End- End -to to- -End End QoS QoS Management Management - - - PDF document

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End- End -to to- -End End QoS QoS Management Management - - - PDF document

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Purdue MSI Proposal May 5, 1999 NSF CISE/EIA Research Infrastructure PI Workshop MSI : Research I nf rastructure f or I ntegrated Quality of Service (QoS) Management in Multimedia Computing Environments A.K. Elmagarmid, A. Ghafoor, T. Korb,

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SLIDE 1

Purdue MSI Proposal May 5, 1999 Networking 1

MSI : Research I nf rastructure f or I ntegrated Quality of Service (QoS) Management in Multimedia Computing Environments

Project Objective

To develop an infrastructure that will integrate key information technologies which include database and storage management, networking, and security in order to support a comprehensive end-to-end QoS management framework for distributed multimedia document applications.

NSF CISE/EIA Research Infrastructure PI Workshop A.K. Elmagarmid, A. Ghafoor, T. Korb, K. Park, E. Spafford

  • W. Aref, S. Fahmy, S. Prabhakar, D. Yau

Purdue University

User User-based based QoS QoS Specification Specification

  • Reliability
  • Resolution
  • Rate of Presentation
  • Display Area
  • Temporal Synchronization ( Intra/Inter )

Meta Data / User Interface

Translation Translation

  • End-to- End

Delays

  • Jitter Delay
  • Bandwidth
  • Packet Loss Rate
  • Storage Throughput/

Bandwidth

  • Storage Delays
  • Distributed Database

Coordination (QoS)

  • CPU Throughput
  • Memory Overflow

and Reliability

  • Intrusion Detection
  • Access Control

Database Security OS Network

Negotiation Negotiation

Dependency Model Analysis and QoS Adjustment

End End-to to-End Run End Run Time Resource Time Resource Management Management

End-to-End Resource Allocation and Scheduling

End End-

  • to

to-

  • End

End QoS QoS Management Management

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SLIDE 2

Purdue MSI Proposal May 5, 1999 Networking 2

Resear ch Act ivit ies f or Mult imedia Document Dat abase and St or age Management

Multimedia document modeling and

QoP specification schema

Resolution, reliability, rate, synchronization, processing, contents, security attributes

Development of efficient

clustering, searching and indexing techniques for multimedia documents

Distributed Object

Management

Network caching techniques

for composition of distributed multimedia objects

Digestive System Esophagus Stomach Omasum Abomasum Protozoa Salivary Glands Small Intestine Large Intestine Rumen Reticulum

Exit

Multimedia Browsing Graph

The Ruminant Digestive System Four compartment stomach that:

  • utilizes complex

carbohydrates such as cellulose

  • utilizes non-

protein nitrogen sources

  • utilizes feeds of no nutritive

value for humans Rumen The rumen, the first compartment of the ruminant stomach, is essentially non- functional at birth but develops rapidly when calves are given solid feeds such as hay and grain.

Resear ch Act ivit ies f or Mult imedia Document Dat abase and St or age Management

Multimedia data placement and caching techniques

for hierarchical storage management system

Parallel disk array architecture Clustered server architecture

QoS-sensitive real-time disk scheduling techniques for

multimedia data

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SLIDE 3

Purdue MSI Proposal May 5, 1999 Networking 3

Fir st Year Exper iment al Act ivit ies f or Mult imedia DBMS

Architecture for distributed multimedia system has

been developed

GUI and search engine for content-based retrieval of

multimedia documents have been partially implemented

Several novel data placement and disk scheduling

policies have been developed and implemented on a RAID architecture

SHORE and PREDATOR object-oriented systems are

being extended to serve as video and multimedia document database management systems

Multimedia Database Client

Visual Tool for Multimedia Document Generation Multimedia Database Interface Multimedia Presentation Subsystem

Multimedia Database Server Multimedia Database Server Multimedia Database Server

...

Text Image Video Audio Meta Data Database Management System Media Server Subsystem

Database Connectivity

Integrated Multimedia Information Server Directory Management Multimedia Meta Data Management

Distributed Object Search Engine

API for SBS Network API for SBS Network API for SBS Network

Ar chit ect ur e of a Dist r ibut ed Mult imedia Dat abase Management

Developed Partially developed To be developed

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SLIDE 4

Purdue MSI Proposal May 5, 1999 Networking 4

Mult i-Level St or age Ar chit ect ur es

RAID

Parallel Disk Array Architecture Clustered Server Architecture

Multimedia Document Profiles & Traces

Tertiary Storage Tertiary Storage

Multimedia Document Profiles & Traces

Currently under development Planned for next year

Cluster

I ssues and Obj ect ives f or Net wor king Syst em

Objective: Diverse user QoS requirements and Sharing

  • f network resources requires a framework which can

facilitate QoS-sensitive sharing of network resources

I ssues: Bursty traffic Scalability Efficiency Resource contention resolution Selfishness

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SLIDE 5

Purdue MSI Proposal May 5, 1999 Networking 5

Resear ch Act ivit ies in Net wor king

Multi-point channel set-up, resource reservation Bottleneck configuration Congestion susceptibility

traffic generators and packet drops

Diff-Serv support Network monitoring & management Modified router software deployment (partial) Member institution benchmark participation

scale

Local Envir onment : Net wor k Syst ems Lab

  • Purdue Infobahn QoS testbed: 4+ 5 Cisco 7206 VXR routers

I P-over-SONET backbone custom classifier implementation in IOS

  • NSF vBNS and Abilene connectivity (DS-3)

Purdue vBNS/Internet2 Advisory Committee

  • Fore ATM, FastEthernet switches
  • Real-time MPEG I & II video/audio compression engines

Optibase, Futuretel (Windows NT)

  • Video/audio capture equipment
  • 35+ Sun/Intel/SGI workstations & PCs
  • Prototype software systems: UNIX, Windows NT
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SLIDE 6

Purdue MSI Proposal May 5, 1999 Networking 6

Pr oposed WAN Exper iment s f or MSI

Extending Purdue Infobahn:

Abilene

Indy NOC

Purdue Infobahn (NSL)

WAN for Distributed Multimedia Servers

Planned WAN Experiment s

Performance Evaluation and Benchmarking

  • Internet2 benchmarking of
  • Multiple time scale traffic control (TCP-MT, AFEC-MT)
  • Adaptive redundancy control (AFEC)
  • Adaptive label control (Diff-Serv router support)
  • vBNS/Abilene
  • Commodity Internet benchmarking
  • Evaluate effectiveness of end-to-end QoS amplification
  • model of future Internet (NGI)
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SLIDE 7

Purdue MSI Proposal May 5, 1999 Networking 7

Planned WAN Exper iment s (cont .)

Pricing, accounting, and access control Incremental optimal aggregate-flow classifier

deployment (Cisco IOS)

IP-over-ATM, IP-over-SONET, IP-over-? issues

Resear ch and Exper iment al Act ivit ies in Secur it y

Security-based access control of distributed

multimedia objects

Probabilistic packet-marking techniques for distributed

denial of service attack prevention

QoS, Security, and Fault-Tolerance

Security/ QoS trade-off: overhead

→ ` ` Reactive security’’ (vs. proactive)

  • Fault-tolerance and QoS

–

Impact of fault-tolerance on QoS

–

Hierarchical fault-tolerance & self -healing

–

Network management

–

Availability

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SLIDE 8

Purdue MSI Proposal May 5, 1999 Networking 8

Collabor at ion wit h Ot her Or ganizat ions

State of Indiana 21st Century funding for multimedia

and telemedicine project

Research collaboration with several industrial partners

including Telcordia, Siemens, HP, NCR, and numerous Indiana-based industrial and health management

  • rganizations

Research collaboration with Purdue’s Center for

Education and Research in Information Assurance and Security

Close collaboration with several universities and

HBUCs