WHITEPAPER LINDENBAUM's HIGH-AVAILABLE MEDIA ... - NAT

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Green technology Sustainability is an imperative in nowadays world. New IT products and processes must drive economical and operational improvements, increase accountability and last but not least lessen environmental impact. Lindenbaum’s MicroTCA-based Media Server helps to solve these challenges State-of-the-art communication technology has to tackle all the challenges listed above. Lindenbaum (www.lindenbaum.eu) takes these crucial aspects serious and launches its new Media Server. MicroTCA as the technological basis The Lindenbaum Media Server is based on the open standard MicroTCA. Formerly used CompactPCI cannot satisfy any longer today’s end-user’s and provider’s demands. The advantages of MicroTCA dominate: � Flexibility and independence: all PICMG compliant Advanced Mezzanine Cards (AMCs) are deployable – no single vendor lock-in -> a vendor-independent system configuration � Scalability: depending on the chassis size, up to 20.000 audio ports can be addressed with one system � Maintenance: all AMCs are changeable in the running system without special tools � Redundancy: 99,999 % availability (less than 5 minutes downtime including maintenance per anno) � High bandwidth: Gigabit Ethernet enables high performance communication � Security: use of SSL-encrypted data transfer Redundancy, maintenance and an intelligent server system are the most important elements for Lindenbaum ensuring to be available 24/7. System breakdowns are often related to defect elements or the need to update software or to upgrade a system to higher performance. Not for a MicroTCA system: updates can be done in the running system because the components are interchangeable in the working mode. This media server solution can process millions of phone calls every day because it is scalable. It can be configured of several MicroTCA 19 inch chassis depending on the demanded port capacity. Whitepaper – Lindenbaum & N.A.T. Page 4/10 Lindenbaum GmbH Erbprinzenstr. 4-12 | 76133 Karlsruhe, Germany | Fon: +49 721 48 08 48 – 000 Fax: Fon: +49 721 48 08 48 – 801 | info@lindenbaum.eu | www.lindenbaum.eu N.A.T. - Gesellschaft für Netzwerk- und Automatisierungs-Technologie mbH Konrad-Zuse-Platz 9 l 53227 Bonn, Germany l Fon: +49 228 965 864 0 Fax: +49 228 965 864 10 l sales@nateurope.com l www.nateurope.com
The MicroTCA system is equipped with Advanced Mezzanine Cards (AMCs) from N.A.T. (view http://www.nateurope.com/products/amc/amc.htm): � <strong>NAT</strong>-MCH: Contains a 16 port GbE switch, distributes the clock signals, manages the remote access, the inventory, is responsible for electronic keying and redundancy on the lower layer and generates system alarms and harmonizes the firmware updates. � NAMC-8569-xE1/T1: A signalling processing engine providing 16 E1/T1/J1 line interfaces including TDM cross connect and I-TDM interworking in full-size form factor. � NAMC-STM1: A STM-1 SDH line interface card providing add/drop functionality at DS0 and subrate levels including TDM cross connect and I-TDM interworking for termination and monitoring in mid-size form factor. Leveraging the MicroTCA advantages with Erlang and the Open Telephony Platform To leverage the strength of a MicroTCA System an appropriate Software environment is essential. Lindenbaum decided to use Erlang and the Open Telephony Platform (OTP) for this. Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of its uses are in telecoms, banking, e-commerce, computer telephony and instant messaging, e.g. Erlang is used for the chat engine of Facebook. Erlang's runtime system has built-in support for concurrency, distribution and fault tolerance – all essential for a high- available and scalable Media Server. The Open Telephony Platform (OTP) is a set of Erlang libraries and design principles providing middleware to develop these systems. It includes its own distributed database, applications to interface towards other languages, debugging and release handling tools [see http://www.erlang.org/]. Release handling in Erlang is upgrading and downgrading between different versions of a release, in a (possibly) running system. I.e. new software releases of the Media Server can be deployed without interrupting the running services. While Lindenbaum Media Server is developed in Erlang, due to open interfaces you can develop applications for the Media Server in any programming language (e.g. Java, Perl, PHP, Ruby, C#), so that learning of Erlang is not required. Whitepaper – Lindenbaum & N.A.T. Page 5/10 Lindenbaum GmbH Erbprinzenstr. 4-12 | 76133 Karlsruhe, Germany | Fon: +49 721 48 08 48 – 000 Fax: Fon: +49 721 48 08 48 – 801 | info@lindenbaum.eu | www.lindenbaum.eu N.A.T. - Gesellschaft für Netzwerk- und Automatisierungs-Technologie mbH Konrad-Zuse-Platz 9 l 53227 Bonn, Germany l Fon: +49 228 965 864 0 Fax: +49 228 965 864 10 l sales@nateurope.com l www.nateurope.com
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Page 3: A high-available Media Server based
Page 7 and 8: Within the Lindenbaum Media Server
Page 9 and 10: Carrier-grade Voice, Video and Web

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