About: L2TPv3

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Layer 2 Tunnelling Protocol version 3 is an IETF standard related to L2TP that can be used as an alternative protocol to Multiprotocol Label Switching (MPLS) for encapsulation of multiprotocol Layer 2 communications traffic over IP networks. Like L2TP, L2TPv3 provides a pseudo-wire service, but scaled to fit carrier requirements.

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  • Layer 2 Tunnelling Protocol version 3 is an IETF standard related to L2TP that can be used as an alternative protocol to Multiprotocol Label Switching (MPLS) for encapsulation of multiprotocol Layer 2 communications traffic over IP networks. Like L2TP, L2TPv3 provides a pseudo-wire service, but scaled to fit carrier requirements. L2TPv3 can be regarded as being to MPLS what IP is to ATM: a simplified version of the same concept, with much of the same benefit achieved at a fraction of the effort, at the cost of losing some technical features considered less important in the market. In the case of L2TPv3, the features lost are teletraffic engineering features considered important in MPLS. However, there is no reason these features could not be re-engineered in or on top of L2TPv3 in later products. The protocol overhead of L2TPv3 is also significantly bigger than MPLS. (en)
  • Layer 2 Tunneling Protocol Version 3 (standardisé dans la RFC 3931) est un protocole d'encapsulation point à point d'un protocole quelconque de niveau 2 dans IP. C'est une évolution importante de L2TPv2 qui n'autorise que l'encapsulation du protocole PPP. Une session L2TPv3 entre deux équipements est appelée un pseudo-wire. Plus complet que GRE, L2TPv3 peut être associé à une authentification AAA (Authentication, Authorization and Accounting), basée par exemple sur un serveur Radius, pour offrir des services de type VPN, apportant une alternative simple à MPLS. (fr)
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  • Layer 2 Tunneling Protocol Version 3 (standardisé dans la RFC 3931) est un protocole d'encapsulation point à point d'un protocole quelconque de niveau 2 dans IP. C'est une évolution importante de L2TPv2 qui n'autorise que l'encapsulation du protocole PPP. Une session L2TPv3 entre deux équipements est appelée un pseudo-wire. Plus complet que GRE, L2TPv3 peut être associé à une authentification AAA (Authentication, Authorization and Accounting), basée par exemple sur un serveur Radius, pour offrir des services de type VPN, apportant une alternative simple à MPLS. (fr)
  • Layer 2 Tunnelling Protocol version 3 is an IETF standard related to L2TP that can be used as an alternative protocol to Multiprotocol Label Switching (MPLS) for encapsulation of multiprotocol Layer 2 communications traffic over IP networks. Like L2TP, L2TPv3 provides a pseudo-wire service, but scaled to fit carrier requirements. (en)
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  • Layer 2 Tunneling Protocol Version 3 (fr)
  • L2TPv3 (en)
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