Knowledge Base | Load Balancing/Routing

Microsoft Exchange 2013 Architectures

Microsoft Exchange 2013 Architectures

Introduction to Microsoft Exchange 2013 There are 2 types of server in Exchange 2013: * Mailbox server * Client Access server Definitions from Microsoft Technet website: * The Client Access server provides authentication, limited redirection, and proxy services, and...

Microsoft Exchange 2013 Load Balancing with HAProxy

Microsoft Exchange 2013 Load Balancing with HAProxy

Introduction to Microsoft Exchange server 2013 Note: I'll introduce exchange from a Load-Balancing point of view. For a detailed information about exchange history and new features, please read the pages linked in the Related links at the bottom of this article....

Websockets Load Balancing with HAProxy

Websockets Load Balancing with HAProxy

Why Websocket ??? HTTP protocol is connection-less and only the client can request information from a server. In any case, a server can contact a client... HTTP is purely half-duplex. Furthermore, a server can answer only one time to a client request. Some websites or...

Microsoft Terminal Server / RemoteApp Load Balancing

Microsoft Terminal Server / RemoteApp Load Balancing

Synopsis You need to load-balance Microsoft Terminal Services or remoteapps. Both of them use the RDP protocol. One main issue when using RDP is to be able to stick a user to a server. The configuration below shows you how you can build outage-free Terminal server...

Layer 7 Load Balancing Proxy Mode

Layer 7 Load Balancing Proxy Mode

This mode is sometimes called reverse-proxy. The load-balancer is in the middle of all transactions between the user and the server. It maintains two separated TCP connections: One with the user: the load-balancer acts as a server. It takes requests and forward...

Layer 7 Load Balancing Transparent Proxy Mode

Layer 7 Load Balancing Transparent Proxy Mode

The load-balancer is in the middle of all transactions between the user and the server. It maintains two separated TCP connections: With the user: the load-balancer acts as a server. It takes requests and forward responses With the server: the load-balancer acts as a...

Layer 4 Load Balancing NAT Mode

Layer 4 Load Balancing NAT Mode

NAT stands for Network Address Translation. In the NAT mode, the load-balancer will route traffic between user and server by changing destination IP address of the packets. TCP connection overview TCP connection is established between the client and the server. The...

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