The starting point for category 6 dates back to the Munich meeting of International Standards Committee ISO/IEC JTC 1/SC25/WG 3 in September of 1997. At this meeting, there was agreement to include two new performance classes for balanced cabling in the second edition of international cabling standard ISO/IEC 11801. One of these new cabling types, "class E" is targeted as being representative of the best performance achievable with unshielded and screened twisted-pair cabling. Just as class D of ISO/IEC 11801 is representative of worst case 4-connector, 100-meter channel implementations using category 5 cable and connecting hardware, class E performance requirements are based on the same worst case cabling model using category 6 components.
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