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BGP4 is standard for Internet routing and required of most Internet service providers (ISPs) to establish routing between one another. Very large private IP networks use BGP internally. An example use case is the joining of a number of large Open Shortest Path First (OSPF) networks when OSPF by itself does not scale to the size required.
Multiprotocol Extensions for BGP (MBGP or MP-BGP), sometimes referred to as Multiprotocol BGP or Multicast BGP and defined in IETF RFC 4760, [1] is an extension to Border Gateway Protocol (BGP) that allows different types of addresses (known as address families) to be distributed in parallel.
A 2014 paper demonstrated the potential security concerns of Looking Glass servers, noting that even an "attacker with very limited resources can exploit such flaws in operators' networks and gain access to core Internet infrastructure", resulting in anything from traffic disruption to global Border Gateway Protocol (BGP) route injection. [1]
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Convergence is the state of a set of routers that have the same topological information about the internetwork in which they operate. For a set of routers to have converged, they must have collected all available topology information from each other via the implemented routing protocol, the information they gathered must not contradict any other router's topology information in the set, and it ...
A backbone or core network is a part of a computer network which interconnects networks, providing a path for the exchange of information between different LANs or subnetworks. [1]
The BGP4 Multi-Protocol (BGP-MP) extensions are used to distribute VPN IDs and VPN-specific reachability information. Since IBGP requires either a full mesh of BGP sessions or the use of a route reflector, enabling the VPN ID in a participating PEs existing BGP configuration provides it with a list of all PEs in that VPN.
Longest prefix match (also called Maximum prefix length match) refers to an algorithm used by routers in Internet Protocol (IP) networking to select an entry from a routing table.