LANshack January 5th, 2012 Newsletter

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January 2012     Vol 3 No 1
 HAPPY NEW YEAR!
We wish you a happy, healthy & prosperous 2012!
   Industry NEWS
Networking industry slowly shifting from traditional hub and spoke network systems
wagon As a whole, the enterprise networking sector is shifting away from traditional hub and spoke network systems and moving towards more flexible architectures.

In a recent guest post for BusinessCloudNews, industry expert Thierry Grenot explained that the hub and spoke network system, which became a popular solution to support centralized data centers delivering content to branch offices, is fading.

In its place, Grenot said, the industry is turning to a spoke to spoke model, in which a network spoke from one organization or branch office will connect to another spoke at a remote facility or third-party data center.

This movement is being pushed by increased investments in unified communications and cloud computing, the news source said. The two technologies require a more autonomous network that connects to a variety of data centers, both first- and third-party, making hub to spoke architectures less important.

This shift comes at the same time as more data center managers are turning their focus away from north-south traffic, which is the channel used to deliver content to end users. Instead, many data center operators are flattening their Ethernet architecture to focus on east-west traffic, which is data sent between servers within a facility.

 

In This Issue
Industry News
Tech TIPS
January Special
More News

 

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   TECH TIPS by TONY

Here are some low -tech tips
that pertain to all wire and cable installation 


In a pinch? Make a Snake 

If you need to snake a cable across a ceiling and you don't have a regular fish tape handy, you can use a steel tape measure instead. Put some electrical tape over the hook on the end of the tape to prevent it from getting caught up on objects.

 

Pull-Line...A Cable Installer's Best Friend

If you are using your metal fish tape (snake) to pull wire directly, you are doing it the hard way (Exception: if the pull is very short).
 
Instead, use the fish tape to pull in string (aka: pull-line, drag-line, etc.). This will save you a lot of time and effort. Also, if you are waiting for the cable to arrive to your facility, you can prepare ahead of time by pre-installing the pull lines.
 
LANshack sells a 6500 foot bucket of pull-line that is intended specifically for cable installation. See the Monthly Special below.
 
Best Tying Method for Wire Pulling
Whether you are pulling a single cable or even a group of cables, the best method for preparing the leading end of the pull is by using a series of "lock Stitch" knots. Use at least two of these knots or even more if the difficulty of the pull is expected to be high.
 
Use a few turns of electrical tape at the beginning and at the end of the series of knots. Try to keep the last knot and electrical tape as close to the end of the cable(s) as possible.
Note: Lock Stitch knots are also used for "lacing" of cable harnesses.
 
RopePull

  January SPECIAL
 

Powr-Fish® Pull-Line 6,500 feet (bucket)

No cable installation should be without this essential commodity

 Pull Line

 
  • Continuous-fiber polyline can be blown directly into conduit
  • 210 lbs tensile strength
  • Will not rot or mildew
  • Can be left in conduit for future use
  • Color-coded for easy location in conduit
  • Pre-punched top for easy access 

 Regular price: $59.90

Stock-Up Sale: 10% off
Price:  $53.91

  Sale runs from 1/5/2012 - 2/5/2012. 
Use Coupon Code at checkout: PL-1-12

It's a onetime use, but it's good for up to 5 buckets!

Part Number 31-340.

 

 

Keep an extra bucket at home for tying of recycling

and many other uses.  

   More News

Traditional core infrastructure could give way to mesh fabrics


wired rack The world of Ethernet is changing, as virtualization, cloud computing and other emerging technologies encourage data center developers to turn to fabric architectures instead of core Ethernet infrastructure.

According to a recent Network Computing article, a growing number of data center operators are turning to fabric architectures to support the shift to east-west network traffic between servers, which is quickly becoming more prominent than north-south traffic from the core to end users.

The news source said this switch to support east-west traffic is attainable by dropping the Ethernet core and spanning tree protocol. With these systems out of the way, data center operators can turn to network equipment that supports layer 2 multiplexing, transparent interconnection of lots of links and other emerging protocols that enable fabric architectures.

This process enables a flat Ethernet network that enables free traffic flow between servers, which is becoming key as web and application servers increasingly need to gather information from database systems.

Virtualization is a major contributor to the growing amount of east-west traffic. A recent InformationWeek article said virtual infrastructure is leading a growing number of data center operators to embrace fabric architectures to enable flat network architectures. 

 

 

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