************
                             *          *
                 Router1     *  RTR     *
                             *          *
                             ************
                             | | |  | | |
                             | | |  | | |
          T-1 Lines -------> | | |  | | |
                             | | |  | | | 
                             / / /  \ \ \         
                            / / /    \ \ \
                           ******    ******
                           *    *    *    *
                 Router2   * RTR*    * RTR* Router3 
                           *    *    *    *
                           ******    ******

Ok I currently have 2 routers going to core router up above.  Both 
routers are running CEF.  And both are configured to run Load Balancing 
Per Packet. So packets are being distributed evenly across 3 T-1s on 
each side. Ok so now I am doing this at Layer 2. Customer currently had 
an idea put in their head about IMA (Inverse Multiplexing).  Well with 
IMA I will be taking 3 T-1s and making them look like one giant pipe, 
but it will fragment/Segment/chopup whatever you want to call it the 
traffic and ship the data across all 3 physical pipes in a round-robin 
fashion.  This is done at the SAR level, if I am not mistaken.  Layer 2 
again, Right?  What is the benefit to traffic?  Latency/Delay 
improvement?  Still have inherent delays of T-1s.  Anyone got any 
feedback or ideas?  Am I in left field.  

Tim 

A servant of my misfortune




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