Cisco ASR1006 Configuration Guide - Page 409
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Configuring MPLS Layer 2 VPNs Glossary Glossary ATM-Asynchronous Transfer Mode. A method of data transportation, whereby fixed-length packets are sent over a switched network. The method's ability to ensure reliable delivery of packets at a high rate makes it suitable for carrying voice, video, and data. AToM-Any Transport over MPLS. AToM is a solution for transporting Layer 2 packets over an MPLS backbone. AToM enables service providers to supply connectivity between customer sites with existing data link layer (Layer 2) networks by using a single, integrated, packet-based network infrastructure-a Cisco MPLS network. Instead of separate networks with separate network management environments, service providers can deliver Layer 2 connections over an MPLS backbone. EoMPLS-Ethernet over MPLS. This technology leverages an existing MPLS backbone network to deliver Transparent LAN Services based on Ethernet connectivity to the customer site. GEC-Gigabit EtherChannel. A high-performance Ethernet technology that provides gigabit per second transmission rates. It provides a flexible and scalable bandwidth with resiliency and load sharing across links for switches, router interfaces, and servers. Supports up to eight links per channel. MPLS-Multiprotocol Label Switching. A mechanism in high-performance telecommunications networks that directs and carries data from one network node to the next. MPLS makes it easy to create virtual links between distant nodes. It can encapsulate packets of various network protocols. VPLS-Virtual Private LAN Service. A method to provide Ethernet-based multipoint-to-multipoint communication over IP and MPLS networks. Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1110R) Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental. © 2012 Cisco Systems, Inc. All rights reserved. Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide 33