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Network Virtualization using Generic Routing Encapsulation (NVGRE) is a network virtualization technology that attempts to alleviate the scalability problems associated with large cloud computing deployments.
In conjunction with PPTP to create VPNs.; In conjunction with IPsec VPNs to allow passing of routing information between connected networks.; In mobility management protocols.; In A8/A10 interfaces to encapsulate IP data to/from Packet Control Function (PCF).
In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. They can, for example, allow private network communications to be sent across a public network (such as the Internet), or for one network protocol to be carried over an incompatible network, through a process called encapsulation.
Virtual private network (VPN) is a network architecture for virtually extending a private network (i.e. any computer network which is not the public Internet) across one or multiple other networks which are either untrusted (as they are not controlled by the entity aiming to implement the VPN) or need to be isolated (thus making the lower network invisible or not directly usable).
Which of these linchpins of the modern internet is a better all-around investment?
The protocol is also used by Windows Azure for Point-to-Site Virtual Network. [5] SSTP is intended only for remote client access, it generally does not support site-to-site VPN tunnels. [6] SSTP suffers from the same performance limitations as any other IP-over-TCP tunnel.
An SSH server is a software program which uses the Secure Shell protocol to accept connections from remote computers. SFTP / SCP file transfers and remote terminal connections are popular use cases for an SSH server.
Virtual eXtensible LAN (VXLAN) is a network virtualization technology that uses a VLAN-like encapsulation technique to encapsulate OSI layer 2 Ethernet frames within layer 4 UDP datagrams, using 4789 as the default IANA-assigned destination UDP port number, [1] although many implementations that predate the IANA assignment use port 8472.