Direct Server Return

Storage

How to load balance a MariaDB Galera Cluster for performance and HA using LVS & Ldirectord

While a single MariaDB server might suffice for your application's backend, a MariaDB Galera Cluster offers significant advantages, making it a far superior solution...

Nick Hawkins-Booth

• 17 mins

Direct Server Return

The complete guide to Layer 4 load balancing: How it works, when to use, and how to configure

Layer 4 load balancing is a quick way of distributing application or network traffic across multiple servers...

Damian Pacuszka

• 16 mins

How to overcome the peculiarities of load balancing Cisco ACI environments

A customer was having challenges deploying load balancers in their Cisco ACI environment. So we set to work finding a solution...

Greg Ashwell

• 7 mins

Comparisons

Compare Layer 4, 7, and Global Server Load Balancing (GSLB) techniques

The first question we always ask our customers is: "are you looking for performance, reliability, maintainability — or all three?"..

Dave Saunders

• 9 mins

Direct Server Return

Achieving unrivaled performance with media and video streaming on demand

For the uninitiated, layer 4 DR mode is a high performance load balancing method available on our appliances. It works by having all response traffic flow from the servers straight back to the clients...

Andrew Howe

• 4 mins

Performance

Layer 4 vs Layer 7 load balancing - we still love DSR, but…

Direct server return, direct routing - no matter what you call it, using DSR maximises the throughput of return traffic and allows for near endless scalability. Here's why we still love it...

Andrew Howe

• 3 mins

Direct Server Return

15 years later, we still love DSR: Why Layer 4 DR mode rocks

For the uninitiated, Direct Server Return is a clever trick which entails directly routing packets to the chosen real server...

Andrew Howe

• 3 mins

Direct Server Return

Why Direct Server Return (DSR) is simply awesome

Direct Server Return (DSR) is my favorite way to load balance application servers because it’s simple, transparent, and super fast...

Aaron West

• 5 mins

Direct Server Return

Yahoo’s L3 Direct Server Return (DSR), an alternative to LVS-TUN, explored

L3 DSR is an alternative technique to achieve direct server return at Layer 3. Instead of using an IPIP tunnel like LVS-TUN it changes the destination IP address like LVS-NAT when sending the traffic to the real server...

Aaron West

• 6 mins

Direct Server Return

Layer 4 Direct Routing (LVS-DR) and Layer 4 TUN (LVS-TUN) in AWS

LVS-DR and LVS-TUN are both forms of Direct Server Return where the load balancer only has to deal with one half of the connection...

Aaron West

• 6 mins

Direct Server Return

Load balancing via Direct Routing has several key advantages over NAT based methods

One of the (many) traditional problems with load balancing is the requirement to change your infrastructure in order to implement a hardware load balancer...

Malcolm Turnbull

• 2 mins

Direct Server Return

Direct Routing aka. Direct Server Return — How to solve the ARP problem on Windows Server 2022

Direct Routing aka. Direct Server Return (DSR) aka. N-Path is a great load balancing method. And it is, without doubt, the fastest method possible...

Malcolm Turnbull

• 5 mins