we're going to be able to ask our computers to monitor ... · swf swa traffic originating from...
TRANSCRIPT
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We're going to be able to ask our
computers to monitor things for us,
and when certain conditions happen,
the computers will take certain
actions and inform us after the fact.
~ Steve Jobs
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Network Packet Monitoring Optimizations Powered By SDN
Dharmraj Jhatakia, GM & Head of Data Centre Technologies Happiest Minds Technologies Private Ltd
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Overview of Network Monitoring
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Quick Recall on Techniques of Network Monitoring
• Active Probing – Injecting special packets
• Device Probing – Querying for device properties e.g. SNMP
• Log Analysis – Analysis of system generated data
• Flow Collection – Flow level data analysis - NetFlow.
• Packet Monitoring – Most advanced, packet level, granular monitoring technique
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Why Monitor ?
• Recording of conversations
• Next Generation Firewalls, IDS, IPS
• Lawful Interception by Telecom Service Providers
• Proactive Network Performance tuning
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Typical Deployment
MonitoringFunction
Original Data
Replicated Data
MgmntConnect
Inline Monitroing
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SDN Powered Packet Monitoring
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Challenges of Today’s Data Centre
• Virtualized Work Flow and challenges with VM movements
• Redundancy and Availability at Low Cost
• Optimal usage of capacity for production traffic
• Contention for limited SPAN ports
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SDN enabled monitoringdeployment
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VM Migration Use Case
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VM is hosted onServer Rack 1
VM Migration Use Case
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VM is hosted onServer Rack 1
MD3
SWBSWE
SWFSWA
Traffic Originating fromVM and destined toSwitch F is being monitored on MD3.
VM Migration Use Case
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VM Migrates toServer Rack 2
SWE
SWF
MD3
SWB
SWA
SWD
VM Migration Use Case
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New PktIn From Switch D to SDN Controller
MD2 Enabled
MD3
SWBSWE
SWFSWA
SWD
MD2
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SWBSWE
SWFSWA
SWD
MD2
Mirroring on SWB disabled
Monitoring on MD3 Disabled
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Optimizing Distributed Monitoring - Fail Safe
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Optimizing Distributed Monitoring - Conservation
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Efficient Capacity UsageOn Demand Mirroring• Traditional monitoring system use primitive filters and
hence replicate lot of unnecessary traffic
• SDN & DPI can help us perform on demand monitoring
• For example: Enabling Monitoring only for VOIP traffic from a particular source
• PktIN received at controller can be sent to DPI engine which computes the resultant action
• The controller, based on the action, performs the configuration and hence an optimal on demand monitoring
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Business Benefits of SDN Powered Packet Monitoring
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Why would they Care for SDN enabled Monitoring?
• Enterprises and CIOs
• Capex savings – Monitoring solution deployed using WhiteBoxSwitches, ODL controller, and a variety of free tools
• Opex savings distribution of monitoring functions without replication
• For Existing Monitoring Solutions Vendors
• Offer scale as you go / pay as you go models
• Ability to break into price sensitive customers
• Allow to focus on feature rich solutions and
advanced applications
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Who and Why Do they Care for SDN enabled Monitoring?
• For Start Ups
• Focus on building innovative solutions and reducing time to market
• For ISPs
• Agility and flexibility of offering monitoring services
• Newer business models
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Case StudyHappiest Minds Co-Creation with a leader in Packet Monitoring
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Our Visionary Customer’s approach
• Customer, one of the top players in Packet Monitoring solutions, wanted to offer a new monitoring solution which is based on bare metal switches and SDN controller. [
• Customer evaluated multiple options, but nailed down on OpenDayLight as the controller
• Wide range of platform features which can speed up implementation
• Flexibility and Robustness
• Ability to leverage the contributions from a
very smart community of developers
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Happiest Minds’ Contribution to the Solution
• Customization and hardening of security
• Customization of the ODL modules
• Development of monitoring function SDN applications
• Transformation of the Monitoring application, which is the core IP of the customer, to an SDN Application
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THANK YOU