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Cisco IOS XR Fundamentals by Dawit Birhanu, Mark Ghattas, Syed Natif Nawaz, Mobeen Tahir

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Chapter 11. Secure Domain Router

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This chapter covers the following topics:

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You might consider the Cisco CRS-1 router as a system; however, it is capable of functioning as a collection of one or more routers that share the same hardware infrastructure. This concept of a collection of routers is commonly referred to as logical routers (LR), and Cisco calls this feature Secure Domain Router (SDR). SDR is an IOS XR feature that provides secure partitioning isolation of hardware and software resources within a single system. A feature such as SDR is attractive to network ...

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