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

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, K. Park, E. Spafford W. Aref, S. Fahmy, S. Prabhakar, D. Yau Purdue University 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. End- End -to to- -End End QoS QoS Management Management - Reliability User User-based based QoS QoS - Resolution Specification Specification - Rate of Presentation Meta Data / User Interface - Display Area - Temporal Synchronization ( Intra/Inter ) Translation Translation Network OS Database Security - Storage Throughput/ - Intrusion Detection - CPU Throughput - End-to- End Bandwidth - Access Control - Memory Overflow Delays - Storage Delays and Reliability - Jitter Delay - Distributed Database - Bandwidth Coordination (QoS) - Packet Loss Rate Negotiation Negotiation Dependency Model Analysis and QoS Adjustment End-to End to-End Run End Run Time Resource Time Resource End-to-End Resource Allocation and Scheduling Management Management Networking 1

Purdue MSI Proposal May 5, 1999 Resear ch Act ivit ies f or Mult imedia Document Dat abase and St or age Management � Multimedia document modeling and QoP specification schema Exit Resolution, reliability, rate, synchronization, processing, The Ruminant Digestive System contents, security attributes Four compartment stomach that: -utilizes complex � Development of efficient carbohydrates such as cellulose -utilizes non- protein clustering, searching and nitrogen sources -utilizes feeds of no nutritive indexing techniques for value for humans Omasum Abomasum multimedia documents Reticulum Esophagus Protozoa � Distributed Object Rumen Rumen Stomach The rumen, the first Digestive System compartment of the ruminant Management stomach, is essentially non- Small Intestine functional at birth but develops rapidly when calves are given Salivary Glands solid feeds such as hay and � Network caching techniques Large Intestine grain. for composition of distributed Multimedia Browsing Graph multimedia objects 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 Networking 2

Purdue MSI Proposal May 5, 1999 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 Ar chit ect ur e of a Dist r ibut ed Mult imedia Dat abase Management Developed Multimedia Database Client Partially developed Visual Tool for To be developed Multimedia Multimedia Multimedia Document Presentation Subsystem Database Interface Generation API for SBS Network Integrated Multimedia Information Server Multimedia Meta Data API for SBS Network Management Distributed Object Management Directory Search Engine Multimedia Database Server Database Meta Media Server API for SBS Network Management Data Subsystem System ... Database Connectivity Multimedia Multimedia Database Server Database Server Text Image Video Audio Networking 3

Purdue MSI Proposal May 5, 1999 Mult i-Level St or age Ar chit ect ur es Parallel Disk Array Architecture Clustered Server Architecture RAID Cluster Multimedia Document Profiles & Traces Multimedia Tertiary Storage Document Profiles & Traces Tertiary Storage Currently under development Planned for next year I ssues and Obj ect ives f or Net wor king Syst em Objective : Diverse user QoS requirements and Sharing of network resources requires a framework which can facilitate QoS-sensitive sharing of network resources I ssues : � Bursty traffic � Scalability � Efficiency � Resource contention resolution � Selfishness Networking 4

Purdue MSI Proposal May 5, 1999 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 Networking 5

Purdue MSI Proposal May 5, 1999 Pr oposed WAN Exper iment s f or MSI Purdue Infobahn (NSL) Extending Purdue Infobahn: WAN for Distributed Multimedia Servers Abilene Indy NOC 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) � Networking 6

Purdue MSI Proposal May 5, 1999 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 – Networking 7

Purdue MSI Proposal May 5, 1999 Collabor at ion wit h Ot her Or ganizat ions � State of Indiana 21 st 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 organizations � Research collaboration with Purdue’s Center for Education and Research in Information Assurance and Security � Close collaboration with several universities and HBUCs Networking 8