IPv6 is the next generation Internet Protocol (IP) address standard intended to supplement and eventually replace IPv4, the protocol many Internet services still use today. Every computer, mobile phone, home automation component, IoT sensor and any other device connected to the Internet needs a numerical IP address to communicate between other devices. The original IP address scheme, called IPv4, is running out of addresses due to its widespread usage from the proliferation of so many connected devices.
advantage IPV6
- Efficient Routing
In IPv6 the size of the routing table is reduced to an extent that hierarchical address allocation is created for providing efficient routing. And also fragmentation is done using a source device instead of a router. Therefore, a protocol known as Maximum Transmission Unit (MTU) is used for path allocation.
- Directed Addressing
IPv6 uses multicast addressing instead of broadcast. In here large data packets are sent across various directions simultaneously. Hence, network bandwidths are conserved significantly.
- Increased Capacity
Since IPv6 is based on 128 bit addressing scheme, it provides more address space compared to a standard IPv4 addressing. The length of the network and host components are doubled. Even if there are more web addresses, it can be easily accommodated because the resources are allocated efficiently.
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disadvantage IPV6
- System Issues
Depending on the type of system, you have to enable IPv6 routing. If it is enabled manually, the IP needs to be typed. Besides that the IP address needs to be remembered too. This task isn't easy since the IP address involves large letters and numbers.
- Topology Support
When the IPv6 protocol is used, it is difficult to fix prefixes on most of the topology drawings. This is because of the extra space that IPv6 module is equipped with.
- Device Upgrade
Many of the networking devices on default are not designed for IPv6 adoption. Even if the devices are updated regularly. This is not easy since it requires expert opinion to make the transformation seamless.
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