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Connectria's Network Infrastructure

Wide Area Network
Connectria maintains multiple, redundant connections to the Internet including DS3, OC3, 100 Mb and Gig-E connections from numerous providers including UUNet (MCI), Level 3, and Internap. Additionally, Connectria also provides private, point-to-point telecommunications circuits from our data centers and our customers. Each of Connectria's network providers have two diverse fiber connections into our facilities that enter from opposite sides of the building. Our redundant Internet connections may be used to load balance for our hosted clients, and Connectria utilizes the Border Gateway Protocol Version 4 (BGPv4) to provide this redundancy between our connections.

In addition to connectivity redundancy, Connectria also provides Router redundancy using the Hot Standby Router Protocol (HSRP). Each Internet connection connects to a Cisco 7XXX Router running HSRP to a backup Cisco 7XXX series Router. Should one of the Cisco Routers fail, the backup Router at that site will assume the failed Router's gateway IP addresses and Internet traffic. This allows any servers whose gateway failed to use the backup Router, with minimal interruption. This fail over occurs in ten seconds or less.

Local Area Network
All data centers are running switched 10/100/1000 Ethernet backbones as well as Fibre. There are three main backbones at each data center: Production, Load Balancing and Backup/Restore.
  • Production Backbone - This network contains all Internet-based traffic into and out of Connectria. All non-load balanced servers/services (DNS, Windows Domain Controllers and Name Services, Mail, non-load balanced servers, etc.) run on this backbone. Connectria operates multiple DNS servers and Windows Domain Controllers at its facilities for redundancy. This backbone utilizes gigabit Ethernet for uplinks and switched 10/100/1000 Mbps connectivity to servers.
  • Storage Area Network (SAN) Backbone - This network contains all traffic to Connectria's Fibre Channel based XIOtech and EMC SANs. Each server that is attached to a SAN will contain a Fibre Channel connection to a Brocade Silkworm Switch which connects the servers to the SAN.
  • Load Balancing Backbone - This is where all load-balanced traffic flows from the production backbone, through our Foundry Server Iron load balancers, and into backbone where connections are distributed to server clusters. This backbone consists of Cisco switches. This backbone utilizes gigabit Ethernet for uplinks and switched 10/100/1000 Mbps connectivity to servers.
  • Backup Backbone - This backbone is dedicated to backup, restore and administrative traffic. The backup network is physically and logically separate from the production, SAN and Load Balancing networks for increased performance and capacity.
Connectria regularly researches new network technologies to support additional capacity and increase performance.

Load Balancing Technologies
Connectria's redundant Foundry Server Iron load balancers provide a highly available, scalable system that load balances traffic across multiple servers in a server farm. Servers can be automatically and transparently placed in or out of service, and the Server Iron units are equipped with a hot standby fail over solution to eliminate all points of failure for the server farm. Foundry's Server Iron is a high performance Internet appliance with proven performance in the highest traffic Internet sites. Connectria's CA Unicenter monitoring environment also has functionality built into it that provides application level monitoring and integration with Server Iron appliances.
 
Microsoft Windows Advanced Server 2003 NLB (Network Load Balancing) Service
This is a software based load balancing solution that distributes load across multiple servers in a farm. Servers can be automatically and transparently placed in or out of service, and this software is part of the operating system that can be run on each Windows server, if the Advance Server license is purchased. This means that if any of the servers go down, your server environment is still up.
 
Private Networks
Connectria has the ability to install and configure leased lines (T1s, frame relay, ISDN, etc.), software client/server VPN solutions, and Router-to-Router VPN tunnels.


Learn More
To learn more about Connectria or to receive a detailed quote on any of our services, please contact us.

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