SAN JOSE, Calif. -- IP Infusion, a leading provider of intelligent network software for enhanced IP services, announced today the availability of version 5.2 of its ZebOS™ Advanced Routing Suite (ARS). IP Infusion now adds Intermediate Systems-to-Intermediate-Systems for IPv6 (IS-ISv6), as well as Constraint-based Shortest Path First (CSPF) for IS-ISv4 support. “We are pleased to announce that our ZebOS Advanced Routing Suite IS-IS implementation now supports the IPv6 protocol extensions. With the growth of peer-to-peer networking applications, IPv6 is quickly becoming a key protocol component for communications equipment vendors. Our IS-ISv6 implementation continues our leadership in the IPv6 space,” said Nick Keating, President and CEO of IP Infusion. “Furthermore, we have added CSPF extensions to IS-ISv4 to provide traffic engineering solutions for vendors integrating the IS-IS protocol with an MPLS core network. We now have IGP traffic engineering support for both OSPF and IS-IS to interface with an MPLS backbone network.” IP Infusion Inc.