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Publish-Subscribe Internet Routing Paradigm - PSIRP. Professor Arto Karila Helsinki University of Technology Helsinki Institute for Information Technology. Routing. Vision.

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publish subscribe internet routing paradigm psirp

Publish-Subscribe Internet Routing Paradigm -PSIRP

Professor Arto Karila

Helsinki University of Technology

Helsinki Institute for Information Technology

AMICT’2009

vision

Routing

Vision
  • Publish–subscribe based internetworking architecture restores the balance of network economics incentives between the sender and the receiver
  • Recursive use of publish-subscribe

paradigm enables dynamic

change of roles between actors

Envision a system that dynamically adapts to evolving concerns and needs of their participating users

Security

network economics

Unification of

wireline and wireless

AMICT’2009

approach
Approach

Clean-slate design…

  • Question ALL fundamentals
  • Challenge our thinking
  • Take nothing for granted, including industry structures
  • Clear vision

…with late binding (to reality)

  • Consider migration and evolvability in separate work items
    • How to get our design into real deployments, e.g., overlay vs. IP replacement?
  • Even consider necessary evolution of industry (& regulatory) structures
    • How do industries need to evolve in certain scenarios?

AMICT’2009

project overview
Project overview

Project Coordinator

Arto Karila

Helsinki University of Technology, HIIT

Tel: +358 50 384 1549

Fax: +358 9 694 9768

Email:arto.karila@hiit.fi

WP1 Management (TKK-HIIT)

WP2 Architecture Design

(TKK-HIIT)

  • Partners:
    • Helsinki University of Technology Helsinki Institute for Information Technology (FI)
    • RWTH Aachen University (DE)
    • British Telecommunications Plc (GB)
    • Oy L M Ericsson Ab (FI)
    • Nokia Siemens Networks Oy (FI)
    • Institute for Parallel Processing of the Bulgarian Academy of Science (BG)
    • Athens University of Economics and Business (GR)
    • Ericsson Magyarorszag Kommunikacios Rendszerek K.F.T. (HU)

WP3 Implementation,

Prototyping & Testing (LMF)

WP4 Validation and Tools

(BT)

WP5 Dissemination and

Exploitation (NSNF)

Duration: January 2008 – June 2010

Total Cost: €4.1m

EC Contribution: €2.5m

Contract Number: INFSO-ICT-216173

Project website: www.psirp.org

AMICT’2009

it s all about information

Internet Today:

  • In 2006, the amount of digital informa-tion created was 1.288 X 10^18 bits
  • 99% of Internet traffic is information dissemination & retrieval (Van Jacobson)
    • HTTP proxying, CDNs, video streaming, …
  • Akamai’s CDN about 15% of traffic
  • Between 2001 and 2010, information will increase 1million times from 1 petabyte (10^15) to 1 zettabyte (10^21)
  • Social networking is information-centric
  • Most solutions exist in silos
    • overlays over IP map information networks onto endpointnetworks
  • Internet Tomorrow:
  • Proliferation of dissemination & retrieval services, e.g.:
    • context-aware services & sensors
    • aggregated news delivery
    • augmented real life
  • Personal information tenfold in the next ten years (IBM, 2008)
  • Increase of personalized video services
    • e.g., YouTube, BBC iPlayer
  • Vision recognized by different initiatives & individuals
    • Internet of Things, Van Jacobson, D. Reed
  • Lack of interworking of silo solutions will slow innovation and development speed
It's All About Information

AMICT’2009

hypothesis increased information requires information centric networking approaches
Hypothesis: Increased Information Requires Information-Centric Networking Approaches

Application developers care about information concepts

  • Creation of information topologies of various kinds

-> Endpoint-centric networking structures are inadequate

  • Topological network changes too slow in timescale
  • Topological network boundaries too restrictive
  • Topological network boundaries often not aligned with information topologies
  • Overlaying possible but restricted in (developer) scalability

-> If it is all about information, why not route on information?

AMICT’2009

main design principles

Information

reachability /

scoping

Information

Hierarchies

Communication Model

Main Design Principles
  • Information is multi-hierarchically organised
    • Information semantics are constructed as directed acyclic graphs (DAGs)
  • Information scoping
    • Mechanisms are provided that allow for limiting reachability of information to parties
  • Scoped information neutrality
    • Within each information scope, data is only delivered based on a given (rendezvous) identifier.
  • The architecture is receiver-driven
    • No entity shall be delivered data unless it has agreed to receive those beforehand.

AMICT’2009

information centrism is key
Information is everything and everything is information

Bootstrap other concepts, e.g., identity, policy, …,

Scopes build information networks

Policy is metadata

So is scope!

Producers and consumers need no internetwork-level addressing!

Information-Centrism is Key

Data: Mail

Data: Picture

Governance

policy

Governance

policy

Scope Company A

Scope Family

Scope Friends

Governance

policy

Spouse

Father

Friend

Colleague

AMICT’2009

identifiers

Publish / Subscribe

Data

Metadata

(source is implementation-dependent)

Includes...

Application Identifiers

(AId)

Includes...

Resolved to...

Associated

with...

Scope Identifiers

(SId)

Rendezvous Identifiers

(RId)

Resolvedto...

Forwarding Identifiers

(FId)

Define...

Network Transit Paths

Identifiers

AMICT’2009

component wheel
Component Wheel

AMICT’2009

conclusions
Conclusions
  • PSIRP is an ambitious project!
  • It challenges our thinking but will not neglect migration & deployment!
  • Vision, design principles, and concepts are sound and aim for the Future Internet
  • Major tasks are well underway
    • Major deliverables on architecture, implementation and evaluation already delivered
  • Community engagement through public deliverables and (to-be-released-soon) open source code

AMICT’2009