Network Services
                 • Largest campus network and largest bandwidth for an institu
                   te in CAS
                     • 10G backbone
                     • IPv4/IPv6 dual-stack
                     • Wireless covered (>250 APs)
                 • Exchange 4PB data/year
                 • Email/web/collaborative work/… services
                 • >3000 users
                                             Computer Center,IHEP
                             Local Network Topology
                                    Computer Center,IHEP
                  Key Features for the Topology 
                  •
                   Double  Core switches & Firewalls
                    –
                    High Capability , Stability, Easy Management…
                  •
                   Better Backbone Bandwidth
                    –
                    160Gbps(4X40Gbps) for Layer2 Switches
                    –
                     2X10Gbps for Storage Nodes
                  •
                   Clear Zones
                    –
                    Internal: Computing/Storage/AFS/DNS/Monitoring
                    –
                    DMZ: Public Servers/Login Nodes/…
                    –
                    Internet: Network Performance Measurement nodes
                  •
                   Two networks 
                    –
                    Data Network
                     •High Stability & Capability
                    –
                    Management Network
                     •High Stability           Computer Center,IHEP
              International and Domestic Link
              s
                                    Computer Center,IHEP
              IPv6@IHEP-Deployment 
            • Internet bandwidth
               • 10Gbps to CSTnet
            • IPv6 network devices  
               • ~150 switches 
               • ~300 AP
            • IP address allocation
               • SLAAC
            • Network monitoring
               • Cacti / Nagios with IPv6 patch
            • Network security
               • IPv6 ACL(Linux)
               • Anything out / Nothing in
                                    Computer Center,IHEP