IPv6
The IPv4 party is over
On the 25th of November 2019, RIPE NCC made the final /22 IPv4 allocation from the last remaining addresses in the available pool and...
Segment Routing and the SRv6 Network Programming
IPv6 Addressing
The Internet Protocol version 6 (IPv6) adoption is growing at pace. According to Google statistics, 22% of the users reach Google over IPv6...
IPv10 – a Joke or a Serious RFC Draft?
Recently, a new Internet draft - Internet Protocol Version 10 (IPv10) attracted attention of network enthusiasts. People on the Internet forums often ask if...
A fresh look at BGP’s NEXT_HOP
Once a BGP session is established, routers will exchange two types of messages: KEEPALIVE and UPDATE. Keepalive messages are sent to let a neighboring...
IPv4 BGP vs IPv6 BGP
BGP is older than IPv6. Even BGP-4, the version we still use today, predates IPv6: the first BGP-4 RFC (RFC 1654) was published in...
BGP and OSPF. How do they interact.
In some ways, BGP is nice and simple. For instance, there's only one BGP: BGP version 4. Many network professionals have been asking the...