Cisco Xr 12000 Series Router Overview; Features And Capabilities - Cisco XR 12000 Series Getting Started Manual

Cisco XR 12000 Series Router Overview

Cisco XR 12000 Series Router Overview
The Cisco XR 12000 Series Router is powered by Cisco IOS XR software, allowing service providers to
isolate public and private services through the virtualization of a single router into separate physical and
logical partitions. Cisco IOS XR software is a unique self-healing and self-defending operating system
designed for always-on operation while scaling capacity and adding new services or features. With
distributed processing intelligence and robust quality-of-service (QoS) and multicast mechanisms, the
Cisco XR 12000 Series Router allows providers to scale services and customers with performance.

Features and Capabilities

The router is a scalable carrier-class distributed forwarding router, which is designed for redundancy,
high security and availability, packaging, power, and other requirements needed by service providers.
The router aggregates triple play Multi-service edge and Ethernet service traffic aggregating these
services to 10 Gigabit Ethernet IP, MPLS edge, or core. It support Ethernet, serial (including MLPPP),
frame relay and POS interface on the access side and Ethernet or POS interfaces on the core side.
The following sections describe the features and capabilities in detail:
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Cisco IOS XR Software
The router runs Cisco IOS XR Software, which offers the following:
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Cisco IOS XR Getting Started Guide for the Cisco XR 12000 Series Router
1-2
Cisco IOS XR Software, page 1-2
Flexible Ethernet, page 1-4
L2VPN, page 1-4
Multicast, page 1-5
OAM, page 1-5
Layer 3 Routing, page 1-5
MPLS VPN, page 1-6
QoS, page 1-6
MPLS TE, page 1-7
Rich Networking Feature Set—Cisco IOS XR Software represents a continuation of the Cisco
networking leadership in helping customers realize the power of their networks and the Internet. It
provides unprecedented routing-system scalability, high availability, service isolation, and
manageability to meet the mission-critical requirements of next-generation networks.
Operating system infrastructure protection—Cisco IOS XR Software provides a microkernel
architecture that forces all but the most critical functions, such as memory management and thread
distribution, outside of the kernel, thereby preventing failures in applications, file systems, and even
device drivers from causing widespread service disruption.
Process and thread protection—Each process, even individual process thread, is executed in its own
protected memory space, and communications between processes are accomplished through
well-defined, secure, and version-controlled application programming interfaces (APIs),
significantly minimizing the effect that any process failure can have on other processes.
Chapter 1 Introduction to Cisco IOS XR Software
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