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Junos Enterprise Routing
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After you’ve spent some time in the networking field, you tend to notice that there is rarely a single way to do things, and in many cases, rarely a single, precise definition for terms. After all, often a network engineer’s best answer is “it depends.” Such is the case with enterprise routing, so let’s start off with a definition question: what is an enterprise network? Is it a large multinational network used by a manufacturing com- pany; is it a government network supporting a state or a county; is it a regional network used by a parts distributor; or is it a network that supports your local dentist’s office? Of course, it’s probably all of these, and many more. At a very high level, you can state that an enterprise network is one that is used to support activities as opposed to gen- erating revenue, as in a service provider’s network. Some might say that if someone pays you to access your network, you are providing a service to him and you’re no longer an enterprise network. But that sweeping statement doesn’t really apply if that someone is paying you to cover your costs to provide that service. So, as you can see, it depends. Defining an enterprise network also manifests itself in how Juniper Networks defines its products within the enterprise world. On the one hand, Juniper designates certain hardware platforms as enterprise, but then many enterprise networks require density and throughput options from a platform listed as a service provider product. From the software side of things, the same issue arrives. Whereas a technology such as IPSec is used by all types of networks around the globe, is it used more by enterprise networks than by service provider networks? Some engineers would answer yes to that question, but then, you can’t say that a service provider will never use IPSec. From the perspective of hardware platforms, Juniper Networks has designated the fol- lowing as enterprise products:
Peter Southwick, Doug Marschke, and Harry Reynolds - Personal Name
978-1-449-39863-7
NONE
Information Technology
English
2011
1-768
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