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The Internet of Things Meets Big Data – Is Your Network Prepared?

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The Internet of Things Meets Big Data – Is Your Network Prepared? Moxa’s Webinar The Internet of Things Meets Big Data – Is Your Network Prepared? Nick Sandoval Field Application Engineer Agenda Converged Networks • Internet of Things • Big Data Trends in Industrial Networks Best Practices • Edge to Core • Quality of Service • Predictive • Class Based • Multicast • Network Segmentation with Layer 3 Converged Networks What is a converged network? Network convergence is the efficient coexistence of multiple data types on a single network Offers convenience and flexibility not possible with separate infrastructures Helps leverage economies of scale Nick’s House Hot Topic: Industrial Internet of Things (IIoT) 7 Confidential Confidential Confidential Confidential Big Data Poll Question Do you currently build your network to account for Internet of Things and/or Big Data? a) Not yet, but considering b) Only looked at Internet of Things c) Only looked at Big Data d) Absolutely e) No Trend Trends in the Industrial Space Quad-Play Network Industrial Networking Paradigm Shift Legacy Pervasive Converged Device Networking Industrial Ethernet Automation Network • 1-to-N • N-to-N • N-to-N • S-to-E Gateway • Fieldbus-to-Ethernet • Native Eth. IP • Data, Command • Standalone Networks • OneNET for for Data, Control, Data, Control, Video, Voice Video, Voice SCADA center Surveillance center Network management Control Center/ Information Layer Ground Turbo Ring Turbo Chain Underground Control Saved Layer Saved Explosion- Saved proof cabinet Control & Monitoring Personnel Positioning Wireless Comm. CCTV Systems Systems Systems WiFi Device Mobile Layer phone Sensor Card Explosion- Reader proof cabinet Best Practices A Converged Edge-to-Core Industrial Ethernet Solution Industrial Industrial 10G Network Core Switch Management Core Rackmount 1G Ethernet Turbo Ring Switch Distribution Turbo Chain DIN-Rail Ethernet Switch Edge Media M12 Converter Substation Industrial Industrial Ethernet Ethernet Switch Wireless PoE Switch Field Secure Networking Networking PLC VPN PLC Meter Meter Meter Internet Serial to Industrial Fieldbus Tunnel Ethernet Gateway Converged Edge-to-Core Industrial Ethernet Solution Quality of Service Poll Question Is Quality of Service a metric when you design your network? a) Not really b) Absolutely c) The only metric I use is a ruler What is Quality of Service? Quality of service (QoS) is the overall performance of a of the network, above all the perceived performance seen by the users. Determinism a deterministic system is a system in which no randomness is involved in the development of future states of the system. -Wikipedia Industrial Application Require It Determinism is highly important Many Industrial Protocols like Ethernet/IP require it. Network failure in these environments can be very costly QoS Parameters Delay Jitter Reliability QoS Methodologies Predictive Quality • Requires Over-provisioning Flow-Based Quality • Flow - A stream of packets or frames with the same quality requirements is a flow • IntServ Class-Based Quality • Packets are clustered into groups • Node based prioritization • DiffServ Predictive Quality No congestion, all packets get through Requires the use of Over-provisioning Predictive Quality Why use a QoS protocol? Network applications communicate thru network Different network applications have different network needs - File transfer need large network bandwidth but not real time - VoIP bandwidth is small but need real time & small Jitter QOS prioritize frames to ensure important applications data get process earlier Collected Data Low Priority Control Low Priority High Priority Top Priority Message Top Priority Data Mgt. Control Mgt. High Priority collected Message Message Message Class-Based Quality Node level Groups data into groups Pro: •Highly scalable •Easy to implement Con •No standardization •Many different protocols Multicast Poll Question Do you use Ethernet/IP, video, or voice in your network? a) Yes b) Not yet, but plan on it c) Only Ethernet/IP d) No immediate plans Why Multicast? • Used when sending same data to multiple receivers • Better bandwidth utilization • Less host/router processing Multicast Advantages • Enhanced efficiency: Controls network traffic and reduces server and CPU loads • Optimized performance: Eliminates traffic redundancy • Distributed applications: Makes multipoint applications possible IGMP Snooping Concept What is Multicast Filtering? • Ensures certain groups receive multicast traffic • Network devices forward multicast traffic to ports that are registered B C D E F B C D E F B C D E F A A A Unicast: Multicast: Broadcast One to one One to several One to all Multicasting IGMP is the most popular multicast protocol End devices must support multicast protocol The network infrastructure needs to support IGMP snooping Network Segmentation with Layer 3 OSI Network Model Layer 3 Network Layer Routers Layer 3 Switches Confidential Difference Between a Layer 3 Switch and Router Layer 3 Switch Router Routing Performance Extremely Fast Slower Port Density Much Higher Limited Network Routing VLAN Based Interface Based Capability (Exception is EDR-810) Virtual Private Network Not capable Fully capable (VPN) Network Address Not capable Fully capable Translation (NAT) Firewall Not capable Fully capable DHCP Server Limited More capable When is Layer 3 Devices Used? Benefits Improved performance in large networks Increased security Better control of traffic Allow for VLAN routing and network segments Ideal Scenario Large installations Need for segregation or/and isolation Need for security NAT is needed Interfacing with WAN Broadcast In the Layer 2 Network Hub/Switch Hub/Switch Server Computer Server Broadcast Domain Hub/Switch Server Computer Computer There are 15 devices If everyone send a broadcast everyone will receive 14 packets Larger Broadcast Domain Hub/Switch Hub/Switch Server Computer Server Hub/Switch Server Computer Computer If there are 1000 devices If everyone send 100 broadcast packets everyone will receive 99900 packets Networking will becomes very busy Divide Broadcast Domain Broadcast Domain C Broadcast Router/Layer 3 Switch Domain A Broadcast Domain B Broadcast Key Takeaways Industrial networks are moving towards Converged networks that require a lot of bandwidth Setting up Quality of Service Scheme in a Network is crucial Multicast is important in environments where there is a lot of consumers of a producer Layer 3 is important in large networks to improve network performance and security Thank You © 2014 Moxa Inc. 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