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Appian Communications Launch into the International Market Providing Revenue Revolution Through Existing Infrastructure

Appian Communications™, the first to enable the delivery of carrier-class Ethernet-over-SDH/SONET services, today announced a new release of its award-winning Optical Services Activation Platform™ (OSAP™) with added support for both SDH transport and E1 TDM access. This provides plug-and-play compatibility for the OSAP with carrier networks in Europe, Asia Pacific and other regions around the world, allowing them to provide the new generation of more efficient, profitable and customer friendly ‘Ethernet Services’ without the need to upgrade existing metro networks.
The new release, which has completed beta testing and is now generally available, enables carriers to leverage the still growing base of SDH networks as they migrate from traditional inflexible TDM services to highly resilient and scaleable next-generation packet services. In addition, OSAP has been certified by the European Telecommunications Standards Institute (ETSI) as ready for deployment in carrier central office environments.

“The market for Ethernet services is taking shape as carriers around the world seek solutions that enable new service revenues with greater profitability” said Chris Nicoll, Vice President at Current Analysis. “Ethernet services promise more granular and scalable bandwidth at much lower cost than traditional TDM services. The ability to deliver these services over an existing SDH/SONET network means carriers can minimize their investment in new infrastructure as they deliver packet services with carrier grade reliability, scale and manageability. Appian’s support for SDH and E1, and their certification by ETSI, marks a major milestone in the company’s growth as a global supplier.”

OSAP support for E1 TDM interfaces allows a best-of-both-worlds strategy, with carriers able to offer traditional voice and private line services in combination with emerging packet services. OSAP SDH support provides the ability to deliver these services via a carrier’s existing transport network. The SDH solution offers full Add/Drop Multiplexer (ADM) functionality, supporting VT-12 service granularity with the ability to scale to STM-16 service rates. Standard protection mechanisms, including linear MSP (Multiplex Section Protection) and SNCP (SubNetwork Connection Protection), are fully supported. In addition, Appian’s resilient packet ring solution, Optical Data Protection ™, provides packet efficiency and protection for new revenue generating services that include secure Ethernet Private Line, multi-point Transparent LANs and burstable-rate Internet access.

“The opportunity for Ethernet services to increase revenue and profitability is global,” commented Anand Parikh, vice president of product marketing and business development and co-founder of Appian. “According to a recent Probe Research report, the SDH market is expected to grow from .7 billion in 2000 to .8 billion in 2006. With the addition of SDH transport, E1 TDM access and ETSI certification, we can now position carriers to leverage this investment to deliver a range of premium and best-effort services to their commercial customers around the world.”

OSAP Enables Carrier-Class Ethernet Services Today

Appian’s OSAP is the industry’s first platform to enable carrier-class Ethernet services that combine the simplicity of Ethernet, flexibility of packet switching, and QoS guarantees with traditional SDH/SONET and emerging metro Ethernet networks. Based on a hybrid packet/TDM architecture that is multi-service capable, the OSAP has been purpose-built for the migration from traditional TDM services to next generation packet services.

Positioned at the metro area optical edge, the OSAP enables a suite of differentiated, carrier-grade Ethernet services that can span a metro and wide area geography with features that include:

- Bandwidth that scales from 1 Mbps to 1 Gbps in granular 1 Kbps increments

- Explicit bit rate and burstable-rate service level guarantees

- Remote software provisioning for more rapid, lower cost service delivery than traditional TDM services

- Resilient packet ring services that include SDH/SONET quality 50 msec. recovery

- Flexible point-to-point and multipoint service options

Based on a packet-optimised, TDM-capable and SDH/SONET compliant solution, the OSAP further enables lower operating and capital costs as new services are introduced. In a typical scenario, carriers can achieve a greater than 70% reduction in transport costs, with even greater operational savings made possible through the OSAP’s ability to integrate seamlessly with existing back office systems.

About Appian Communications

Appian is removing the final metro area bottleneck to new optical service revenues. Designed to enable growth in service revenue and profitability, the Appian solution combines the low cost and simplicity of Ethernet with the resilience and scale of established SDH/SONET networks to enable carrier-class Ethernet services that include secure Ethernet Private Lines, explicit rate Virtual Private Lines, and burstable Internet Access. With its integrated TDM service support, the Optical Services Activation Platform™ (OSAP™) is a best-of-breed solution that simplifies the migration from today’s rigid, circuit-optimised voice and private line offerings to these next-generation service offers. Recognized as a 2001 Hot 100 Private Company by UPSIDE Magazine, Appian is marketing its products to emerging and existing providers, including NTT Communications, around the world.

For more information about Appian Communications, please visit its Web site at

For additional information, please contact:

Rory MacDonald/Nicola Welch
MCC International Ltd.
01962 888 100
01962 888 125

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