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today s service providers face a number of challenges that require a new breed of solutions in order to ensure successful and profitable operation service providers operate in an environment of fierce competition that continues to drive service pricing down furthermore ensuring and increasing profitability are key goals for any service provider which presents the additional challenges of controlling capital expenditures capex and operational expenditures opex foundry s netiron xmr series routers are built to effectively address all these hurdles by offering the state of the art in hardware and software design based on a superior terabit scale architecture that includes foundry s cutting edge fifth generation network processors this series comprises the industry s most powerful high density ipv4 ipv6 mpls multi service routers to enable the deployment of scalable high value and profitable services the netiron xmr series offers highly versatile cost efficient solutions for internet routing inter metro backbones large scale multi service backbones and ip carrier s carrier transport the netiron xmr series includes the 4 slot netiron xmr 4000 the series offers industry leading port capacity and density for both carrier ethernet and packet over sonet sdh pos with up to 128 10 gbe 640 1 gbe 64 oc 192 stm 64 or 256 oc 48 stm 16 ports in a single chassis high density router the netiron xmr series is designed from the ground up for high performance and scalability to address the needs of the most demanding isp internet data center inter metro connectivity and multi service operator applications all routers in the series feature wire speed low latency and low jitter routing for ipv4 ipv6 mpls and mpls vpn services and they support both edge pe and core p router deployments for metropolitan area networks mans the netiron xmr series is capable of wire speed low latency and low jitter layer 2 switching to allow for cost efficient and seamless integration with layer 2 mans or laye