5 Advantages and Disadvantages of Static Routing | Drawbacks & Benefits of Static Routing

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11.02.2020

5 Advantages and Disadvantages of Static Routing | Drawbacks & Benefits of Static Routing


5 Advantages and Disadvantages of Static Routing | Drawbacks & Benefits of Static Routing
Static Routing is a technique where a router configures the routing manually instead of dynamic routing. These types of configurations does not change itself after configuration unless they are changed by a human.
 
Furthermore, entries are added into the routing table by a network administrator so that they can posses static routes as well as routes understood dynamically. In fact all the updates and other maintenance of a static routing is taken care by a network administrator. 
 
Al though static and dynamic routing are not made mutually exclusive, their overall purpose of using the router remains the same. They enhance the efficiency of routing and also provide backups in the event of emergency. It is mostly preferred when the routers in the routing table fails to match the final destination of packet IP addresses. Compared to a dynamic routing technique, static routing does contain certain benefits and drawbacks. 

 
In this article, I will be concentrating on 5 Advantages and Disadvantages of Static Routing | Drawbacks & Benefits of Static Routing. Through this post, you will know the pros and cons of using Static Routing.
 
Let's get started,
 

Advantages of Static Routing

 
1. Predictability
 
The path that static routing takes to the destination is very predictable. Even if there is a change in the network design and layout, there won't be any changes in the router. The users always know where the path is going to be.
 
 
2. Network Overheads
 
Unlike dynamic routing, static routing does not contain any overheads ; almost zero. Therefore, routers and network links don't get overhead imposing. 
 
 
3. Configurations
 
Configuring networks those are small is relatively easy compared to a large network. The network administrator only has to apply changes to each router so that they can reach to their respective network segments. These network segments are not directly attached to the router.
 
 
4. Resource Requirement
 
Static routing requires very less number of resources. Extra resources such as CPU and memory are not needed here.
 
 
5. Bandwidth
 
Static routing does not use any CPU cycles for the communication purposes. Hence, it impose less load on the router CPU. This makes them consume less bandwidth compared to a dynamic routing protocol.

Disadvantages of Static Routing

 
1. Maintenance
 
Configurations of network is only easier when the network is small, whenever the size increases the complexity grows as well. Especially the static configurations contains large number of routes which can take tremendous amount of time to manage.
 
 
2. Updates
 
Not only maintenance, updating routes in a large network are known to be a complicated process. Routes needed to be updated individually as well as in the correct order. If in case the routes are updated in the wrong order, there would be problems in the internet access.
 
 
3. Redundancy
 
In the event of a failure, there is no automatic updating in static routing. Users have to adjust routes manually so that the data flows through an alternative path.
 
 
4. Input Errors
 
Static routing is vulnerable to input errors since they are configured manually. Errors can probably appear as a result of a mistake. Network administrators can do mistakes in configuring routing paths or network information.
 
 
5. Protocol Support
 
Routing protocols lacks the freedom of independence when working with static routes. It always provides gives less preference with routes those are configured with dynamic routing protocol.

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