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HOME > PRODUCTS > InstantQoS Scenario
InstantQoS Scenario

      In the current Internet, users access the Internet by subscribing to services from Internet Service Providers (ISPs). With dial-up/xDSL/cable modems or routers, subscribers can obtain Internet connectivity. However, the narrow access links become the bottlenecks and prevent subscribers from having good application performance.


For a home subscriber, a background HTTP download transfer can cause an annoying delay to the interactive Telnet application. For small office/home office (SOHO), small/medium business (SMB), and enterprise subscribers, background FTP sessions may block mission-critical traffic, such as voice over IP (VoIP) and enterprise resource planning (ERP) traffic. Such conditions require a bandwidth manager deployed at each link between (B) and (C) in the figure to allocate bandwidth for interactive or delay-sensitive applications within the link. On the other hand, an ISP shares its backbone resources among its subscribers (including the last-mile or data-center subscribers in the figure). Some subscribers may over-subscribe the access link and thus influence the performance of other subscribers, so an ISP may also need a bandwidth manager between the router and the switch at (A) in the figure to fairly distribute its resources among the subscribers. Given that network-wide, end-to-end QoS architectures such as DiffServ are still being debated, edgebased managers are needed to at least control the traffic within each subscribed last-mile access link (customer-side edges) or among many subscribed access links (ISP-side edges).

DSL/FTTH Providers:
      Maximize Profits & Minimize Theats/TCO

      Broadband networks are rapidly evolving from best-effort delivery to policy-based delivery that enables a blend of voice, video and data on a converged network. Since application and service types have unique traffic characteristics and network requirements, policy-based delivery requires accurate Layer 7 identification to apply application-specific QoS policies for a positive subscriber experience. For example, VoIP traffic whether a service provider or VoIP provider or chat service, benefits from a higher QoS than bandwidth-intensive applications such as file-sharing that frequently degrade voice service quality. Policy-based delivery is becoming more critical as DSL and FTTH speeds increase. The subsequent increase in bandwidth-intensive applications further contributes to dynamic and unpredictable network conditions.

DSL/FTTH Providers rely on L7 InstantQoS to:
See who's using the network for what.
Implement fair-use policies that prevent network congestion.
Prioritize services and guarantee bandwidth for their delivery.
Effectively control P2P traffic.
Establish tiered service and billing plans.
Ensure quality performance of premium services.
Analyze usage trends, per application and per subscriber.
Protect the network from viruses/worms, DoS/DDoS attacks, and bandwidth abusers.
Identify and resolve problems quickly.
Contain infrastructure costs.
      As voice revenues continue to decline, telecom carriers are transforming themselves into a one-stop shop for personalized applications and triple-play bundles of voice, data and video services. This creates dynamic and often extreme demand on broadband resources. In this environment, L7's DPI-based visibility and QoS control is the key to meeting customer demands for consistent and dependable service, while ensuring that network bandwidth is apportioned cost-effectively to every subscriber. L7's solution portfolio allows carriers and DSL providers to accurately monitor all of the traffic and applications traversing their broadband pipes, and to apply policy-based control to guarantee that service-level agreements are enforced from end to end across the network.





Cable Providers:
      Maximize Profits & Minimize Theats/TCO

      Cable operators are successfully expanding their business well beyond television distribution to include broadband Internet services and more recently voice services. Like their telecom competitors, cable companies are gearing up to offer a triple-play package of data, voice and video to their customers. Delivering high quality triple-play services to a rapidly growing customer base brings many challenges particularly with a shared access network.

Cable Providers rely on L7 InstantQoS to:
See who's using the network for what.
Implement fair-use policies that prevent network congestion.
Prioritize services and guarantee bandwidth for their delivery.
Effectively control P2P traffic.
Establish tiered service and billing plans.
Ensure quality performance of premium services.
Analyze usage trends, per application and per subscriber.
Protect the network from viruses/worms, DoS/DDoS attacks, and bandwidth abusers.
Identify and resolve problems quickly.
Contain infrastructure costs.
      Cable TV and set-top boxes currently dominate the typical home entertainment network. In recent years, the introduction of cable modems has added broadband Internet access and VoIP to the cable operator's Pay TV service. InstantQoS solutions help cable operators to identify, prioritize and manage traffic across their entire network to ensure a consistent high quality experience for their subscribers.





Wireless Providers:
      Maximize Profits & Minimize Theats/TCO

      Wireless service providers are poised for tremendous growth as subscribers begin eagerly embracing mobile services into work, home and play. Service providers are responding with aggressive rollouts of 3G and 3.5G networks, along with new service menus offering unlimited flat-rate data plans, and new smart phones that deliver mobile broadband services with the same quality user experience that subscribers have grown accustomed to, at home and in the office.
      WiFi and WiMax are emerging as critical wireless technologies delivering affordable services to both residential and business customers. Subscribers are discovering the incredible personal and professional benefits of simplified network access across major urban areas. Success of these new services hinges upon a positive online experience, so that subscribers grow increasingly confident relying on wireless services as they do with wireline services. Service providers are therefore taking visible steps to ensure consistent service quality throughout their network.
Wireless Providers rely on L7 InstantQoS to:
Optimize oversubscription.
Implement fair-use policies that prevent network congestion.
Prioritize services and guarantee bandwidth for their delivery.
Effectively control P2P traffic.
Establish tiered service and billing plans.
Guarantee VoIP service over both wireless and wireline networks.
Analyze usage trends, per application and per subscriber.
Protect the network from viruses/worms, DoS/DDoS attacks, and bandwidth abusers.
Identify and resolve problems quickly.
Contain infrastructure costs.
      As mobile and WiFi/WiMax operators expand their service offerings, InstantQoS solutions enable the delivery of consistent high-quality services, while optimizing the use of the valuable radio spectrum.





Campus Networks:
      Shaping Evil Traffic, Optimize Vital Services

      Universities and other educational institutions are finding it harder and harder to keep up with the bandwidth demands of faculty and students while remaining within their IT budget. Popular P2P activity consumes more and more bandwidth, while critical academic and administrative applications have to compete for their share of the broadband. That's why so many universities rely on L7's solutions to show them exactly how the network is being used and how to control it.

IT managers in universities rely on L7 InstantQoS to:
See who's using the network for what.
Implement fair-use policies that prevent network congestion.
Prioritize services and guarantee bandwidth for their delivery.
Effectively control P2P traffic.
Establish tiered service and billing plans.
Ensure quality performance of premium services.
Analyze usage trends, per application and per subscriber.
Protect the network from viruses/worms, DoS/DDoS attacks, and bandwidth abusers.
Identify and resolve problems quickly.
Contain infrastructure costs.





Enterprise Networks:
      Blocking Evil Traffic, Optimize Vital Services

      Enterprise IT organizations the world over are constantly challenged to provide more applications, services and performance without going over budget for bandwidth and infrastructure upgrades. From real-time Webinars - to WiFi hot spots in conference rooms - to accelerating the performance of mission-critical ERP and CRM applications, enterprise WANs rely on L7's DPI and QoS capabilities to manage their broadband resource cost-effectively, and to ensure quality of experience for every user.
Enterprise IT administrators rely on L7 InstantQoS to:
See who's using the network for what.
Implement fair-use policies that prevent network congestion.
Prioritize services and guarantee bandwidth for their delivery.
Effectively control P2P traffic.
Establish tiered service and billing plans.
Ensure quality performance of premium services.
Analyze usage trends, per application and per subscriber.
Protect the network from viruses/worms, DoS/DDoS attacks, and bandwidth abusers.
Identify and resolve problems quickly.
Contain infrastructure costs.





Government/Military Networks
      Blocking Evil Traffic, Optimize Vital Services

      L7's solutions helps government networks balance their needs for speed, security, reliability and performance. Through interconnected IP networks, city, state and federal governments are making their services and systems available online as they continue to support and expand intra-department communications. With millions of users located the world over, government WANs rely on L7's solutions for a cost-effective way to monitor network use, to ensure that real-time services such as VoIP do not consume excessive bandwidth, and to secure it against a diverse set of potential threats and abuse.
Government IT administrators rely on L7 InstantQoS to:
See who's using the network for what.
Implement fair-use policies that prevent network congestion.
Prioritize services and guarantee bandwidth for their delivery.
Effectively control P2P traffic.
Establish tiered service and billing plans.
Ensure quality performance of premium services.
Analyze usage trends, per application and per subscriber.
Protect the network from viruses/worms, DoS/DDoS attacks, and bandwidth abusers.
Identify and resolve problems quickly.
Contain infrastructure costs.