1. Proxy Point Code
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2. Migration using Proxy PC
R37.5 – Proxy Point Code
Proxy Point Code control feature is used for a smooth migration of the network
Foreign Network
Home Network
GMSC A
GMSC B
Linkset AB
Standard Migration
GMSC A
GMSC B
Linkset AC
STP C
Linkset CB
Migration using Proxy PC
GMSC A
GMSC B
Linkset AB
STP C
Linkset CB
Proxy Linkset
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3. R37.5 – Proxy Point Code Private Proxy point code are excluded
A Proxy Point Code could be:
ANSI, ITU-N, ITU-I, ITU-N Spare, ITU-I Spare, ITU-N24
Private Proxy point code are excluded
Only A link/linkset types can use Proxy Point Code
Link supported:
LSL, ATM HSL, SE-HSL, M2PA
IPGW link or SUA are not supported
Support up to 100 Proxy Point Code
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4. R37.5 – Proxy Point Code Simple example C B PCN 111 PC 222
STP C
GMSC A
GMSC B
Linkset AB C
Linkset CB
Proxy Linkset B
PCN 111
PC 222
C=True PCN=123
B=Proxy PCN=222
chg-sid:pcn=123:clli=STPC
init-sys
ent-dstn:dpcn=222:prx=yes
ent-dstn:dpcn=111:ppcn=222
ent-ls:lsn=LinksetAB:apc=111:lst=prx:ppcn=222
ent-ls:lsn=LinksetCB:apcn=222:lst=a
ent-card:loc=1101:type=lime1:appl=ccs7itu
ent-slk:loc=1101:link=a:lsn=LinksetAB:slc=0…
ent-slk:loc=1101:link=a1:lsn=LinksetCB:slc=0…
ent-rte:dpcn=111:lsn=LinksetAB:rc=10
ent-rte:dpcn=222:lsn=LinksetCB:rc=10
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5. R37.5 – Proxy Point Code
Network management and test messages sent to GMSC A (111) will have the PPC as OPC (222)
All Network management and network test (SI=0, 1, and 2) messages from the Adjacent Node of a Proxy Linkset, with a DPC of the Proxy Point Code shall be processed by the EAGLE 5 ISS as if the DPC was the EAGLE 5 ISS
All other messages from the Adjacent Node of a Proxy Linkset shall be handled as the STP normally processes MSUs (e.g.: routed to the DPC)
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6. R37.5 – Proxy Point Code Multiple APC and multiple Proxy PC C B E
STP C
GMSC A
GMSC B
Linkset AB C
Linkset CB B
Proxy Linksets E
PCN 111
Linkset CE
PC 222
C=True PCN=123
Linkset DE
GMSC D
B=Proxy PCN=222
GMSC E
E=Proxy PCN=2222
PCN 1111
chg-sid:pcn=123:clli=STPC
init-sys
ent-dstn:dpcn=222:prx=yes
ent-dstn:dpcn=2222:prx=yes
ent-dstn:dpc=111:ppcn=222
ent-dstn:dpc=1111:ppcn=2222
ent-ls:lsn=LinksetAB:apcn=111:lst=prx:ppcn=222
ent-ls:lsn=LinksetDE:apcn=1111:lst=prx:ppcn=2222
ent-ls:lsn=LinksetCB:apcn=222:lst=a
ent-ls:lsn=LinksetCE:apcn=2222:lst=a
PC 2222
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7. R37.5 – Proxy Point Code Multiple APC and to Proxy PC C B PCN 111
STP C
GMSC A
GMSC B
Linkset AB C
Linkset CB B
Proxy Linksets
PCN 111
PC 222
C=True PCN=123
Linkset DE
GMSC D
B=Proxy PCN=222
PCN 1111
chg-sid:pcn=123:clli=STPC
init-sys
ent-dstn:dpcn=222:prx=yes
ent-dstn:dpc=111:ppcn=222
ent-dstn:dpc=1111:ppcn=222
ent-ls:lsn=LinksetAB:apcn=111:lst=prx:ppcn=222
ent-ls:lsn=LinksetDE:apcn=1111:lst=prx:ppcn=222
ent-ls:lsn=LinksetCB:apcn=222:lst=a
UP to 10 Linkset can be created using the same PPC
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8. R37.5 – Proxy Point Code
A Point Code defined with the parameter PRX into the DSTN table can’t be entered into:
GTA tables (A translated PC can’t be a Proxy PC)
MRN and MAP tables
GSM Map Screening tables for the action forward, duplicate and dupdisc
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