The so-called boundary routing is to regard standard routing software as n-way local routing, and expand the local domain network part in the software to the wide domain network. This will result in a completely new set of routing software features for the remote router.
In other words, boundary routes are viewed as a single system by treating central and remote devices, and this innovation that solves the routing problem provides all the advantages of configuring only a single interface, which is very similar to a central device in a centralized backbone LAN environment, but in a large WAN network. Because there is little need to configure the WAN port of the center or remote router, management complexity is reduced.
Software innovation of border routing adds advantages such as simplicity and cheapness to the hardware advantages related to access routers, but it does not limit the choice of routing protocols at remote points.
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Data compression, which allows for greater information flow on low-speed lines and greatly reduces WAN costs.
· Service class, realizes data priority to accelerate the processing of key applications.
Flexible filtering can be set to provide network security and traffic control.
· Switched line support, including support for frame relay, ISDN, dialing lines and X.25, to reduce the cost of remote office WAN connections.
· Failure recovery capability, dialing backup can be provided when the router detects a main line fault.
· Powerful network management based on the proxy identification of the entire system.
Border routing technology reduces the cost of purchasing equipment by integrating most router operations, enabling several fully functional routers in the central office to provide services to low-cost routers on the network peripherals.
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Article entry: csh Editor in charge: csh