Virtual Private Network (VPN) is not a completely safe, secure and guaranteed technology. However, it also has some issues or issues behind it. In reality, VPNs are not perfect and have some limitations. In a VPN environment like IPsec, it is very problematic to find MTU and fragmentation issues and due to this the VPN encounters performance and operation issues. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an original essayThis type of environment was overtaken by the MTU and subsequently fragmented [5]. VPNs provide secure interconnectivity between two endpoints over the Internet. To achieve this, the VPN virtually creates an IP tunnel from one endpoint to another and provides additional, additional encryption mechanisms to fully secure the logical channel. This permanent tunnel took up large resources and is considered wasteful because it uses a large amount of bandwidth during transmission but less data. This is why the VPN network becomes slow. And the latency problem is very common in VPNs since the end-to-end delay has no negative impact on the VPN [6]. Sometimes VPN client connection rejected due to Routing and Remote Access service not running in Windows services. This is a very common problem. Sometimes DNS problems occur because the server's FQDN cannot resolve the client's server name in the IP address resolver. Although the VPN server is successfully connected to the client, the remote user is unable to access the network beyond the VPN server. Another example is the creation of the tunnel. everything seems fine but we can't establish a connection between two endpoints because the routers are trying to do the packet filtering jobs and protect the IP tunnel traffic. And also another possibility is that the proxy server is located between client and server [7]. Please note: this is just an example. Get a custom paper from our expert writers now. Get a Custom Essay VPN Replacement Technologies (Alternatives): The MP -eBGP Technology: This is known as Autonomous System Border Routers (ASBR) approach and uses IPv4 routing. In this technology, the ASBRs apply the Multi-Protocol – Exterior Border Gateway (MP-eBGP) protocol for the exchange of paths between ASs (Autonomous Systems). This significantly reduces configurations for VPN on the ASBR. The MP-eBGP protocol session allows the two directly connected interfaces to forward packets at the layer.