On the Use of Destination Set Grouping to Improve Inter-Receiver Fairness for Multicast ABR Sessions

MuilUcast appllcations cRn Involve a lnrge number of recclvers wltli hcierogcneous data receptlon capabtllties. In a tradltIonal single-rule ml~lticc~nst ession, ihc tenmmlsslon mte nt the source Is choscn to mntch tlic lowcat rspacliy putli to a recelver In flic cession. Thls can cnum an under. ufilizatlon of l~ighcr capncity path to othcr receivers. We have prcviotisly deflncd an inter-receivEr,~ubirness mcusiirc In ordcr to quanllfy the effect of this undcrutlllzatlon [I]. We nlso dcvcloped protocols that use tlih measure to guide the choice of tho sourcc rate for I singk-rflte session [I], [Z]. In thls pnpor we dealgn and develop a wlil-rorte protocol in the context of an KIM ABR~crvice (0 aclilevebetter InteFrccelverialrmefor a muIUcsst scsslon. The multl-rate protocol we invcstlgufa Is band on the use of dmtliiadon set grouplng (DSG) where the set of tccclven In a multlcast sesslon Is parlitlonecl Into dlsJo1nt subgruiips. The transmltter currles a separatc convcrsaUon wllh encli rubgroup, Hnscd on a numbcr of graiiplng Iicurlstlcs, the DSG protocol nttenpta to firid thc pnrtlhnlng ofthc cecclvcrsthnt maximha the Inter-receiverfnlmess oP the scsrion. Thc DSG protocol c m rcrtilt in U session rccclvlng B Idghcr bniidwldth altocntion wllcn It Is spllt Into 1nnltip1e connccUons. FVc rtddress this Issuc by proposing n mechanlsm In which llie connccllonq apl,lit from a slngle multlcast sesdon are trcnted as n sinpls aggrepaled-oZlocrrtion connection (AAC). A set o f cxamplea demonstrate the efWJvcness of the DSG schemc incorporrttlng thc AAC technique on Improving infer-recelver fnlmess for muliicast ABR seaslom, Keywur&M1Mm8t, Avnilubh Utt Rata, Inter-Rcccivor Fdmcas.