The report also addresses which applications and systems will be the first to need 40 / 100 GigE and how big will that demand be , how 40 / 100 GigE will play out in the metro and long-haul networks as well as in the data center . This new CIR report also discusses the most likely technology roadmap for the first commercial 40 / 100 GigE products with coverage of transmission formats , MSAs and the 40 / 100 GigE strategies of leading firms active in this space including Cisco , Juniper , Sun Microsystems , Force10 , Nortel , JDSU , Finisar , Avago , Luxtera , Opnext , Xilinx , Altera , IBM , LSI , Gennum , AMCC , Vitesse and Broadcom .