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  2. Multiprotocol Label Switching - Wikipedia

    en.wikipedia.org/wiki/Multiprotocol_Label_Switching

    The last router in an LSP, which pops the label from the packet, is called an egress router. Routers in between, which need only swap labels, are called transit routers or label switch routers (LSRs). Note that LSPs are unidirectional; they enable a packet to be label switched through the MPLS network from one endpoint to another.

  3. Router (computing) - Wikipedia

    en.wikipedia.org/wiki/Router_(computing)

    Provider Router (P): A Provider router is also called a transit-router, it sits in an MPLS network and is responsible for establishing label-switched paths between the PE routers. [ 27 ] Provider edge router (PE): An MPLS-specific router in the network's access layer that interconnects with customer edge routers to provide layer 2 or layer 3 ...

  4. Label switching - Wikipedia

    en.wikipedia.org/wiki/Label_switching

    Label switching is a technique of network relaying to overcome the problems perceived by traditional IP-table switching (also known as traditional layer 3 hop-by-hop routing) [1]. Here, the switching of network packets occurs at a lower level , namely the data link layer rather than the traditional network layer .

  5. Forwarding information base - Wikipedia

    en.wikipedia.org/wiki/Forwarding_information_base

    The label edge routers at the edges of an MPLS cloud map between the end-to-end identifier, such as an IP address, and a link-local label. At each MPLS hop, there is a forwarding table that tells the label-switched router which outgoing interface is to receive the MPLS packet, and what label to use when sending the packet out that interface.

  6. Label Distribution Protocol - Wikipedia

    en.wikipedia.org/wiki/Label_Distribution_Protocol

    Two routers with an established session are called LDP peers and the exchange of information is bi-directional. LDP is used to build and maintain label-switched path (LSP) databases that are used to forward traffic through MPLS networks. LDP can be used to distribute the inner label (VC/VPN/service label) and outer label (path label) in MPLS.

  7. Packet switching - Wikipedia

    en.wikipedia.org/wiki/Packet_switching

    AppleTalk included features that allowed local area networks to be established ad hoc without the requirement for a centralized router or server. The AppleTalk system automatically assigned addresses, updated the distributed namespace, and configured any required inter-network routing. It was a plug-n-play system. [150] [151]

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    mail.aol.com

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  9. Networking hardware - Wikipedia

    en.wikipedia.org/wiki/Networking_hardware

    Router: a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. A data packet is typically forwarded from one router to another through the networks that constitute the internetwork until it reaches its destination node. [3] It works on OSI layer 3. [4]