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Comments - 1. Motivating examples More control over routing decisions Bootstrapping networks: Zero device-specific config Joint control of data plane mechanisms Detecting/preventing end-system created security holes

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  1. Comments - 1 • Motivating examples • More control over routing decisions • Bootstrapping networks: Zero device-specific config • Joint control of data plane mechanisms • Detecting/preventing end-system created security holes • Dissemination plane – any two nodes with a physically connected path should be able to communicate • Should this be a goal to shoot for? • Does it require research or just engineering?

  2. Comments - 2 • Does the e2e principle have anything to say about control/management? • Minimize what 4D does – boot strap the network and then use existing mechanisms/management systems? • RSVP • With a broader view of both data (distributed) and VoIP (centralized), It's daunting to tackle the full complexity that arises

  3. Research Problems • Is it important to have a way to always talk to all nodes in the network so long as there is a physical path between the nodes? What is the best way to achieve this? • How deep should discovery be pushed into the end-systems? Is there a general abstraction that can express the kinds of configurations seen today and the likely into the future? • How should decision logic be structured?

  4. Concrete Steps • Establish classic problems to use as benchmarks • Integrating a new router into a network using OSPF as an IGP • Establish measures for success • How to compare two different architectures? • Create a problem-formulation and call-to-arms paper

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