Summary
This chapter covers the concepts and details involved in effectively designing and sizing for SBC integration in a collaboration deployment. The chapter first outlines the general constraints that dictate SBC scalability and sizing. General sizing guidelines that pertain to CUBE are also provided for the various supported platforms. The next section in the chapter provides an overview of licensing for an SBC and details the current licensing schemes specific to CUBE. The last section of the chapter outlines overload techniques on SBCs, covering the general SIP overload techniques as well as the concepts of CAC and RSVP.
This chapter should give you adequate knowledge to properly specify and design an SBC deployment that is suitable to support the intended call capacity, as well as defend against conditions where intended capacity is exceeded.