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Blog

Yesterday, an incident occurred where an Autonomous System (AS) advertised more than 7,000 prefixes that belong to other networks. These are “more specific” prefixes—subsets...

Peering policy

As discussed in earlier posts, as networks grow larger it starts making sense to exchange traffic with other networks directly (peering) rather than pay...

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...

packet loss

As explained in our last blog post, packet loss and latency can seriously impact application performance. There's not much we can do about latency,...

packet loss

The triumvirate of network performance metrics are latency, loss and jitter. Today, we're going to take a look at how each of them —...

network downtime

Business people often believe that in order to have a reliable system, you need reliable components. Using reliable components to build your network certainly...

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...

At home, we pay an ISP to transport our packets to and from the rest of the world. Most organizations do the same. But...

After reading the title of this article you may be thinking of small neighborhoods in the world's most-connected cities where BGP-minded people live together,...

One thing we all learn quickly after getting started with BGP is that if left to its own devices, the protocol will happily propagate...


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