ECTS/ECTP Test plan Dae Young KIM (Chungnam Nat'l Univ. South KOREA)

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Presentation transcript:

ECTS/ECTP Test plan Dae Young KIM (Chungnam Nat'l Univ. South KOREA)

Contents ECTS overview ECTP overview ECTP test plan

ECTS Overview(1)

ECTS Overview (2) Characteristics Various Group Transmission Mode Simplex, Duplex, N-plex Reliable / Unreliable / Semi-reliable Transmission QoS Selection Assumes network QoS (RSVP, DiffServ, …) QoS value is defined by boundary (CHQ, OT, LQA) Selection by negotiation Group Membership Management AGI (Active Group Integrity) Session Management Setup/pause/resume/termination/join/leave

ECTS Overview(3) Some Peculiar Service Primitives Session Setup creation/termination/join/leave/invitation Maintenance TC pause/resume/ report Ownership transfer N:N Data Transfer Reliable/Unreliable Data Transmission Token give/get

QoS Defined in ECTS(1) QoS Classes Performance Throughput/Delay/Delay Jitter reliability Corrupted/Lost error rate ordering no/local/causal/partial/total ordering miscellaneous protection/precedence QoS Value Defined with 3 number (CHQ, OT, LQA)

QoS Negotiation in ECTS

ECTP Overview ECTP Protocol Stack Six Parts of ECTP Simplex reliable(1), simplex QoS(2), Duplex reliable(3), duplex QoS(4) Nplex reliable(5), Nplex QoS(6)

ECTP-Relationship between P1 & P2

Scalable ECTP Tree Structure for Control Message one TO(Top Owner), zero or more LO(Local Owner), LE(Leaf Entity) CR Local HB

ECTP-Part1 Simplex Reliable Multicast Tree configuration for scalability Window based flow control Selective ACK with bitmap Session Control Connection management Late join/Leave Tree membership maintenance

ECTP-Part2 QoS Negotiation In The Connection Setup Phase QoS Monitoring Throughput Loss rate Delay & jitter QoS Maintenance Adjustment of data transmission rate Connection pause/resume/termination

ECTP-2 : Mechanism

Connection Setup ownermember Amember B CREATE.req CR_TPDU CREATE.indi CREATE.resp CC_TPDU CREATE.resp CC_TPDU Control Tree Configuration Network QoS Setup (RSVP, DS)

QoS Monitoring & Maintenance

ECTP & QoS Which Is Better?

ECTP local test environments

ECTP testbed – Test Plan KOREA (APAN/KOREN) KOREA (APAN/KOREN) CNU ETRI JAPAN -APII Testbed -Genkai /Hyeonhae JAPAN -APII Testbed -Genkai /Hyeonhae SINGAPORE (APII Testbed) SINGAPORE (APII Testbed) EU (TEIN) EU (TEIN) Others 6M 8M 1G 10M KOREN-CNU peering KOREN-ETRI peering

Q&A Thanks