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2. MPLS VPN - Wikipedia

   en.wikipedia.org/wiki/MPLS_VPN

   MPLS VPN is a family of methods for using Multiprotocol Label Switching (MPLS) to create virtual private networks (VPNs). MPLS VPN is a flexible method to transport and route several types of network traffic using an MPLS backbone. There are three types of MPLS VPNs deployed in networks today: 1. Point-to-point 2. Layer 2 (VPLS) 3.

3. Multiprotocol Label Switching - Wikipedia

   en.wikipedia.org/wiki/Multiprotocol_Label_Switching

   MPLS LSPs provide dynamic, transparent virtual networks with support for traffic engineering, the ability to transport layer-3 (IP) VPNs with overlapping address spaces, and support for layer-2 pseudowires using Pseudowire Emulation Edge-to-Edge (PWE3) [29] that are capable of transporting a variety of transport payloads (IPv4, IPv6, ATM, Frame ...

4. Penultimate hop popping - Wikipedia

   en.wikipedia.org/wiki/Penultimate_hop_popping

   The process is important in a Layer 3 MPLS VPN (RFC 2547) environment as it reduces the load on the LER. If this process didn't happen, the LER would have to perform at least 2 label lookups: The outer label, identifying that the packet was destined to have its label stripped on this router.

5. Layer 2 MPLS VPN - Wikipedia

   en.wikipedia.org/wiki/Layer_2_MPLS_VPN

   Logical View of a Layer 2 MPLS VPN. A Layer 2 MPLS VPN is a term in computer networking. It is a method that Internet service providers use to segregate their network for their customers, to allow them to transmit data over an IP network. This is often sold as a service to businesses. Layer 2 VPNs are a type of Virtual Private Network (VPN ...

6. Virtual routing and forwarding - Wikipedia

   en.wikipedia.org/wiki/Virtual_routing_and_forwarding

   IP VPN is most commonly deployed across an MPLS backbone as the inherent labeling of packets in MPLS lends itself to the identification of the customer VRF. Some IP VPN implementations (notably Nortel's IP-VPN Lite) use a simpler IP-in-IP encapsulation over a pure IP backbone, eliminating the need to maintain and support an MPLS environment.

7. First time flying first class? Here are etiquette tips to ...

   www.aol.com/news/first-time-flying-first-class...

   First-time flight upgraders should be aware of business- and first-class etiquette. A flight expert shared his top tips for blending in with passengers who often book premium cabins.