Howard Frazier

Background and History

This chapter contains sections titled: Introduction Overview of the chapter What to expect and who would benefit from reading this chapter What is the IEEE and where did that 802 number come from? A few words on the structure of IEEE 802 and its sub-groups What is an IEEE 802 standard? The IEEE 802.3 family??????-??????Ethernet History of IEEE Std 802.3ah EFM as a new addition to the IEEE 802.3 family Summary of Concepts Covered in this Chapter Additional References ]]>

Aggregation at the physical layer

Aggregation at the physical layer (APL) allows a single IEEE 802.3 media access control (MAC) sublayer to treat a collection of underlying physical layer (PHY) devices as a single logical link. APL creates Ethernet links with bandwidths greater than can be achieved with a single physical link. The primary purpose of APL is to support the next generation Ethernet link speeds of 40 and 100 Gb/s.

Simplified FullDuplex Media Access Control

This chapter contains sections titled: Introduction Overview of the chapter Who will benefit from reading this chapter The evolution of the Ethernet MAC Full-duplex flow control using ?>Pause ?> IPG stretching Full-duplex flow control using carrier deferral The simplified full-duplex MAC Applicability for EFM Applicability beyond EFM Summary of the concepts presented in this chapter For further reference

Overview of the EFM Standard

This chapter contains sections titled: Introduction Overview of the chapter What to expect and the benefit of reading this chapter Overview of the solutions introduced by EFM The scope of ethernet: The 7-layer OSI model The Ethernet Naming Convention and the Physical Layer Signaling System EFMs nine technologies and fourteen port types A closer look at the architectural positioning of EFM The scope of EFM What to read and where to find it: Structure of the EFM document Summary of concepts covered in this chapter ]]>

Copper Physical Layers

This chapter contains sections titled: Introduction Overview of the chapter Who will benefit from reading this chapter The premise of Ethernet over telephone wire Relationship to ATIS, ETSI, and ITU-T The need for two modulation techniques Layering and sublayer interfaces Physical coding sublayer (PCS) functions Transmission convergence (TC) sublayer functions Management Summary of the concepts presented in this chapter For further reference

Copper Physical Layer signalling

This chapter contains sections titled: Introduction Overview of the chapter Who will benefit from reading this chapter 10PASS-TS (Ethernet over VDSL) 2BASE-TL (Ethernet over SHDSL) Summary of concepts covered in this chapter Additional references