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Transcript
Case Study A Policy-based Management Solution for Wireless Access Networks Introduction Enterprise Networks Mobile and fixed operators are looking for ways to manage their backhaul and access network infrastructure in a way that optimizes network utilization, reduces cost and maintains subscriber experience. Often, significant parts of this infrastructure are wireless, which makes the overall performance prone to changing environmental conditions and subscriber behavior. In a typical enterprise access scenario, involving INTRACOM TELECOM’s WiBAS™ carrier-grade PtMP product, a bouquet of services is available to demanding subscribers. The total available bandwidth is in turn partitioned to each enterprise served, up to the individual end-users within the same building. Off-the-shelf network & service management tools usually have access up to Layer 2 only (data link), and therefore operators can only enforce undifferentiated ‘gross’ policies, applied horizontally across all subscribers, no matter what their importance and individual needs are. For example, a common such action might be to cut-off most or even all IP data traffic and allow only voice when the wireless infrastructure capacity is reduced via Adaptive Modulation in order to cope with external/environmental conditions. INTRACOM TELECOM proposes an offering with fine-grained Layer 7 policies at network and enterprise level, or even individual user level as necessary. Such a solution is implemented by a unified Service & Network Management system that includes Policy Charging and Rules Function (PCRF) that detects and manages congestion in real-time. LAN Aggregation Network WiBAS Base Station Data WiBAS Terminal Station Core Network Da ta ISP Core LAN WiBAS Base Station WiBAS Terminal Station Da ta LAN Congestion may occur at the following three points: 1. Terminal Station – due to heavy internet usage from subscribers of a single enterprise (e.g. peer-to-peer file sharing, video streaming) 2. Wireless connection – due to external/environmental conditions (e.g. adaptive modulation mechanism lowering the physical mode of the respective link) 3. Base Station sector – due to oversubscription at the same sector The challenge is to intelligently detect and manage congestion in real-time. The Solution INTRACOM TELECOM’s Unified Service & Network Management Suite (uni|MS™) incorporates ActionRuler™, a state-of-the-art Policy Charging and Rules Function (PCRF) add-on application that: • Detects in real-time congestions, via threshold crossing alerts (TCA) sent from managed elements. WiBAS Terminal Station Data The Challenge • Automatically begins real-time detailed performance data collection from all elements involved in congestion, which are in turn supplied to the Service Management Layer for Policy rules function. • Analyzes resource performance data and communicates with DPI to determine in real-time what applications the subscribers are using in the congested resources. • Automatically makes intelligent policy decisions for each subscriber active on the network and applies necessary finegrained policies at network or enterprise level, or even individual user level as necessary to eliminate congestion. Case Study Benefits for the Operator • uni|MS™ with the ActionRuler™ PCRF add-on application provides awareness about enterprise and even subscriber profile & needs (e.g. gold/ silver, prepaid/postpaid, etc.). The operator can define policies that allow automatic intelligent decision making to manage congestion for a network offering multiple services, quality of service (QoS) levels, and charging rules. • Operators can offer as a service to their enterprise/corporate customers the capability to define policies via a customer care portal, increasing loyalty and revenues. The operators may apply various charging schemes, such as: Charge per active rule Recurring fees (e.g. monthly fee) Once-off activation fee. Benefits for the Enterprise • Enterprises can now apply fine-grained Layer 7 policies tailored to their own needs, by re-allocating precious bandwidth towards high-priority IP applications. • Enterprise Policies can be applied at various levels: Global Policies can be applied throughout the whole enterprise Port-based Policies can be applied to users connected to the network via a specific port Individual Policies can be customized to specific end-users. The INTRACOM TELECOM Proposal INTRACOM TELECOM offers a state-of-the-art Policy-based Management solution, applicable to both Fixed and Mobile Telecom contexts, which incorporates: • uni|MS™, a carrier-class, multi-technology Unified Management Suite for the management of elements, networks and services that protects the network investment and leverages network operations through advanced monitoring and troubleshooting tools. uni|MS™ manages networks in real-time and includes a Policy charging and rules function (PCRF) add-on application, ActionRuler™. • ActionRuler™, a state-of-the-art Policy Management software that enables operators to enforce fair usage policies, optimize network capacity and introduce innovative services. ActionRuler™ incorporates a powerful rules mechanism that allows the corporate as well as the operator’s administrators to define on their own enterprise and global wide policies, fast and intuitively. • WiBAS™, an innovative family of carrier-grade Point-toMultiPoint (PtMP) MW products that provides operators a powerful and cost-effective broadband wireless solution that perfectly fits all their current and upcoming high-capacity backhaul and access needs in heterogeneous environments. To find out more on how Operators around the globe fully monetize their wireless network capacity and succeed in attracting high-ARPU corporate customers, please visit www.intracom-telecom.com or contact us at [email protected]. About INTRACOM TELECOM INTRACOM TELECOM is an international telecommunication systems vendor operating in Eastern Europe, the Middle East & Africa, Russia, the CIS and Asia-Pacific. Over 100 customers in more than 50 countries choose INTRACOM TELECOM for its state-of-the-art products and solutions. INTRACOM TELECOM has 2,300 employees, operates subsidiaries in 16 countries and is amongst the largest European companies leading in R&D investments. Since June 2006, INTRACOM TELECOM has been controlled by JSC SITRONICS (Russia) with 51%. JSC SITRONICS is the technology subsidiary of JSFC SISTEMA, the largest public diversified corporation in Russia and the CIS. INTRACOM HOLDINGS Group (Greece) retains a 49% stake. INTRACOM TELECOM 19.7 km Markopoulou Ave., Peania, Athens, GR 19002 tel.: +30 2106671000 | fax: +30 2106671001 www.intracom-telecom.com All information contained in this document is subject to change without prior notice. © 2011 INTRACOM S.A. TELECOM SOLUTIONS