If You Read Nothing Else Today, Read This Report on Asr9000 > 자유게시판

• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

Exploring the Cisco ASR 9000 Router: A Comprehensive Study of Innovation and Licensing Models

The Cisco ASR 9000 router, part of Cisco's Aggregation Services Router family, represents a significant leap forward in network performance, scalability, and efficiency. This study delves into the technical advancements, licensing models, and various models available within the ASR 9000 series, providing a comprehensive overview of its capabilities and applications in modern networking environments.

Technical Innovations and Capabilities

At the heart of the ASR 9000's performance lies its advanced hardware and software architecture. The router features a distributed forwarding plane, which allows for high throughput and low latency even under heavy loads. This is achieved through the use of custom ASICs (Application-Specific Integrated Circuits) that are optimized for network packet processing.

The ASR 9000 also boasts a robust operating system, known as IOS-XR. This operating system is designed for high availability and reliability, featuring a microkernel architecture that ensures stability even in the event of software failures. Additionally, IOS-XR supports a wide range of networking protocols and features, making the ASR 9000 a versatile solution for a variety of network deployments.

Licensing Models

Cisco has implemented a flexible licensing model for the ASR 9000 series, which allows customers to tailor their purchase to their specific needs. There are two primary types of licenses available:

1. Permanent Licenses: These are traditional licenses that grant permanent access to specific features or performance levels. They do not expire and do not need to be renewed.
   

1. Subscription Licenses: These are newer types of licenses that provide access to features or performance levels for a set period, after which they must be renewed. Subscription licenses offer more flexibility, allowing customers to adjust their network capabilities as their needs evolve.
   

Within these two categories, there are various sub-licenses available for specific features, such as encryption, VPN capabilities, and high-availability features. This granular approach to licensing ensures that customers only pay for the functionalities they require.

ASR 9000 Models

The ASR 9000 series includes several models, each tailored to different network environments and capacities:

• ASR 9900: The flagship model, designed for the largest service provider networks, capable of handling up to multiple terabits per second of throughput.
  

• ASR 9901: A compact version of the ASR 9900, suitable for smaller networks or as a high-capacity edge router.
  

• ASR 9010: Designed for metro and regional networks, offering a balance between performance and size.
  

• ASR 9006: A smaller model suitable for enterprise or small to medium service provider networks, offering a good balance between cost and capabilities.
  

• ASR 9001: The smallest model in the series, intended for access or small aggregation roles where space and power are at a premium.
  

Each model can be further customized through the selection of different line cards and routing processors, allowing for a high degree of flexibility in network design.

Conclusion

The Cisco ASR 9000 router series represents a significant advancement in network routing technology, combining high performance, reliability, and flexibility. Through its innovative design and flexible licensing models, Cisco has created a range of routers that can meet the needs of a wide variety of networks, from small enterprises to the largest service provider networks. As networking requirements continue to evolve, the ASR 9000 series stands out as a solution capable of meeting the demands of both today and tomorrow.