Podcast - MPLS-Multi-Protocol Label Switching - Know More, Sell More

May 30, 2008
Free Tutorials for Channel Partners
 
Channel Partners can now use multimedia tutorials proven to “reduce the sales cycle” on their website for staff and customer education.  That is, use these free tutorials on the website or email newsletters as a means to help customers understand complex technical subjects. As one channel partner said it best, “these tutorials make it easy for the website to be one of our top sales resources. In addition, having the tutorials on-my-iPod is a cool-tool to show-off to customers.” 
 
This free presentation is produced and presented by TECHtionary.com and is available in Adobe Flash (.swf), audio-only (.mp3), Apple Quicktime (.mov) and iPod/iPhone (.mv4) formats for download at: http://www.bizcastingonline.com/educate/media/podcasts/mpls/
until June 5 when it will be removed unless you are part of the TECHtionary dealer program where there is no expiration.
 
MPLS Tutorial
To begin with, IP-Internet Protocol packets may have a number of labels or "tags" attached to them. MPLS-Multi-Protocol Label Switching is just one type of label. In a Provider Provisioned Virtual Private Network known as PWE3 or PPVPN, there may be more than one label. Here are some terms associated with labeling:
- Push - add a label
- Swap - replace the label
- Pop - remove the label
 
Here are some other terms associated with labeling.
The outer label identifies the LSR-Label Switch Router.
The inner label identifies the destination VPN-Virtual Private Network.
 
Shown in the audio-visual tutorial is the IP-Internet Protocol packet before and with the MPLS “label” attached or “tagged” on as it was originally called. MPLS consists of four elements, label bits, experimental bits, a stack bit and TTL-Time-To-Live bits which indicate the number of Label Switch Routers passed. Shown here is the “multi-protocol” part of MPLS and how it works with the other major networking protocols such as ATM, Frame Relay, Ethernet and others.
 
As if one label was not enough, MPLS providers may add more labels. These labels may exist within the MPLS provider’s network but may be removed or "popped" as they leave the network to the customer premise or "edge" or LER-Label Edge Routers. A PPVPN control module adds "pushes" labels and determines routing via LSR-Label Switch Routers where labels may be "swapped" as they change or cross to other networks called AS-Autonomous Systems.  The term LVC-Label Virtual Channel has been associated with this emerging concept.
 
As long as each MPLS provider or AS-Autonomous System communicates the value of QoS-Quality of Service for the MPLS label to other MPLS providers and routes it accordingly, each carrier can determine their own MPLS labeling system. That is, if each AS carrier routers video as video or email as email or other known rules, then the packets will be treated with the desired QoS. When leaving the MPLS Network or network "edge" the MPLS and other label(s) are popped (off) and the IP packet returns its original size.
 
Background
These audio-video tutorials are available in number of media formats such as Adobe-Flash (.swf), .mp3 (audio only), Apple QuickTime (.mov) - iPod (.mv4) and other formats.  Here are some of the other tutorials available:
-        T-1-PRI-ISDN-Integrated Services Digital Network
-        Hosted VoIP-Voice over Internet Protocol
-        Managed VoIP
-        IAS-CAS-Integrated-Converged Access Services
-        VPN-Virtual Private Networks
-        SIP-Session Initiation Protocol “Event” Notification
-        SIP Security
-        SIP TCO-Total Cost of Ownership
-        SIP Future Outlook – IMS-IP Multimedia Subsystems
-        MPLS-Multi-Protocol Label Switching – “Pushing, Swapping & Popping”
 
Podcast tutorials, animations and online courses are free to channel partners – see terms and conditions at http://www.techtionary.com/techu/. 
 
For customizing, special discounts, website animations, technical/sales training, technical writing and other services, go to http://www.techtionary.com or please call Tom Cross at 303-594-1694 or cross@gocross.com. 
This is also included in TMC University special course on Microsoft OCS-Office Communications Server at ITexpo.com. For more go here:http://www.tmcnet.com/voip/conference/west-08/tmc-university-microsoft-ocs.htm
If you are a planner, provider, channel partner, or interested party in
Microsoft's ResponsePoint or OCS-Office Communications Server, you are
invited to join this new Yahoo! Group. To join, go here:
http://tech.groups.yahoo.com/group/ocs-responsepoint/


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