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Virtual Leased Line

by Mushroom Network, Canada
Virtual Leased Line

The Virtual Leased Line (VLL) provides secure, fast and reliable office to office VPN connectivity between multiple locations via creating an IP tunnel that uses the bonded Internet access lines available on each side. VLL can enable a bonded Internet pipe between two office locations or between the office and its Internet Data Center via the Truffle customer premise equipments installed at the end-points. VLL can bond any type of Internet access line from any service providers including DSL, Cable, T1, E1, MPLS etc. without requiring any coordination with the ISPs. VLL IP tunnel supports star and mesh topologies for office to office VPN.

Virtual Leased Line provides a quick Return on Investment (ROI) and lower operating expenses as an alternative to T1 based point to point leased lines. VLL IP tunnel can be used in conjunction to MPLS or as an alternative to MPLS. The total subscription costs of multiple broadband Internet access lines are often substantially less than a single high-speed Internet access line of equivalent bandwidth. The payback period on the investment is often measured in months.


Aggregated Point-to-multipoint Capacity - Truffle can peer over the Internet with other Truffle devices that has VLL server license (such as a head-quarter office and the branch offices) to create an IP tunnel for office to office VPN. In this peered mode, all uplink and downlink traffic between the head-quarter office and branch office/colo location(s), including VPNs, will use the aggregated bandwidth of the combined Internet access links.

Link failure recovery - In case of Internet access line failures in one of the Internet access lines within the IP tunnel, Virtual Leased Line (VLL) recovers the ongoing session by redistributing the load over the available access lines, even for the sessions in progress, without loss of data integrity. This means your office to office VPN will be kept alive even during individual WAN failures.

Improved network reliability - Automatic failover protects against failures of one or more access link outages, as it will not cause failure of the aggregated access link as long as at least one access link is still active, resulting in less downtime for the connection between BBNA devices.

Transparent Installation - The existing Local Area Network in the head-quarter office or the branch office/colo does not require any changes. All the installation and configuration is handled through the BBNA user interface.

No coordination with ISP - No new equipment or software is necessary from the Internet Service Provider(s). A user-friendly web-based management interface is provided for quick and easy configuration and system monitoring.

Advanced QoS algorithms - All traffic routed through the TRUFFLE BBNA is intelligently managed to prioritize real-time traffic. Additionally a unique set of proprietary algorithms are implemented to improve traffic latency metrics.

DNS load balancing for inbound requests - TRUFFLE BBNA can be easily configured to provide Dynamic DNS load-balancing for inbound requests for internally hosted servers such as web-server, ftp-server, mail-server etc.

Additional features include: DHCP server (can be turned off), state-full firewall (can be turned off), port forwarding, DMZ, UPnP support and others

For details please Contact Us
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