Automatic Web Traffic Generator

Scaling OSPF and IS-IS

Another issue with the scaling of LSAs and LSPs concerns the ability of link ... When there is a low-MTU link along the flooding path, an OSPF or IS-IS implementation can do one of three things: It ca... read more

EIGRP vs OSPF – Take 2

I mean where are the “ISIS vs OSPF” debates ... Conversely, the as the number of nodes (routers) grow in a network, the work OSPF has to do increases, forcing more OSPF areas so it can scale to, forci... read more

Networking 101: Understanding Routing

Source-based routing doesn’t scale, and introduces security problems ... First, we have IGP, or Interior Gateway Protocols. RIP, OSPF, and ISIS are a few IGP’s you may have heard about. These are rout... read more

How network overlays could benefit provider backbones

The shift from offering services on traditional hardware routers to software on x86 servers happens while the core retains the foundational protocols of large-scale ISPs: an interior gateway protocol ... read more

Graph Theory and Calculating Network Topologies

The open source HPCC Systems platform is a proven, easy to use solution for managing data at scale. Visit our Easy Guide to learn ... The most common algorithms in use in networking today (OSPF, ISIS) ... read more

Changing network architectures and cultures, part 1 - SDN

Traffic engineering extensions to IP routing protocols (OSPF-TE and ISIS-TE) can monitor routers for bandwidth ... programmatic access to control plane functionality. For large-scale network operators ... read more

CEO Chat With Jerry Guo, Casa Systems

We have a complete routing protocol set. We not only do the regular RIP, OSPF, and BGP, we do everything in IPV4 and IPV6. We do ISIS as well and we do PIM [Protocol Independent Multicast] for our mul... read more

Nuage Tackles Visibility Challenge in SDN Environments

With VSAP, the company is offering an open tool that can work with any networking switch or router that supports such standard protocols as POpen Shortest Path First (OSPF), Border Gateway Protocol (B... read more

World IPv6 Congress – “The Buzz“

The technology has been submitted to the IETF as an Internet Draft and is entirely backwards compatible with existing deployments with a data plane that can use MPLS or IPv6 and a control plane that l... read more

Scaling OSPF and IS-IS

As with SPF enhancements, most flooding enhancements ... OSPF Update packets. The default interval is 33ms and can be changed in the range of 5 to 100ms. JUNOS uses a hard-coded delay interval that ca... read more