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F5 BIG-IP Link Controller
Take Control of Multiple ISP Connections


F5 BIG-IP Link Controller

F5 Networks Products
BIG-IP Products
F5 BIG-IP Link Controller
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Overview:

What’s Inside

  • Reliable Network Connectivity
  • Better User Experience
  • Lower ISP Costs

Your ISP connections are your link to the outside world. Having multiple connections can increase availability and performance, but managing multiple links can be difficult.

BIG-IP Link Controller puts the management of these links under your control. It monitors the performance and availability of each link and directs connections—both inbound and outbound—over the best possible link. It also improves application performance by prioritizing and optimizing traffic. BIG-IP Link Controller gives you the tools to direct traffic over the most cost-effective connections first so you can keep your ISP costs at a minimum.

The result is more effective use of multiple ISP connections for greater reliability, better performance, and lower costs.

Key Benefits

Eliminate downtime caused by link and ISP failures
Monitor the health and availability of each connection to dynamically direct users around ISP outages.

Improve application performance
Route users over the best link and optimize the connection to provide the best application experience.

Control ISP costs
Aggregate inexpensive links and create policies to control your bandwidth costs.

Better together

F5’s products, technologies, and solutions work together to make sure your applications are always protected and work the way they should. Extend the effectiveness of BIG-IP Link Controller by combining it with the following products.

  • BIG-IP Local Traffic Manager (LTM)
    Provides intelligent traffic management as well as advanced application security, acceleration, and optimization.
  • BIG-IP DNS
    Directs users to the best-performing data center to optimize app performance. Secures your infrastructure and keeps apps online during high query volumes and distributed denial-of-service (DDoS) attacks.

Reliable Network Connectivity:

BIG-IP Link Controller dynamically distributes traffic to ensure that your business is always connected.

Comprehensive link monitoring

With a comprehensive view into the health and throughput of links going through the gateway router, BIG-IP Link Controller provides visibility into the bandwidth and capacity of any given link.

High availability

BIG-IP Link Controller combines multiple monitors to quickly and accurately determine the health and availability of every link. If a problem is detected, traffic can be rerouted to other available links, maintaining client connectivity without incurring the costs of downtime.

Programmable link routing with iRules

Using the F5 iRules scripting language, you can intelligently route traffic over multiple WAN links, based on TCP/IP parameters such as source IP address, destination IP address, and port. With iRules, you can define policies to distribute traffic over the best performing links based on application type, quality of service, and client types, improving application performance and user experience.

Better User Experience:

BIG-IP Link Controller routes users over the best link and optimizes the connection to provide a better application experience.

Best performing link

Using round-trip time and line quality calculations, BIG-IP Link Controller tests which connection will provide the best service for each user, and then it directs the user to that link. This ensures the fastest possible service and highest quality connections.

Link capacity and throughput

You can use BIG-IP Link Controller to define and control how traffic is distributed across links based on real-time traffic flows and throughput. This increases application performance and available bandwidth while removing the risk of saturating any one link. When a link nears its capacity, traffic is shifted to less congested links, boosting overall site performance.

Integrated rate shaping

BIG-IP Link Controller gives you a powerful way to classify and prioritize application traffic on WAN links to use bandwidth more efficiently. Rate shaping enables you to define traffic and application limits, control the rate at which those resources are allowed to spike or burst, use queuing to prioritize traffic types, and define relationships where certain traffic types can borrow from other types. With quality of service (QoS) and terms of service (ToS), you can identify critical traffic or applications for special handling by upstream routers. This ensures that high-priority traffic is routed first.

Topology-based routing

BIG-IP Link Controller can accurately determine the location of users and route traffic over the desired link based on pre-defined policies. This lets you choose the best performing link based on location, while avoiding inter-ISP routing issues that can result in high latency and poor performance.

Optimized TCP performance

TCP protocol inefficiencies can cause unnecessary chattiness. BIG-IP Link Controller leverages TCP Express to overcome TCP protocol inefficiencies. This gives you the ability to completely fill the pipe over long distances for lower bandwidth bills and prioritize bandwidth availability for mission-critical applications.

Compression

Compression enables fewer bytes and data, reduces WAN link bandwidth, and removes bottlenecks for faster application delivery. Granular control of link bandwidth utilization for different connection types results in an improved client experience, with more efficient WAN link administration and improved productivity. You can configure the compression engine based on document type, traffic type, and network conditions such as round-trip time.

Lower ISP Costs:

Control your ISP costs with BIG-IP Link Controller.

Bandwidth scalability

Regardless of the link type or provider, BIG-IP Link Controller can aggregate small, inexpensive lines to lower bandwidth costs and minimize the money spent on dark fiber or unused standby lines.

Link cost load balancing

BIG-IP Link Controller gives you the ability to define the cost of each connection and the billing scheme, and then it will automatically direct traffic based on your criteria. This enables you to define policies that direct traffic over the least expensive link or maximize bandwidth across different connections to eliminate bandwidth bottlenecks and minimize inefficient bandwidth.

Note: BIG-IP Link Controller and link load balancing currently not available in the United States of America.

Eliminates barriers of multi-homing with BGP

BIG-IP Link Controller eliminates deployment barriers and reduces the cost of multi-homing via Border Gateway Protocol (BGP). You can direct traffic over the best route without purchasing larger routers, coordinating with ISPs, or obtaining specialized staff and IP addressing to run BGP.

Platforms:

BIG-IP Link Controller Platform

BIG-IP Link Controller is available on the BIG-IP 2000S platform. It is available as an add-on module for BIG-IP Local Traffic Manager (LTM) on any BIG-IP hardware platform.


BIG-IP 2000S Series Appliances

Services:

F5 Global Services

F5 Global Services offers world-class support, training, and consulting to help you get the most from your F5 investment. Whether it’s providing fast answers to questions, training internal teams, or handling entire implementations from design to deployment, F5 Global Services can help ensure your applications are always secure, fast, and reliable.

Documentation:

Download the F5 BIG-IP Link Controller Datasheet (.PDF)

Pricing Notes:

F5 Networks Products
BIG-IP Products
F5 BIG-IP Link Controller
Contact us for Pricing!