6/11/2023 0 Comments Redundancy in network topology![]() Network redundancy is a simple concept to understand. All networks need redundancy for enhanced reliability and this is achieved through reliable equipment and network designs that are tolerant to failures and faults and networks should be designed to reconverge rapidly so that the fault is bypassed. The goal of redundant topologies is to eliminate network downtime caused by a single point of failure. ![]() With redundant CPU cards, you can force a failover to one card while you upgrade the second one, instead of having to bring the whole router down for the upgrade. First, make sure there's redundancy within your core router redundant CPU cards, power supplies and fans usually can be added to chassis-based routers and switches, and some router and switch vendors have equipment with dual backplanes. What if that link went down? How would you continue your operations if it did?Īdding redundancy is the most common way to increase your uptime. A simple scenario would be if you had a single T1 connection from your core site to each remote office or branch office you connect with. ![]() Common to most Wide Area Network (WAN) designs is the need for a backup to take over in case of any type of failure to your main link. Today’s networks are high-tech and most times high speed.
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