Step 2: Checking the software stack.

步骤2：检查软件集。

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Figure 2 provides view of this software stack.

图2显示了这个软件堆栈的视图。

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You want to measure at every layer of your software stack.

我们希望在软件栈的各个层面都能度量。

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Additionally, Broadcom's standards-based software stack implements NFC Forum specifications, including NFC Controller interface (NCI), to support multiple operating systems.

ENGADGET: Broadcom intros quad-combo, fast single-card wireless chipsets that put NFC at center stage

Neither worked out, probably because the open source software stack is not as generic and interchangable as the operating system.

FORBES: Red Hat At $1 Billion

As a testament to its certified solutions, Broadcom recently contributed its NFC software stack into the Android 4.2 operating system.

ENGADGET: Broadcom intros quad-combo, fast single-card wireless chipsets that put NFC at center stage