Zigbee targets Internet of Things

The Zigbee Alliance has published its latest spec allowing huge numbers of Zigbee devices to directly connect which is seen necessary for future Internet of Things (IoT) applications.

Zigbee (the path a bee flies) is an IEEE standard (IEEE 802.15.4) and the new IP Direct Internet Connection addition adds support for network and security layers and an application framework that is scalable with IPv6 connected devices. The Zigbee Alliance state it is the first IPv6 open wireless mesh standard.

The main advantages of Zigbee against other systems is that it's very low power, automatically meshes new nodes and supports a wide range of standards such as 6LoWPAN, IPv6, PANA, RPL, TCP, TLS and UDP as well as supporting end-to-end encryption. It operates in the licence exempt 2.4GHz band as well as other bands in other regions.

RIPE NCC on last IPv4 /8

RIPE NCC the European IP registry has today reached the last /8 of IPv4 address (a /8 block means x.255.255.255 so there are 16.8m usable addresses). Local registries will now only be able to apply for single /22 blocks (i.e. 1024 addresses).

Though the use of IPv4 addresses has been reduced by utilising methods such as dynamic IPs and network address translation (NAT), the explosion of connected devices means that IPv4 space is now close to being used up. Registries will only be able to get these last be blocks if they already have and are using IPv6 blocks.

The only rational way forward is for more Internet Service Providers (ISPs) to support the new IPv6 protocol and roll IPv6 services to consumers. Most current operating support IPv6 natively, though not all consumer routers/etc do.

The death bell for IPv4 is now ringing.