MIP Enhancemen ts Mobile-IP Enhancemen ts M. C. Ch uah (c h uahlucen t.com) Bell Labs Holmdel NJ 07733 Ch uah et al Lucen t T ec hnologies Oct 1998
MIP Enhancemen ts Outline History of DREMIP � F eatures of Generic Mobile IP � Enhanced F eatures � P erforman ce /Im plem e n tation Exp erience � Ch uah et al Lucen t T ec hnologies Oct 1998
MIP Enhancemen ts History of DREMIP �rst draft submitted in April,1997 � revised draft submitted in Aug, 1997, presen ted in Munic h, � German y b y Milo Orsic t w o implemen tations: Bell Labs, Mala ysia Multimedia � Univ ersit y Ch uah et al Lucen t T ec hnologies Oct 1998
MIP Enhancemen ts Generic Mobile IP I FN HN RRQ HA FA Tunnel for data RRP MN Msg6 Msg5 Msg1 Msg2 Msg3 Server Msg4 Server FN: Foreign Network HN: Home Network Msg1: RRQ (DREMIP), AAA Access Request (Client/Server) Msg2: RRP (DREMIP), AAA Access Reply (Client/Server) Msg3: RRQ (DREMIP), AAA Access Request (Server/Server) Msg4: RRP (DREMIP), AAA Access Reply (Server/Server) Msg5: Route Req (DREMIP), AAA Tunnel Setup Request (Server/Client) Msg6: Route Reply (DREMIP), AAA Tunnel Setup Response (Server/Client) Ch uah et al Lucen t T ec hnologies Oct 1998
MIP Enhancemen ts Generic Mobile IP I I FN HN GFA RRQ HA FA Tunnel for data Msg6 RRP Msg5 MN Msg6 Msg5 Msg1 Msg2 Msg3 Msg4 Server Server FN: Foreign Network HN: Home Network GFA: Care of Agent (DREMIP), Gateway FA Msg1: RRQ (DREMIP), AAA Access Request (Client/Server) Msg2: RRP (DREMIP), AAA Access Reply (Client/Server) Msg3: RRQ (DREMIP), AAA Access Request (Server/Server) Msg4: RRP (DREMIP), AAA Access Reply (Server/Server) Msg5: Route Req (DREMIP), AAA Tunnel Setup Request (Server/Client) Msg6: Route Reply (DREMIP), AAA Tunnel Setup Response (Server/Client) Ch uah et al Lucen t T ec hnologies Oct 1998
MIP Enhancemen ts Enhanced F eatures can b e enhanced to w ork with MIPv6. � coupled with Mobile L2TP can pro vide wireless dialup priv ate � net w ork access services. can pro vide QoS supp ort. � enhanced features to b e describ ed in an up coming draft. � in terested part y can con tact me for details. � Ch uah et al Lucen t T ec hnologies Oct 1998
MIP Enhancemen ts P erformance Comparison Assume 30% is lo cal mo v emen t in foreign site � Assume Refresh F requency (RF) of 1.0/unit time � Assume Lo cal Mo v emen t F requency (LMF) ranging from 0.05 � to 0.5/unit time Assume P ac k et Loss Rate of 1, 5, and 10% � Original Registration Time (1+k)*(1+p) where k is the ratio � of the transit time b et w een F A/FRS and FRS/HRS, p is the pac k et loss rate DREMIP Registration Time � (RF*(1+k*(1+p))+( 1+p)*k *LMF)/( RF+LMF) Ch uah et al Lucen t T ec hnologies Oct 1998
MIP Enhancemen ts Impro v emen t in Registration Latency 0.5 MF=0.05 PER=0.01 MF=0.05 PER=0.05 0.45 MF=0.05 PER=0.1 MF=0.5 PER=0.01 MF=0.5 PER=0.05 MF=0.5 PER=0.1 0.4 Reg Time for DREMIP/Reg Time for MIP 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 Fraction of Local/Foreign Times Ch uah et al Lucen t T ec hnologies Oct 1998
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