FAQ Gateway Routing Support
Gateway Routing Support
The Gateways provide several different methods of internally routing the data from one address to another address. The addresses can be on any port using any supported protocol. The assignment of each address is defined through the Configuration Menu. Any specialized routing of the addresses is also defined through the menus.
Static Routing
All of the Gateways use static routing as the default. This type of routing uses the information in the routing table defined through the Configuration Menu to implement the connection between addresses. The assignments stay in effect until a new configuration file is transferred to the Gateway. The Gateway provides the flexibility to split the address routing. For example, the output of one address can be routed to another address and the response can be directed to yet another address.
Selectable Routing
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Routing Type |
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Data received on one address can be simultaneously transmitted to several different addresses. This capability allows data to be duplicated for updating several systems at once. The Gateways can convert the data to many different protocols or formats as it is being broadcasted. |
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Data from several addresses to be interleaved to a single address. One usage of this function is consolidating several serial data streams into one TCP/IP stream. |
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The Gateway will maintain open connections across several addresses. If the primary connection fails, then the Gateway will automatically send the data to the next address defined in the Fall-Back Routing Table. When the first address reconnects, then the Gateway will resume the original connection routing. The Configuration Menus allow the selection of the conditions that implement the fall-back and recovery of the original connection. One usage of this function is supporting several TCP/IP Servers to maintain maximum availability. |
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Data can be sequentially or dynamically routed to an open address to minimize queuing delays. The data is sequentially transmitted through a set of defined addresses. This routing allows the data to be split between several systems. If one system is not available, the data is automatically sent to the other available ports. |
Several different methods can be combined to meet an installation's unique requirements. For example, Connection and Fall-Back can be combined so that the fall-back addresses are defined by the Connection Routing list. An example of multiple routing is available here.
Dynamic IP Routing
The Gateways support RIP, OSPF and BGP routing for TCP/IP data. The support for these routing protocols is part of the definition of the Gateway's TCP/IP protocol stack. This type of routing uses special routing information protocols to automatically update the routing table with routes known by peer routers. With the correct software level and proper configuration, the Gateway can provide IP routing and co-exist in a network that uses these protocols. RIP, OSPF and BGP routing are the industry-standard and supported by other vendor's equipment.
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