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| title: Topology and Communication General Concepts |
| --- |
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| |
| Before you configure your <%=vars.product_name_long%> members, make sure you understand the options for topology and communication. |
| |
| - **[Topology Types](topology_types.html)** |
| |
| The <%=vars.product_name_long%> topology options allow you to scale horizontally and vertically. |
| |
| - **[Planning Topology and Communication](member_communication.html)** |
| |
| Create a topology plan and a detailed list of machines and communication ports that your members will use. Configure your <%=vars.product_name_long%> systems and the communication between systems. |
| |
| - **[How Member Discovery Works](how_member_discovery_works.html)** |
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| <%=vars.product_name_long%> provides various options for member discovery within a cluster and between clients and servers. |
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| - **[How Communication Works](how_communication_works.html)** |
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| <%=vars.product_name%> uses a combination of TCP and UDP unicast and multicast for communication between members. You can change the default behavior to optimize communication for your system. |
| |
| - **[Using Bind Addresses](using_bind_addresses.html)** |
| |
| You use a bind address configuration to send network traffic through non-default network cards and to distribute the load of network traffic for <%=vars.product_name%> across multiple cards. If no bind address setting is found, <%=vars.product_name%> uses the host machine's default address. |
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| - **[Choosing Between IPv4 and IPv6](IPv4_and_IPv6.html)** |
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| By default, <%=vars.product_name_long%> uses Internet Protocol version 4 for <%=vars.product_name%> address specifications. You can switch to Internet Protocol version 6 if all your machines support it. You may lose performance, so you need to understand the costs of making the switch. |
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