BGP Confederations
BGP confederation is a method to use Border Gateway Protocol (BGP) to subdivide a single autonomous system (AS) into multiple internal sub-AS’s
Internet Architecture
Interconnection, peering, Data centers. How the Internet works. IXPs, transit, and other topics. Routing and Control Planes such as BGP and OSPF protocols. RPKI and IP resources are also covered.
The problem with peering from a logistics standpoint
Many ISPs run into this problem as part of their growing pains. This scenario usually starts happening with their third or 4th peer.
Transit, peer, upstream. What do they all mean?
As you dive into the realm of BGP, you will hear many terms in regards to peers. Knowing their names AND your definition of them will serve you well.
BGP communities and traffic engineering
For the purpose of part one of this article, we will talk about communities and how they can be utilized for traffic coming into your network.
Transit, peer, downstream..what do they all mean?
As a service provider you have a mountain of terms to deal with. As you dive into the realm of BGP, you will hear many terms in regards to peers. Knowing their names AND your definition of them will serve you well. I emphasized the and in the last sentence because many people have different … Read more
IPV6 Planning and Implementation resources for the Internet Service Provider (ISP)
This post is designed to give you a lot of information on implementing IPV6 into your network. Much of this has been aimed at the service provider market.
Are you ready for 768k day?
As the global routing table increases, routers use more and more memory to hold these tables in memory. Most routers use what is called TCAM memory to hold routing tables. TCAM memory is much faster than normal RAM, which makes it ideal for accessing large routing tables on a router. However, TCAM is generally viewed … Read more
Where does TRILL and VXLAN fit in to your network strategy?
As networking trends yo-yo between layer-3 and layer-2 centric different protocols have emerged. Protocols such as Transparent Interconnection of Lots of Links (TRILL), Shortest Path Bridging (SPB), and Virtual Extensible LAN (VXLAN) have emerged to address the need of scalability at Layer2. Cloud scalability, spanning tree bridging issues, and big broadcast networks start to become … Read more
What is an LOA for a cross-connect?
LOA’s (Letters of Authority/Authorization) are a mystery to many. We help many of our customers with LOA’s on a semi-regular basis. If you are here you are probably wanting to find out what an LOA is and how to properly fill one out. When you or a provider orders a cross-connect within a facility, such as … Read more
Zip Ties or no Zip Ties in the data center
Fluke networks has fired another volley in the “zip ties vs. velcro” for cables front. While this article does not address velcro vs Zip ties directly, it does bring up some points about using zip ties. https://www.flukenetworks.com/blog/cabling-chronicles/beauty-isn-t-skin-deep
Data Center Tiers
Tier 1 = Non-redundant capacity components. things such as power have single feeds. 99.671% Uptime no redundancy 28.8 Hours of downtime per year. Tier 2 = Tier 1 + Redundant capacity components. 99.749% Uptime Partial redundancy in power and cooling Experience 22 hours of downtime per year Tier 3 = Dual-powered equipment and feeds for power, … Read more
PeeringDB Tutorial
The folks over at PeeringDB have a presentation on setting up an account and adding your network. https://docs.peeringdb.com/presentation/20190227-peeringdb-workshop-2-main.pdf