Barracuda Link Balancer Overview

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Barracuda Link BalancerOverview
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Introduction to the Barracuda Link Balancer

• Provides Internet WAN and link load balancing
• Easily distribute traffic among multiple links to
  the Internet
• Connect DSL, Cable, T1/T3s to the same or
  different ISPs
• Plugs into existing network infrastructure
• Supports up to 6 Internet links

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Challenges

• Single Internet link (Leased T1/T3)
• Bandwidth is expensive
• If ISP link is down, Internet is down
• Low service reliability
• User productivity loss
• Adding Bandwidth without intelligent management
  is ineffective

• Requirement
• Aggregate Internet links (cable, xDSL)
• Not bound to a single Internet connection
• Maximize link throughput
• Increase service reliability
• Maximize user productivity
• Optimize Bandwidth utilization

corporate network
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Barracuda Link Balancer Features

• Deployment
• Web based configuration
• Deployed stand-alone or with existing Firewall
• Link balancing
• Internet connection balancing
• Internet link health checking and failover
• Link speed assignment/dynamic link speed support
• Inbound Link Balancing and failover through
  Authoritative DNS
• Security
• DDOS protection
• Traditional Firewall capabilities like ACL, 11
  NAT, Port Forwarding
• Bandwidth management
• Bandwidth Monitoring
• Quality of Service (QoS) control to prioritize
  applications
• Network services
• Site-to-site VPN
• DHCP, DNS caching services

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Barracuda Link Balancer Benefits
AGGREGATES MULTIPLE INTERNET LINKS
IMPLEMENTS PERIMETER SECURITY
ENABLES TRANSPARENT INTERNET LINK FAILOVER
MANAGES BANDWIDTH
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Barracuda Link Balancer Benefits
AGGREGATES MULTIPLE INTERNET LINKS
IMPLEMENTS PERIMETER SECURITY
ENABLES TRANSPARENT INTERNET LINK FAILOVER
MANAGES BANDWIDTH
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Barracuda Link Balancer Benefits
AGGREGATES MULTIPLE INTERNET LINKS
IMPLEMENTS PERIMETER SECURITY
ENABLES TRANSPARENT INTERNET LINK FAILOVER
MANAGES BANDWIDTH
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Barracuda Link Balancer Benefits
AGGREGATES MULTIPLE INTERNET LINKS
IMPLEMENTS PERIMETER SECURITY
ENABLES TRANSPARENT INTERNET LINK FAILOVER
MANAGES BANDWIDTH
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Barracuda Link Balancer Benefits
AGGREGATES MULTIPLE INTERNET LINKS
IMPLEMENTS PERIMETER SECURITY
ENABLES TRANSPARENT INTERNET LINK FAILOVER
MANAGES BANDWIDTH
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Deployment modes

• Replace existing Firewall
• Provide default gateway
• Simple firewall, port forwarding and NAT rules
• Local network services, such as DHCP and DNS
• Transparently with existing firewall
• Pass through VPN tunnels
• No need to modify existing firewall rules
• Turns existing edge network devices WAN link to
  High Availability

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Model Comparison
Feature 230 330 430
Internet Link Connections 2 3 6
Link Balancing ? ? ?
Link Health Checking ? ? ?
Link Failover ? ? ?
Traffic Aggregation ? ? ?
Network Traffic Firewall ? ? ?
Local DHCP and DNS ? ? ?
Traffic Monitoring ? ? ?
SNMP ? ? ?
Site-to-Site VPN ? ? ?
Bandwidth Management and QoS ? ? ?
Customizable Branding ?
API ?
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Immediate Return on Investment
Monthly prices of DSL vs. Leased lines
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