2012년 9월 6일 목요일

[퍼온글]네트워크 케이블 스파게티 'Before and After' 시나리오 #2

BEFORE:

Cloned Milkmen’s work on network systems cabling is as prolific as his Flicker photostream. Of the above heaping portion of cable salad, prelude to another wiring closet clean-up project from his job site, he observes the following:
"Look at the 'waterfall' problem. All the cables are cascading down the front, blocking access to our switches. We cannot trace cables, and we cannot add or remove cables. We cannot even see the lights on the front. You cannot see it in this photo but several switches are mounted upside down (probably for good reason, but still). The switchesare also crowded together, with no space between them.”

AFTER:

Image Source: http://www.flickr.com/photos/clonedmilkmen/4390901323/

This image is used under terms of a Creative Commons License.

Cloned Milkmen:

"This is after the clean-up. Notice that the cables are channeled down the sides. We use inexpensive guides that screw on to keep the cables to the side. We used lots of velcro (about every 6 inches) to bundle cables. We parted everything down the center, and used the left and right sides of the rack to organize the cables. Each row on the patch panel was bundled together and connected to the same switch. The switches were interconnected in an effecient way (not daisy chained). The coloring actually means very little in this case. We used what cables we had.Some are colour codes, but not many. We put plenty of space between the switches and lowering the density helps incredibly in keeping the cabling under control. It took 4 hours to do the wiring, and about 2 hours to do the planning (part of the project was to trace 8 connections and move them to a Gigabit switch)."

출처 : http://www.cablinginstall.com/index/display/article-display/5314776251/articles/cabling-installation-maintenance/news/connectivity-technologies/rj45-utp-shielded-connectors/2012/july/wc-slideshow_-_before0.html

2012년 8월 21일 화요일

[퍼온글]네트워크 케이블 스파게티 'Before and After' 시나리오 #1


BEFORE:
Flickr user and professional systems administrator Cloned Milkmen recently posted a number of high-quality, highly instructive photos of a rack cabling redesign he’d conducted at the job site.


Of the above tangle, the photographically inclined sys admin explains, "This is a giant mess that evolved over a series of years. It is nearly impossible to trace the cables in the rack, hard to add new connections, difficult to audit the wiring. What would happen if one of the switches failed and had to be replaced? We'd have to take down the entire system!"

AFTER:



Image Source: http://www.flickr.com/photos/clonedmilkmen/3605000402/

This image is shared under terms of a Creative Commons License.

"After we rewired the closet," continues sys admin Cloned Milkmen, "Notice that there is less density in the right-hand side of the rack. Switch interconnects are separate from the other wires. Different networks use different colors of wires. Wires are bundled nicely and spaced at regular intervals."

출처 : http://www.cablinginstall.com/index/display/article-display/3173459845/articles/cabling-installation-maintenance/news/connectivity-technologies/rj45-utp-shielded-connectors/2012/july/wc-slideshow_-_after.html