Deutsche Telekom Selects Tail-f as Provider of Software-Defined Networking (SDN) in TeraStream Project

Deutsche Telekom Selects Tail-f as Provider of Software-Defined Networking 
(SDN) in TeraStream Project 
STOCKHOLM, April 11, 2013 /CNW/ - Tail-f Systems, a leading provider of 
network service programmability solutions for traditional and software-defined 
networks (SDN), today announced that Deutsche Telekom has chosen Tail-f 
Systems to deliver the key software components of its software-defined network 
in its TeraStream project. 
As the face of networking is changing, TeraStream's goal is to create an 
all-IP transformation to cope with exponential traffic growth while 
streamlining the delivery of network services in real time. With Tail-f's NCS 
(Network Control System) TeraStream is able to deliver this new networking 
model through a network-wide and service-aware unified application programming 
interface (API). 
"We believe carriers can no longer afford to hard-code services into the OSS 
if they want to get to market quickly with new services," said Axel Clauberg, 
Vice President, Aggregation, Transport, IP and Fixed Access, Deutsche Telekom 
AG. "The Tail-f NCS solution, with both services and the network modeled in a 
standardized high-level language, shortens time to market, increases vendor 
independence and dramatically improves the cost structure. This SDN solution 
is a key component in TeraStream's real-time OSS." 
"As a multi-vendor SDN solution provider, we are excited to partner with 
Deutsche Telekom to change the way network operations are being done," said 
Hakan Millroth, CTO of Tail-f Systems. "Tail-f has been driving 
standardization of network service programmability for a long time to reduce 
key pain points such as vendor dependence, lack of service innovation and high 
operating costs. The adoption of these standards by TeraStream and its network 
equipment providers will fundamentally change the networking industry." 
Tail-f Network Control System (NCS) Details: 
Tail-f NCS provides a new foundation for delivering a unified interface to all 
network devices and services. NCS leverages YANG (RFC 6020) and NETCONF (RFC 
6241) – two powerful standards that address service and device modeling and 
fail-safe mechanisms – to change network configurations. 
Key Features: 
Model-driven: Network services and devices are modeled in YANG, and their 
configuration states are centrally stored in NCS. Model changes are easy to 
adapt. NCS automatically renders the device interface from the vendor's device 
models. NCS also renders the complete service management functionality from 
the service models that are specified by the service provider. 
Service-Aware: NCS provides a declarative way to specify how a network service 
shall be applied to the network infrastructure. This greatly facilitates the 
mapping of service configuration changes to device configuration commands. The 
entire service life-cycle is supported including creating, modifying and 
deleting service instances. 
Programmability: NCS provides a rich set of transaction-safe and model-driven 
APIs, including publish-subscribe APIs, so that other systems can be kept in 
sync in real time. 
Transactions: NCS applies all service changes towards the network as an atomic 
change set. This ensures that the network is always in a consistent state and 
can automatically recover from failed configuration changes. 
Consistent State: NCS represents the true current state of the network and 
network services. The mappings between service state and network state are 
expressed using high-level templates. 
About Tail-f Systems 
Tail-f Systems is a leading provider of network service programmability 
solutions for traditional and software-defined networks (SDN). Headquartered 
in Stockholm, Sweden, Tail-f is a Red Herring Top 100 company, a Stratecast 
Global OSS/BSS 10 to Watch Company, and a Pipeline Network Innovations Award 
Finalist. www.tail-f.com. 
Renee Stromberg, Tail-f Systems, +46 72 245 7226, renee@tail-f.com; or Holly 
Hagerman, Connect Public Relations, 801/373-7888, hollyh@connectpr.com 
http://www.tail-f.com 
SOURCE: Tail-f Systems 
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CO: Tail-f Systems
NI: TLS CPR ELE SOF NET  
-0- Apr/11/2013 12:01 GMT
 
 
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