An agent-based approach for supporting quality of service in distributed multimedia systems
Identifieur interne : 002A61 ( Istex/Corpus ); précédent : 002A60; suivant : 002A62An agent-based approach for supporting quality of service in distributed multimedia systems
Auteurs : L. A Guedes ; P. C Oliveira ; L. F Faina ; E. CardozoSource :
- Computer Communications [ 0140-3664 ] ; 1998.
Abstract
Quality of service (QoS) is a core issue in multimedia systems. Intuitively, QoS states how valuable the services provided by a multimedia system are. As a rule, QoS is established through negotiation between users and service providers. The negotiation involves allocation and management of resources in order to attend an expected level of quality. The process of negotiation is simple if the resources are managed by a single entity (e.g., operating system) or by a set of entities supporting a common negotiation protocol. Unfortunately, in distributed multimedia systems, negotiation and management of resources are complex tasks since resources are diversified, distributed and managed by autonomous entities. In order to minimise such difficulties, an agent-based architecture for QoS negotiation and management in distributed multimedia systems is proposed in this paper. The proposed architecture combines fixed and mobile agents that interact among themselves with the aim of establishing and maintaining a certain level of QoS. This paper also presents the current implementation stage of the proposed architecture.
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DOI: 10.1016/S0140-3664(98)00188-1
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F Faina</name><affiliation><mods:affiliation>DEINF-CETEC, Federal University of Uberlândia, Uberlândia, MG, Brazil 38400–902</mods:affiliation></affiliation></author><author><name sortKey="Cardozo, E" sort="Cardozo, E" uniqKey="Cardozo E" first="E" last="Cardozo">E. Cardozo</name><affiliation><mods:affiliation>DCA-FEEC, State University of Campinas, Campinas, SP, Brazil 13083–970</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author.</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:AFD53CD05A0E1F95D7874B5962B63222ACBD94B3</idno><date when="1998" year="1998">1998</date><idno type="doi">10.1016/S0140-3664(98)00188-1</idno><idno type="url">https://api.istex.fr/document/AFD53CD05A0E1F95D7874B5962B63222ACBD94B3/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">002A61</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">002A61</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">An agent-based approach for supporting quality of service in distributed multimedia systems</title><author><name sortKey="Guedes, L A" sort="Guedes, L A" uniqKey="Guedes L" first="L. A" last="Guedes">L. A Guedes</name><affiliation><mods:affiliation>DEE-CT, Federal University of Pará, Belém, PA, Brazil 66000-000</mods:affiliation></affiliation></author><author><name sortKey="Oliveira, P C" sort="Oliveira, P C" uniqKey="Oliveira P" first="P. C" last="Oliveira">P. C Oliveira</name><affiliation><mods:affiliation>CNPTIA, EMBRAPA, Campinas, SP, Brazil 13083–970</mods:affiliation></affiliation></author><author><name sortKey="Faina, L F" sort="Faina, L F" uniqKey="Faina L" first="L. F" last="Faina">L. F Faina</name><affiliation><mods:affiliation>DEINF-CETEC, Federal University of Uberlândia, Uberlândia, MG, Brazil 38400–902</mods:affiliation></affiliation></author><author><name sortKey="Cardozo, E" sort="Cardozo, E" uniqKey="Cardozo E" first="E" last="Cardozo">E. Cardozo</name><affiliation><mods:affiliation>DCA-FEEC, State University of Campinas, Campinas, SP, Brazil 13083–970</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author.</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Computer Communications</title><title level="j" type="abbrev">COMCOM</title><idno type="ISSN">0140-3664</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1998">1998</date><biblScope unit="volume">21</biblScope><biblScope unit="issue">14</biblScope><biblScope unit="page" from="1269">1269</biblScope><biblScope unit="page" to="1278">1278</biblScope></imprint><idno type="ISSN">0140-3664</idno></series><idno type="istex">AFD53CD05A0E1F95D7874B5962B63222ACBD94B3</idno><idno type="DOI">10.1016/S0140-3664(98)00188-1</idno><idno type="PII">S0140-3664(98)00188-1</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0140-3664</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Quality of service (QoS) is a core issue in multimedia systems. Intuitively, QoS states how valuable the services provided by a multimedia system are. As a rule, QoS is established through negotiation between users and service providers. The negotiation involves allocation and management of resources in order to attend an expected level of quality. The process of negotiation is simple if the resources are managed by a single entity (e.g., operating system) or by a set of entities supporting a common negotiation protocol. Unfortunately, in distributed multimedia systems, negotiation and management of resources are complex tasks since resources are diversified, distributed and managed by autonomous entities. In order to minimise such difficulties, an agent-based architecture for QoS negotiation and management in distributed multimedia systems is proposed in this paper. The proposed architecture combines fixed and mobile agents that interact among themselves with the aim of establishing and maintaining a certain level of QoS. This paper also presents the current implementation stage of the proposed architecture.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>L.A Guedes</name><affiliations><json:string>DEE-CT, Federal University of Pará, Belém, PA, Brazil 66000-000</json:string></affiliations></json:item><json:item><name>P.C Oliveira</name><affiliations><json:string>CNPTIA, EMBRAPA, Campinas, SP, Brazil 13083–970</json:string></affiliations></json:item><json:item><name>L.F Faina</name><affiliations><json:string>DEINF-CETEC, Federal University of Uberlândia, Uberlândia, MG, Brazil 38400–902</json:string></affiliations></json:item><json:item><name>E Cardozo</name><affiliations><json:string>DCA-FEEC, State University of Campinas, Campinas, SP, Brazil 13083–970</json:string><json:string>Corresponding author.</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>QoS management</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Multimedia systems</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Agents</value></json:item></subject><language><json:string>eng</json:string></language><abstract>Quality of service (QoS) is a core issue in multimedia systems. Intuitively, QoS states how valuable the services provided by a multimedia system are. As a rule, QoS is established through negotiation between users and service providers. The negotiation involves allocation and management of resources in order to attend an expected level of quality. The process of negotiation is simple if the resources are managed by a single entity (e.g., operating system) or by a set of entities supporting a common negotiation protocol. Unfortunately, in distributed multimedia systems, negotiation and management of resources are complex tasks since resources are diversified, distributed and managed by autonomous entities. In order to minimise such difficulties, an agent-based architecture for QoS negotiation and management in distributed multimedia systems is proposed in this paper. The proposed architecture combines fixed and mobile agents that interact among themselves with the aim of establishing and maintaining a certain level of QoS. 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ELECTRONIC</json:string><json:string>TELECOMMUNICATIONS</json:string></wos></categories><publicationDate>1998</publicationDate><copyrightDate>1998</copyrightDate><doi><json:string>10.1016/S0140-3664(98)00188-1</json:string></doi><id>AFD53CD05A0E1F95D7874B5962B63222ACBD94B3</id><score>1</score><fulltext><json:item><original>true</original><mimetype>application/pdf</mimetype><extension>pdf</extension><uri>https://api.istex.fr/document/AFD53CD05A0E1F95D7874B5962B63222ACBD94B3/fulltext/pdf</uri></json:item><json:item><original>true</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/AFD53CD05A0E1F95D7874B5962B63222ACBD94B3/fulltext/txt</uri></json:item><json:item><original>false</original><mimetype>application/zip</mimetype><extension>zip</extension><uri>https://api.istex.fr/document/AFD53CD05A0E1F95D7874B5962B63222ACBD94B3/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/AFD53CD05A0E1F95D7874B5962B63222ACBD94B3/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a">An agent-based approach for supporting quality of service in distributed multimedia systems</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>ELSEVIER</p></availability><date>1998</date></publicationStmt><notesStmt><note type="content">Fig. 1: Components of the QoS Agency.</note><note type="content">Fig. 2: A successful contract negotiation scenario.</note><note type="content">Fig. 3: A successful contract negotiation scenario where an alternate contract is proposed.</note><note type="content">Fig. 4: An unsuccessful contract negotiation scenario.</note><note type="content">Fig. 5: A contract management scenario.</note><note type="content">Fig. 6: A distributed multimedia system with QoS negotiation and management supported by the QoS Agency.</note><note type="content">Fig. 7: Teleconferencing testbed for the QoS Agency prototype (only flows originating at node 1 are shown).</note><note type="content">Fig. 8: Selecting a sink for QoS monitoring.</note><note type="content">Fig. 9: QoS monitoring of a selected sink.</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a">An agent-based approach for supporting quality of service in distributed multimedia systems</title><author><persName><forename type="first">L.A</forename><surname>Guedes</surname></persName><affiliation>DEE-CT, Federal University of Pará, Belém, PA, Brazil 66000-000</affiliation></author><author><persName><forename type="first">P.C</forename><surname>Oliveira</surname></persName><affiliation>CNPTIA, EMBRAPA, Campinas, SP, Brazil 13083–970</affiliation></author><author><persName><forename type="first">L.F</forename><surname>Faina</surname></persName><affiliation>DEINF-CETEC, Federal University of Uberlândia, Uberlândia, MG, Brazil 38400–902</affiliation></author><author><persName><forename type="first">E</forename><surname>Cardozo</surname></persName><affiliation>DCA-FEEC, State University of Campinas, Campinas, SP, Brazil 13083–970</affiliation><affiliation>Corresponding author.</affiliation></author></analytic><monogr><title level="j">Computer Communications</title><title level="j" type="abbrev">COMCOM</title><idno type="pISSN">0140-3664</idno><idno type="PII">S0140-3664(00)X0052-7</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1998"></date><biblScope unit="volume">21</biblScope><biblScope unit="issue">14</biblScope><biblScope unit="page" from="1269">1269</biblScope><biblScope unit="page" to="1278">1278</biblScope></imprint></monogr><idno type="istex">AFD53CD05A0E1F95D7874B5962B63222ACBD94B3</idno><idno type="DOI">10.1016/S0140-3664(98)00188-1</idno><idno 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Intuitively, QoS states how valuable the services provided by a multimedia system are. As a rule, QoS is established through negotiation between users and service providers. The negotiation involves allocation and management of resources in order to attend an expected level of quality. The process of negotiation is simple if the resources are managed by a single entity (e.g., operating system) or by a set of entities supporting a common negotiation protocol. Unfortunately, in distributed multimedia systems, negotiation and management of resources are complex tasks since resources are diversified, distributed and managed by autonomous entities. In order to minimise such difficulties, an agent-based architecture for QoS negotiation and management in distributed multimedia systems is proposed in this paper. The proposed architecture combines fixed and mobile agents that interact among themselves with the aim of establishing and maintaining a certain level of QoS. This paper also presents the current implementation stage of the proposed architecture.</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>QoS management</term></item><item><term>Multimedia systems</term></item><item><term>Agents</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1998-03-27">Registration</change><change when="1998">Published</change></revisionDesc></teiHeader></istex:fulltextTEI></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: ce:floats; body; tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"><istex:entity SYSTEM="gr1" NDATA="IMAGE" name="gr1"></istex:entity><istex:entity SYSTEM="gr2" NDATA="IMAGE" name="gr2"></istex:entity><istex:entity SYSTEM="gr3" NDATA="IMAGE" name="gr3"></istex:entity><istex:entity SYSTEM="gr4" NDATA="IMAGE" name="gr4"></istex:entity><istex:entity SYSTEM="gr5" NDATA="IMAGE" name="gr5"></istex:entity><istex:entity SYSTEM="gr6" NDATA="IMAGE" name="gr6"></istex:entity><istex:entity SYSTEM="gr7" NDATA="IMAGE" name="gr7"></istex:entity><istex:entity SYSTEM="gr8" NDATA="IMAGE" name="gr8"></istex:entity><istex:entity SYSTEM="gr9" NDATA="IMAGE" name="gr9"></istex:entity></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>COMCOM</jid><aid>1410</aid><ce:pii>S0140-3664(98)00188-1</ce:pii><ce:doi>10.1016/S0140-3664(98)00188-1</ce:doi><ce:copyright year="1998" type="full-transfer">Elsevier Science B.V.</ce:copyright></item-info><head><ce:title>An agent-based approach for supporting quality of service in distributed multimedia systems</ce:title><ce:author-group><ce:author><ce:given-name>L.A</ce:given-name><ce:surname>Guedes</ce:surname><ce:cross-ref refid="AFF1">a</ce:cross-ref></ce:author><ce:author><ce:given-name>P.C</ce:given-name><ce:surname>Oliveira</ce:surname><ce:cross-ref refid="AFF2">b</ce:cross-ref></ce:author><ce:author><ce:given-name>L.F</ce:given-name><ce:surname>Faina</ce:surname><ce:cross-ref refid="AFF3">c</ce:cross-ref></ce:author><ce:author><ce:given-name>E</ce:given-name><ce:surname>Cardozo</ce:surname><ce:cross-ref refid="AFF4">d</ce:cross-ref><ce:cross-ref refid="CORR1">*</ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>DEE-CT, Federal University of Pará, Belém, PA, Brazil 66000-000</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>CNPTIA, EMBRAPA, Campinas, SP, Brazil 13083–970</ce:textfn></ce:affiliation><ce:affiliation id="AFF3"><ce:label>c</ce:label><ce:textfn>DEINF-CETEC, Federal University of Uberlândia, Uberlândia, MG, Brazil 38400–902</ce:textfn></ce:affiliation><ce:affiliation id="AFF4"><ce:label>d</ce:label><ce:textfn>DCA-FEEC, State University of Campinas, Campinas, SP, Brazil 13083–970</ce:textfn></ce:affiliation><ce:correspondence id="CORR1"><ce:label>*</ce:label><ce:text>Corresponding author.</ce:text></ce:correspondence></ce:author-group><ce:date-received day="27" month="3" year="1998"></ce:date-received><ce:date-accepted day="27" month="3" year="1998"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para><ce:italic>Quality of service</ce:italic> (QoS) is a core issue in multimedia systems. Intuitively, QoS states how valuable the services provided by a multimedia system are. As a rule, QoS is established through negotiation between users and service providers. The negotiation involves allocation and management of resources in order to attend an expected level of quality. The process of negotiation is simple if the resources are managed by a single entity (e.g., operating system) or by a set of entities supporting a common negotiation protocol. Unfortunately, in distributed multimedia systems, negotiation and management of resources are complex tasks since resources are diversified, distributed and managed by autonomous entities. In order to minimise such difficulties, an agent-based architecture for QoS negotiation and management in distributed multimedia systems is proposed in this paper. The proposed architecture combines fixed and mobile agents that interact among themselves with the aim of establishing and maintaining a certain level of QoS. This paper also presents the current implementation stage of the proposed architecture.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords class="keyword"><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>QoS management</ce:text></ce:keyword><ce:keyword><ce:text>Multimedia systems</ce:text></ce:keyword><ce:keyword><ce:text>Agents</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>An agent-based approach for supporting quality of service in distributed multimedia systems</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>An agent-based approach for supporting quality of service in distributed multimedia systems</title></titleInfo><name type="personal"><namePart type="given">L.A</namePart><namePart type="family">Guedes</namePart><affiliation>DEE-CT, Federal University of Pará, Belém, PA, Brazil 66000-000</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P.C</namePart><namePart type="family">Oliveira</namePart><affiliation>CNPTIA, EMBRAPA, Campinas, SP, Brazil 13083–970</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">L.F</namePart><namePart type="family">Faina</namePart><affiliation>DEINF-CETEC, Federal University of Uberlândia, Uberlândia, MG, Brazil 38400–902</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">E</namePart><namePart type="family">Cardozo</namePart><affiliation>DCA-FEEC, State University of Campinas, Campinas, SP, Brazil 13083–970</affiliation><affiliation>Corresponding author.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1998</dateIssued><dateValid encoding="w3cdtf">1998-03-27</dateValid><copyrightDate encoding="w3cdtf">1998</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">Quality of service (QoS) is a core issue in multimedia systems. Intuitively, QoS states how valuable the services provided by a multimedia system are. As a rule, QoS is established through negotiation between users and service providers. The negotiation involves allocation and management of resources in order to attend an expected level of quality. The process of negotiation is simple if the resources are managed by a single entity (e.g., operating system) or by a set of entities supporting a common negotiation protocol. Unfortunately, in distributed multimedia systems, negotiation and management of resources are complex tasks since resources are diversified, distributed and managed by autonomous entities. In order to minimise such difficulties, an agent-based architecture for QoS negotiation and management in distributed multimedia systems is proposed in this paper. The proposed architecture combines fixed and mobile agents that interact among themselves with the aim of establishing and maintaining a certain level of QoS. This paper also presents the current implementation stage of the proposed architecture.</abstract><note type="content">Fig. 1: Components of the QoS Agency.</note><note type="content">Fig. 2: A successful contract negotiation scenario.</note><note type="content">Fig. 3: A successful contract negotiation scenario where an alternate contract is proposed.</note><note type="content">Fig. 4: An unsuccessful contract negotiation scenario.</note><note type="content">Fig. 5: A contract management scenario.</note><note type="content">Fig. 6: A distributed multimedia system with QoS negotiation and management supported by the QoS Agency.</note><note type="content">Fig. 7: Teleconferencing testbed for the QoS Agency prototype (only flows originating at node 1 are shown).</note><note type="content">Fig. 8: Selecting a sink for QoS monitoring.</note><note type="content">Fig. 9: QoS monitoring of a selected sink.</note><subject><genre>Keywords</genre><topic>QoS management</topic><topic>Multimedia systems</topic><topic>Agents</topic></subject><relatedItem type="host"><titleInfo><title>Computer Communications</title></titleInfo><titleInfo type="abbreviated"><title>COMCOM</title></titleInfo><genre type="Journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">19980915</dateIssued></originInfo><identifier type="ISSN">0140-3664</identifier><identifier type="PII">S0140-3664(00)X0052-7</identifier><part><date>19980915</date><detail type="volume"><number>21</number><caption>vol.</caption></detail><detail type="issue"><number>14</number><caption>no.</caption></detail><extent unit="issue pages"><start>1199</start><end>1282</end></extent><extent unit="pages"><start>1269</start><end>1278</end></extent></part></relatedItem><identifier type="istex">AFD53CD05A0E1F95D7874B5962B63222ACBD94B3</identifier><identifier type="DOI">10.1016/S0140-3664(98)00188-1</identifier><identifier type="PII">S0140-3664(98)00188-1</identifier><accessCondition type="use and reproduction" contentType="">© 1998Elsevier Science B.V.</accessCondition><recordInfo><recordContentSource>ELSEVIER</recordContentSource><recordOrigin>Elsevier Science B.V., ©1998</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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