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Juniper J-Series : ウィキペディア英語版 | Juniper J-Series
Juniper J-Series is a series of enterprise routers designed and manufactured by Juniper Networks.〔 They are modular routers for enterprises running desktops, servers, VoIP, CRM / ERP / SCM applications.〔(【引用サイトリンク】title=Products and Services : J Series )〕 The J Series routers are typically deployed at remote offices or branch locations. These Services routers include the J2320 and J2350 for smaller offices, the J4350 for medium-size branches, and the J6350 for large branches or regional offices.〔(【引用サイトリンク】title=Juniper Networks' J-series The Juniper routers offer compelling advantages over their Cisco counterparts )〕 ==Platform development history==
Juniper began working on J-Series in the middle of the telecom downturn (2002), while looking for ways to extend its product portfolio. The main idea behind the new product line was to create the cost-optimized routing system that could utilize increasingly powerful general-purpose CPUs and operate under fully-fledged, multi-threaded OS. This was a major departure from "traditional" branch router design, which dictated the use of low-end RISC CPUs working under simplified operating system with marginal multitasking and memory protection capabilities. The first iteration of J-Series design was based on high-end Intel CPUs and featured Intel IXP-based interface cards running over PCI bus. Later models added PCI Express connectivity as well as specialized Cavium security processors. From the software perspective, J-series runs JUNOS with a real-time extensions for the forwarding plane function. This unique architecture allows J-series to avoid the "resource starvation" problem commonly seen on legacy software forwarding platforms.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Juniper J-Series」の詳細全文を読む
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