Increasing Throughput on SMPP Links

We recently began using what we call an SMS Push application.  SMS Push allows us to send Text Messages to our subscribers in bulk.  Typically these messages are some Marketing promotion or a Customer Service announcement. The message text and a list of MDNs is provided to the application and it sends them serially, one at a time.  We wanted to speed that up.

The SMS Push application was provided by Quantum System Integrators in Costa Mesa, CA.  We’ve worked with them on several projects before and they’ve always high quality software and services with excellent customer support.  The application runs on Sun Solaris and is started from the shell command line.  It sends a predetermined messages to each MDN in a list provided as a command-line argument.  The application spawns a single instance of itself and sends the messages.  Through-put has been about 1 message per second, using an SMPP link to our Primal Technologies SMS-C. Continue reading “Increasing Throughput on SMPP Links”

PDSN packet inspection

Today Nortel presented their solution for monitoring and billing high bandwidth users of the wireless broadband network.  Software running directly in the Starent PDSN  basically uses deep packet inspection to implement traffic shaping.  The product is called Enhanced Charging Services (ECS) and it claims to provide integrated content-based billing.  The solution as presently sold might not truly be called “deep” packet inspection.  It only looks as deeply as layer 4, TCP and UDP packets.
Continue reading “PDSN packet inspection”