Fiber Optic Wiki

SFP transceivers are available with a variety of transmitter

October 14, 2011

SFP transceivers are available with a variety of transmitter and receiver types, allowing users to select the appropriate transceiver for each link to provide the required optical reach over the available optical fiber type (e.g. multi-mode fiber or single-mode fiber). Optical SFP modules are commonly available in several different categories:

A Parallel optical interface

October 14, 2011

A parallel optical interface is a form of fiber optic technology aimed primarily at communications and networking over relatively short distances (less than 300 meters), and at high bandwidths.

The Interconnect bottleneck

October 14, 2011

The interconnect bottleneck, the point at which integrated circuits (ICs) reach their capacity, is expected sometime around 2010.Improved performance of computer systems has been achieved, in large part, by downscaling the IC minimum feature size. This allows the basic IC building block, the transistor, to operate at a higher frequency, performing more computations per second.

Advantages of fiber optic cabling

October 14, 2011

Fiber optic cabling solves these problems and offers users:

Traffic policing parameters

October 13, 2011

Most modern switches and network interface devices (NID) can set different traffic policing parameters. When activated, a policer will monitor the incoming frames and determine their color mode (CM). If the CM is set to color-aware, the policer will then monitor incoming frames and assign them the relative color of green or yellow based on the frame header matching the policer setting and current information rate (IR).

Service configuration test

October 13, 2011

During the Service Configuration Test stage, each of the individual test flows are completed sequentially, confirming there are no network configuration issues. The service provider can configure each test flow according to frame sizes or a mixture of frame sizes, referred to as an EMIX, as well as adjust the throughput and other header information, such as MAC addresses, VLAN settings, IP addresses, and DSCP.

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