Dragonflow Specs

This section contains detailed specification documents for different features inside Dragonflow.

Spec Template

• Title of your RFE
  • Problem Description
  • Proposed Change
  • References
• Example Spec - The title of your RFE
  • Problem Description
  • Proposed Change
  • References
• Distributed DNAT
  • Problem Description
  • Proposed Change
    • Setup
    • Configuration - Floating IP Added
    • Ingress
    • Egress
  • References
• Problem Description
• Proposed Change
  • Allowed Address Pairs
  • Port Security Disable
  • L2 ARP Supression
  • Blocking invalid broadcast/multicast traffic
  • DHCP protection
• References
• Selective Topology Distribution
  • Problem Description
  • Proposed Change
    • basic idea
    • Detailed design
• DragonFlow Data Plane Performance Testing Spec
• Testing scenarios
• East-West data plane performance testing
  • Environment setup
  • Tests description
  • Tests types
  • Total number of tests
• North-South data plane performance testing
  • Environment setup
  • Test description & scenarios
  • Tests types
  • Total number of tests
• Source-NAT (SNAT) data plane performance testing
  • Environment setup
  • Test description & scenarios
  • Tests types
  • Total number of tests
• Testing methodology
• Network link quality definition
• Tools & usage
• iPerf
  • Bandwidth performance
  • Reverse mode bandwidth performance
  • Datagram loss & Jitter
  • Latency (Ping)
• OVSDB Monitor
• Problem Description
• Solution Description
• Event Classification
• Conclusion
• IGMP Application and Multicast Support
  • Problem Description
  • Proposed Solution
    • Use cases
  • Proposed Change
    • Multicast packet filtering and routing
    • Databse Structure
    • IGMP packet handling
    • Manual multicast topology configuration
    • Synchronization with local ports
    • Synchronization across compute nodes
    • Router membership to multicast groups
    • Supported IGMP Versions
    • North-South Communication
    • Additional Configuration
    • OVS multicast snooping
  • References
• Keep DB Consistency between Neutron and Dragonflow
  • Problem Description
  • Proposed Change
    • Distributed Lock
    • Pseudo Code in Core Plugin
    • Data Model Impact
    • Data Synchronization
    • Neutron Plugin Data Sync
    • Master Neutron Plugin election
    • DB Check Load Balance
    • Local Controller Data Sync
    • Comparison By Version ID
    • Data sync for ML2 compatibility
  • Work Items
  • Potential Improvements
  • References
• Publish Subscribe Abstraction
  • Problem Description
  • Proposed Change
    • Solution Overview
    • Interoperability with previous mechanism
    • Publisher
    • Subscriber
    • Reliable Delivery
  • Neutron Publisher Proposed Solution
    • Delivery
    • Flow 1: Subscriber (re)connects
    • Flow 2: Publisher (re)connects
    • Flow 3: Subscriber missed a message in a mostly-idle system
    • Order
  • Neutron Server Publisher discovery
  • Controller-to-Controller Publisher Proposed Solution
  • Configuration Options
  • References
• Local Controller Reliability
  • Problem Description
  • Proposed Change
    • Solution to local controller restart
    • Solution to OVS restart
    • Solution to residual flows
    • Solution to missing flows
  • References
• Dragonflow control plane test
  • Out of scope:
  • Our goals:
    • 1. NoSQL Database Test Plan
    • NoSQL random access test scenario
  • 1. Preparation
  • 2. Random access script
  • 3. Record DB process activity
  • 3. Generate report
    • 2. Message Publish Subscribe Test Plan
    • 3. Neutron Objects Set-Up Time
  • We will test the following Neutron configuration entities
  • Basic test at zero state
  • Multiple tenants
  • Heavy usage of the system (at single box)
  • What we are going to test
    • 4. Stress Tests Scenarios
    • References
• Metadata Service Support
  • Problem Description
  • Proposed Change
    • Installed flows
  • References
• Redis Availability
  • Problem Description
  • Proposed Change
    • Description to step 1
    • Description to step 2
  • References
• Remote Device Communication
  • Problem Description
  • Proposed Change
    • Neutron Plugin
    • DF Local Controller
• Allowed address pairs
  • Problem Description
  • Proposed Change
    • Port Security
    • Security Group
    • L2/L3 Lookup
    • ARP Responder
  • References
• Port QoS
  • Problem Description
  • Proposed Change
    • QoS Notification Driver
    • ML2 Mechanism Driver
    • QoS App
    • Port Created
    • Port Removed
    • Port Updated
    • QoS Object Delete
    • QoS Object Update
  • References
• Security Groups
  • Problem Description
    • Data path performance
    • Control plane performance
  • Proposed Change
    • Solution Guidelines
    • Pipeline Changes
    • Design
    • Remote security group in rules
    • Missing Parts
  • References
• Vlan Networking
  • Problem Description
  • Proposed Change
    • Two bridges per host
    • Port updated
    • Port delete
• Port status update
  • Problem Description
  • Proposed Change
    • Design principle
    • Pros and Cons
• Configuration Refactoring and Generation
  • Problem Description
  • Proposed Change
  • References

Indices and tables

• Index
• Module Index
• Search Page