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Joint ITU-T SG 13 and ISO/JTC1/SC 6 Workshop on “Future Networks Standardization” (Geneva, Switzerland, 11 June 2012). Future Network: Naming and Addressing. Hyun K. Kahng, ISO/IEC JTC1 SC6 Korea University, kahng@korea.ac.kr. Table of contents. Scope References , Definitions
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Joint ITU-T SG 13 and ISO/JTC1/SC 6 Workshop on “Future Networks Standardization”(Geneva, Switzerland, 11 June 2012) Future Network: Naming and Addressing Hyun K. Kahng, ISO/IEC JTC1 SC6 Korea University, kahng@korea.ac.kr
Table of contents • Scope • References , Definitions • Challenges, Problems, Gap Analysis, Requirement • Scenarios to be deployed • Packet Transferring using GA scheme
Scope • Requirements • Problem Statements • Gap analysis • Design Objectives • Technical Challenges • Chronological Scenarios
References • ISO/IEC PDTR 29181-1 • ITU-T E.164 (1997) • ITU-T Y.1241 (2001) • ITU-T Y.2022 (2011) • ITU-T Y.2052 (2008) • ITU-T Y.2091 (2011) • ITU-T Y.2720 (2009) • ITU-T Y.3031 (2012) • IETF draft-ietf-lisp-23
Definitions • Definitions defined in id- LISP-23 • Routing locator (RLOC) • End point Identification (EID) • EID-prefix • End-system • Ingress Tunnel Router (ITR) • Egress Tunnel Router (ETR) • xTR • EID-to-RLOC Database • LISP site
Definitions • Definitions defined in ITU-T Y.2015 • Locator (LOC) • Node ID • ID/LOC mapping storage function • Definitions defined in ITU-T Y.2091 • Address • Identifier • Name
Definitions • Definitions defined in this TR • Geographical Addressing (GA) • Absolute geographical address • Relative geographical address • Geographical Locator (GLOC) • Geographical ID (GID) • End-node/Access-node/Edge network • GA-site • LER Locator Edge Router • LLER Local LER
Problem Statement(1) • Analog NAS: Telecom Network • Digital NAS: Computer Network
Problem Statement(2) • Diffculty In Network Integration • Different addressing formats • Different naming formats, addressing searching, transporting and forwarding. • A huge effort to overhaul the existing network infrastructures
Problem Statement(3) • Technical Limitations • Central Registration Authority • Address Space exhaustion • Address costs • Identifier-locator separation • Routing Table • Vertical Structure • DNS Translation • Data Encryption • Category addresses • Lack Geographic Consideration • No address in native language • No decimal naming system • IPv6 Limitations • New demands on old naming
Gap Analysis(1) • The need for a Clean Slate Design • Current IP-based networks • Deficient structural designs. • Inefficiency in NAS. • Inadequate evolutionary approaches i.e. IPv6 • Redesign IPv6
Gap Analysis(2) • The Gaps • On scalability • On security • On Quality of Service • On Heterogeneity • On Robustness • On customizability • On economic incentives
Requirement(1) • Aspects: • System Requirements • Special NAS requirements • Foreseeing mechanism • Compatibility Requirement • Others
Requirement(2) • System Technical Requirements • System Integrity Requirement • Intersystem Coherence Requirement • Structural Requirement • A network structure mixing virtual Layer-Three circuit switching and Layer-Four Packet switching • Separation of control layer and data layer
Requirement(4) • Specific Technical Requirements • Addressing Technical Requirements • Address Format • Separation of ID and Location • Addressing Model • Address Space • Variable Address Length • Address Types • Direct/Emergency/Verification/Geo • Address Selection
Requirements(5) Location represented by relative address Location represented by absolute address • Geographical addressing
Requirements (6) • Geographic Address Structure
Requirements (7) • Geographic Address Structure
Requirement (8) • Address Selection • Fields in Addressing • Addressing type • Mobile/Fixed node flag • Backbone/local flag • Bandwidth • Processor information • VC flag/region/lable • Service type • EID/GID • LOC/GLOC
Requirement (9) • Complementary Technical Requirements • Security Technical Requirement • New Communications Rules To Supplement New NAS • Address Allocation Encryption • Header • Emergency Routing • EXTENSION TECHNICAL REQUIREMENT • EVALUATION AND TEST REQUIREMENT
Scenarios To be Deployed(1) • Near-future scenario • IPv6, • ID/LOC separation • Unified ID • Mid-term or long-term scenario • Geographical addressing using GPS, or Satellite • 3-dimensional routing
Packet Transferring using GA scheme • Definitions • Geographical ETR (GETR) - ELER • Geographical ITR (GITR) - ILER • Access-node - LLER • EID-to-GID database • EID-to-GLOC database • GA-Site
Packet Transferring using GA scheme Transferring packets in backbone network using GA
Packet Transferring using GA scheme Transferring packets in backbone network using GA
Packet Transferring using GA scheme • Transferring packets inside of the edge network using GA • Registration of EID and GID to GITR
Packet Transferring using GA scheme • Transferring packets inside of the edge network using GA • Operations in the mobile access network
Packet Transferring using GA scheme • Transferring packets inside of the edge network using GA • Packet delivery in mobile access network with sub-access networks
Packet Transferring using GA scheme • Transferring packets inside of the edge network using GA • Operations in ad-hoc mobile network
Packet Transferring using GA scheme Transferring packets inside of the edge network using GA
FN-NAS Standardization Plan • MAJOR TASKS IN THE FUTURE • Refine and complete this technical report • Look for and select the best proposal for a general framework on FN-NAS • Standardize the general framework of FN-NAS • Make standards of specific schemes under the general framework of FN-NAS
FN-NAS Standardization Plan • MAJOR TASKS IN THE FUTURE • Make complementary standards or imbedding FN-NAS into Future Network system • Provide NAS assistance to study of Future Network applications • Start work on registration and distribution of numbers and addresses for Future Network • Make a plan for address resources management policies