Which among the following is implemented parallel to the protocol stack?(a) Interlayer signaling pipe(b) Direct inter layer communication(c) Central cross-layer plane(d) Cross talkI had been asked this question in class test.Question is taken from Next Generation Wireless Network in division Next Generation Wireless Network of Cognitive Radio

Which among the following is implemented parallel to the protocol stac

1.	Which among the following is implemented parallel to the protocol stack?(a) Interlayer signaling pipe(b) Direct inter layer communication(c) Central cross-layer plane(d) Cross talkI had been asked this question in class test.Question is taken from Next Generation Wireless Network in division Next Generation Wireless Network of Cognitive Radio
Answer» Correct choice is (c) CENTRAL cross-layer plane Best explanation: The Central cross-layer plane is the most popularly used IMPLEMENTATION of cross-layer design concept. It can be implemented as a SHARED database. Otherwise, each protocol layer CREATES separate interfaces for its internal protocol parameters and functions.

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