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oversubscription, while maintaining appropriate priority. Thus, for example, you can schedule high-value business-
critical traffic for encryption and transmission before less-important bulk traffic.
As businesses move to voice, video, and interactive, real-time, collaborative applications, packet latency becomes a
genuine concern. Latency can lead to dropped frames, misordered packets, and--from a user perspective--garbled
voice and video, or frustrating lag in application response time. With sub-100-microsecond latency for high-priority
packets, the sophisticated QoS algorithms on the Cisco ASR 1000 Series Routers remove bottlenecks and can
significantly improve your experience.
Integrated Services and Programmability: Speeding Service Deployment
Perhaps the most unique innovation in the Cisco QuantumFlow Processor is its capability to combine the speed of
an ASIC with the flexibility and programmability of a general-purpose processor. Rather than proprietary microcode,
the Cisco QuantumFlow Processor provides a standard ANSI C application programming interface (API) for
programming new functions. As a result of this ease of programming, Cisco can implement new services--even
those not invented yet--on the Cisco QuantumFlow Processor with a simple software upgrade. Moreover, because of
the unique multiprocessor, parallel processing architecture of the Cisco QuantumFlow Processor, new services are
immediately hardware-accelerated without any special development effort. For the enterprise customer, this new
architecture provides a faster “time to service” for new functions and a hardware investment that will retain its value
over time.
Embedded Security: Ensuring Data Protection and Compliance
Enterprises are striving to accommodate a more mobile workforce by providing secure, global network access. In
addition, more nonemployees, in the form of business partners, contractors, and customers, are gaining expanded
access to the enterprise network. Although such developments encourage productivity and business growth, there is
a natural concern about the effects of such openness on network security.
Here again, the Cisco ASR 1000 Series Router provides a comprehensive toolset to facilitate business flexibility
without assuming additional risk.
The Cisco ASR 1000 Series Router features built-in, multilevel threat detection and containment through 5-, 10-, and
20-Gbps scalable, highly available, embedded firewall services. You can further supplement firewall services by
intrusion-detection services. As noted, all services are hardware-accelerated, so the Cisco ASR 1000 Series Router
can continue to provide high performance, even with multiple security services enabled.
The ability to classify application traffic at hardware speeds is the foundation of a well-designed security solution. As
waves of new Web 2.0 applications come onto the network, the Cisco ASR 1000 Series Routers are prepared with
advanced application intelligence. The widely deployed Cisco Network-Based Application Recognition (NBAR)
technology is built into the Cisco ASR 1000 Series Router and operates at hardware-enabled speeds. NBAR can
classify dozens of the most common applications found in enterprise networks, and--as you introduce new
applications--you can dynamically enhance the NBAR engine to recognize them through Protocol Description
Language Modules (PDLMs).
For enterprise networks looking for even more fine-grained control over application data, the Cisco ASR 1000 Series
Router also implements Cisco Flexible Packet Matching (FPM) technology.
Cisco FPM allows the network administrator to identify and classify packets--even for emerging or in-house
applications--by using a simple XML-based language.
For remote access, the Cisco ASR 1000 Series Router contains an integrated multigigabit cryptography engine to
support IP Security (IPsec) encryption. In addition to standard remote-access solutions, such as Multiprotocol Label
Switching (MPLS) VPN and IPsec VPN, the Cisco ASR 1000 Series Router also supports innovations such as Cisco
