Peplink Load Balance Algorithms

Published On 19 Oct 2020


Peplink can communicate over more than one line in accordance with the concept of “WAN Virtualization” introduced by SD-WAN technology. In addition, Peplink has numerous traffic management tools that can manage these multiple WAN traffic.

Peplink’s algorithms; It offers SD-WAN-like flexibility, helping to determine how all traffic will be distributed between these connections, without the hassle of VPN-like connections. Numerous policies offer options that can meet all possible specific needs. The network administrator just needs to set the traffic rule and Peplink will take care of the rest. Algorithms are specified with their original names in terms of meaning integrity.

Weighted Balance (Distribution by Weight Values)

This algorithm is based on sending more traffic to the high speed line and less traffic on the lower speed line.

A weight value is determined for each WAN line, and the total traffic is distributed to the lines according to these weight values.

Priority (Priority Line)

In this algorithm, the lines are arranged in a certain priority order. Routed traffic will always prefer the highest priority line. A lower priority line is activated only when the active line is inactive.

Overflow (Non-Condensed Line)

It is an algorithm that can be used especially in the negativities caused by the density of the lines. Accordingly, the lines are again lined up in a priority order and traffic starts to flow to the highest priority line. If this line is saturated, the lower priority line is activated and continues to transfer traffic.

Persistence (Session Based Line Selection)

It is an algorithm that can be used especially in HTTPS, internet banking and other places that require secure access. Accordingly, after a connection is made, it continues over the connection with the same source or destination IP address until that session is concluded. In other words, traffic goes on the same line until the session is concluded. A different line can be used in the next session.

Least Used (Least Used Line)

In this algorithm, the bandwidth usage of the lines is monitored by Peplink; new traffic is directed to the least used line within the selected lines.

Lowest Latency (Line Delay)

In this algorithm, Peplink monitors the delay values ​​of the selected lines and sends each new traffic from the line with the lowest delay value at that time.

Enforced (Fixed Line)

It is based on always using the same line for the specified connection. Whether that line is up or down, traffic is always directed there. It is especially used where a certain server needs to be reached from a specific IP address.

Fastest Response Time (The Fastest Response Time)

It is based on selecting the line with the fastest response from the target machine. Accordingly, the traffic to be sent at the beginning of the session is sent to the destination simultaneously from all selected lines. The line with the fastest response is selected for that session and this line is used until the session is concluded.

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