. Copyright 2009 Zhone Technologies, Inc. All rights reserved.

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