Efficient Database Optimization

WN ptmztn s cllctn f tchnqs fr mprvng dt trnsfr crss wd r ntwrks (WNs). n 2008, th WN ptmztn mrkt ws stmtd t b $1 blln, nd ws t grw t $4.4 blln by 2014 ccrdng t Grtnr, tchnlgy rsrch frm. n 2015 Grtnr stmtd th WN ptmztn mrkt t b $1.1 blln mrkt. Th mst cmmn msrs f TCP dt-trnsfr ffcncs (.., ptmztn) r thrghpt, bndwdth rqrmnts, ltncy, prtcl ptmztn, nd cngstn, s mnfstd n drppd pckts. n ddtn, th WN tslf cn b clssfd wth rgrds t th dstnc btwn ndpnts nd th mnts f dt trnsfrrd. Tw cmmn bsnss WN tplgs r Brnch t Hdqrtrs nd Dt Cntr t Dt Cntr (DC2DC). n gnrl, "Brnch" WN lnks r clsr, s lss bndwdth, spprt mr smltns cnnctns, spprt smllr cnnctns nd mr shrt-lvd cnnctns, nd hndl grtr vrty f prtcls. Thy r sd fr bsnss pplctns sch s ml, cntnt mngmnt systms, dtbs pplctn, nd Wb dlvry. n cmprsn, "DC2DC" WN lnks tnd t rqr mr bndwdth, r mr dstnt, nd nvlv fwr cnnctns, bt ths cnnctns r bggr (100 Mbt/s t 1 Gbt/s flws) nd f lngr drtn. Trffc n "DC2DC" WN my ncld rplctn, bck p, dt mgrtn, vrtlztn, nd thr Bsnss Cntnty/Dsstr Rcvry (BC/DR) flws. WN ptmztn hs bn th sbjct f xtnsv cdmc rsrch lmst snc th dvnt f th WN. n th rly 2000s, rsrch n bth th prvt nd pblc sctrs trnd t mprvng th nd-t-nd thrghpt f TCP, nd th trgt f th frst prprtry WN ptmztn sltns ws th Brnch WN. n rcnt yrs, hwvr, th rpd grwth f dgtl dt, nd th cncmtnt nds t str nd prtct t, hs prsntd nd fr DC2DC WN ptmztn. Fr xmpl, sch ptmztns cn b prfrmd t ncrs vrll ntwrk cpcty tlztn, mt ntr-dtcntr trnsfr ddlns, r mnmz vrg cmpltn tms f dt trnsfrs. s nthr xmpl, prvt ntr-dtcntr WNs cn bnft ptmztns fr fst nd ffcnt g-rplctn f dt nd cntnt, sch s nwly cmptd mchn lrnng mdls r mltmd cntnt. Cmpnnt tchnqs f Brnch WN ptmztn ncld ddplctn, wd r fl srvcs (WFS), SMB prxy, HTTPS Prxy, md mltcstng, wb cchng, nd bndwdth mngmnt. Rqrmnts fr DC2DC WN ptmztn ls cntr rnd ddplctn nd TCP cclrtn, hwvr ths mst ccr n th cntxt f mlt-ggbt dt trnsfr rts.