For a while it was hard to get a hands on an ARM, but that may not be the case soon. Five computer makers have announced servers with ARM processors that will challenge x86 systems in the mainstream market.
No matter how much tweaking is done, a router can only be made as secure as the firmware (operating system) allows. Routers vary drastically in in their security features, yet the subject never comes up in reviews.
Graylog is an open-source log management tool, complete with a three-tier architecture, super-scalable storage (based on Elasticsearch), an easy-to-use web interface, and a powerful toolkit to parse messages, build ad-hoc dashboards...
Ericsson and Cisco Systems are partnering to develop and sell next-generation networks -- Ericsson because it's cheaper than buying in or building the equipment itself, and Cisco because it's quicker than buying Ericsson.