All E-series platforms use a single version of the JUNOSe operating system, and support a full suite of Internet routing protocols,[7] including BGP-4, IS-IS, OSPF, and RIP.
[10] The E320 was designed with video in mind, adding the Quality of service (QOS) and high availability that carriers want for IPTV,[11] as well as a huge increase in density.
[10] The Juniper ERX310 is a compact but high-performance router that has a 10 Gbit/s switch fabric, two slots dedicated to line modules, and supports up to OC12c/STM4 and Gigabit Ethernet interfaces.
They have a 5 Gbit/s switch fabric with optional redundancy, five slots for line modules, and supports up to OC12c/STM4 and Gigabit Ethernet interfaces.
They have a 10 Gbit/s switch fabric with optional redundancy, 12 line module slots, and supports up to OC12c/STM4 and Gigabit Ethernet interfaces.
The ERX1440 has a 40 Gbit/s switch fabric with optional redundancy, 12 line module slots, and supports up to OC48c/STM16 and Gigabit Ethernet interfaces.
The E-series JUNOSe system software and applications supports stateful Switch Route Processor switchover capabilities.