Information Technology - Fibre Channel - Part 122: Arbitrated Loop-2 (FC-AL-2)

CSA Group
Standards Development Organisation:
Canadian Standards Association (operating as CSA Group)
Working Program:
View the CSA work program
Designation Number:
CAN/CSA-ISO/IEC 14165-122:06 (R2016)
Standard Type:
National Standard of Canada - Adoption of International Standard
Standard Development Activity:
Reaffirmation
ICS code(s):
35.200
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

This part of ISO/IEC 14165 specifies signaling interface enhancements for FC-PH, to allow L_Ports to operate with an Arbitrated Loop topology. This Standard defines L_Ports that retain the functionality of Ports as specified in FC-PH. The Arbitrated loop topology attaches multiple communicating points in a loop without requiring switches. 

The Arbitrated Loop topology is a distributed topology where each L_Port includes the minimum necessary function to establish a Loop circuit. A single FL_Port connected to an Arbitrated Loop allows multiple NL_Ports to attach to a Fabric. 

When an L_Port is operating on a Loop with at least one other L_Port, the L_Port uses the protocol extensions to FC-PH that are specified in this standard. 

When an L_Port is connected with an N_Port or an F_Port, the L_Port communicates using the protocol defined in FC-PH. 

Each L_Port may use a self-discovering procedure to find the correct operating mode without the need for external controls.

Project need:

To review the Standard within the required 5 year period.

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