draft-ietf-pim-sm-bsr-03.ps

xorp源码hg

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[ 0.5 -0 -0 0.5 78 177.5 ] concat
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152 685 48 48 Elli
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Begin %I Text
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%I f -adobe-helvetica-medium-r-normal--10-100-75-75-p-56-iso8859-1
Helvetica 10 SetF
%I t
[ 1 0 0 1 391.5 532 ] concat
%I
[
(Elected)
(BSR)
] Text
End

Begin %I Text
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%I f -adobe-helvetica-medium-r-normal--10-100-75-75-p-56-iso8859-1
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[ 1 0 0 1 124 531.5 ] concat
%I
[
(Candidate)
(BSR)
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Begin %I Text
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%I t
[ 1 0 0 1 252 399.5 ] concat
%I
[
(Pending)
(BSR)
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Begin %I Text
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Helvetica 10 SetF
%I t
[ 1 0 0 1 421.502 611.038 ] concat
%I
[
(BS Timer Expires)
([Originate BS Message])
([Set BS Timer )
(to BS Period])
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End

Begin %I Text
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Helvetica 10 SetF
%I t
[ 1 0 0 1 229.517 515.508 ] concat
%I
[
(Receive Preferred BSM)
([Forward BSM])
([Store RP Set])
([Set BS Timer to BS Timeout])
] Text
End

Begin %I Text
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%I t
[ 1 0 0 1 217.002 596.02 ] concat
%I
[
(Receive Preferred BSM)
([Forward BSM])
([Store RP Set])
([Set BS Timer to BS Timeout])
] Text
End

Begin %I Text
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[ 1 0 0 1 54.5115 595.009 ] concat
%I
[
(Receive Preferred BSM)
([Forward BSM])
([Store RP Set])
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(  to BS Timeout])
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Begin %I Text
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[ 1 0 0 1 365.021 412.987 ] concat
%I
[
(BS Timer Expires)
([Originate BS Message])
([Set BS Timer to BS Period)
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Begin %I Text
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[ 1 0 0 1 151.016 457.006 ] concat
%I
[
(BS Timer Expires)
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(  to rand_override])
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Begin %I Text
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[ 1 0 0 1 51.9955 407.986 ] concat
%I
[
(Receive Non-preferred BSM)
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(Receive Non-preferred BSM)
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[
(Receive )
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end
%%EndDocument
end PEND(Figur)162.191 378.425 Q 2.75(e1)-.198 G 2.75(:P)-2.75 G(er)
-2.97 E(-Scope-Zone State-machine f)-.407 E(or a candidate BSR)-.275 E
F0(Fenner/Handle)72 769 Q(y/K)-.165 E 196.765(ermode/Thaler Section)
-.275 F 2.75(3. [P)2.75 F(age 8])-.165 E EP
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/F0 11/Times-Roman@0 SF(INTERNET)72 49 Q 72.802(-DRAFT Expires:)-1.012 F
(August 2003)2.75 E(February 2003)103.569 E(Per)72 85 Q
(-Scope-Zone State-machine for a candidate BSR in tab)-.22 E(ular form:)
-.22 E .44 LW 503.996 95.75 72 95.75 DL/F1 11/Times-Bold@0 SF
(When in C-BSR state)237.733 106 Q 503.996 110.75 72 110.75 DL(Ev)85.192
121 Q(ent)-.11 E F0(Recei)173.271 121 Q .33 -.165(ve P)-.275 H(referred)
.165 E(BSM)173.271 134 Q(BS T)291.508 121 Q(imer Expires)-.385 E(Recei)
410.141 121 Q .33 -.165(ve n)-.275 H(on-).165 E(preferred BSM)410.141
134 Q(from Elected BSR)410.141 147 Q 503.996 151.75 72 151.75 DL
(-> C-BSR state)173.271 162 Q(-> P-BSR state)291.508 162 Q
(-> P-BSR state)410.141 162 Q F1(Action)85.192 188 Q F0 -.165(Fo)173.271
175 S(rw).165 E(ard BSM;)-.11 E(Store RP Set; Set)173.271 188 Q(BS T)
173.271 201 Q(imer to BS)-.385 E -.385(Ti)173.271 214 S(meout).385 E
(Set BS T)291.508 175 Q(imer to)-.385 E(rand_o)291.508 188 Q -.165(ve)
-.165 G(rride).165 E(Set BS T)410.141 175 Q(imer to)-.385 E(rand_o)
410.141 188 Q -.165(ve)-.165 G(rride).165 E 503.996 218.75 72 218.75 DL
503.996 110.75 503.996 218.75 DL 390.353 110.75 390.353 218.75 DL 271.72
110.75 271.72 218.75 DL 152.483 110.75 152.483 218.75 DL 154.483 110.75
154.483 218.75 DL 503.996 95.75 503.996 218.75 DL 72 95.75 72 218.75 DL
503.991 243.75 72 243.75 DL F1(When in P-BSR state)184.183 254 Q 503.991
258.75 72 258.75 DL(Ev)86.01 269 Q(ent)-.11 E F0(Recei)181.917 269 Q .33
-.165(ve P)-.275 H(referred).165 E(BSM)181.917 282 Q(BS T)302.608 269 Q
(imer Expires)-.385 E(Recei)423.695 269 Q .33 -.165(ve N)-.275 H(on-)
.165 E(preferred BSM)423.695 282 Q 503.991 286.75 72 286.75 DL
(-> C-BSR state)181.917 297 Q(-> E-BSR state)302.608 297 Q
(-> P-BSR state)423.695 297 Q F1(Action)86.01 323 Q F0 -.165(Fo)181.917
310 S(rw).165 E(ard BSM;)-.11 E(Store RP Set; Set)181.917 323 Q(BS T)
181.917 336 Q(imer to BS)-.385 E -.385(Ti)181.917 349 S(meout).385 E
(Originate BSM;)302.608 310 Q(Set BS T)302.608 323 Q(imer to)-.385 E
(BS Period)302.608 336 Q 503.991 353.75 72 353.75 DL 503.991 258.75
503.991 353.75 DL 402.68 258.75 402.68 353.75 DL 281.593 258.75 281.593
353.75 DL 159.902 258.75 159.902 353.75 DL 161.902 258.75 161.902 353.75
DL 503.991 243.75 503.991 353.75 DL 72 243.75 72 353.75 DL 503.998
378.75 72 378.75 DL F1(When in E-BSR state)182.258 389 Q 503.998 393.75
72 393.75 DL(Ev)85.58 404 Q(ent)-.11 E F0(Recei)180.402 404 Q .33 -.165
(ve P)-.275 H(referred).165 E(BSM)180.402 417 Q(BS T)299.803 404 Q
(imer Expires)-.385 E(Recei)419.6 404 Q .33 -.165(ve N)-.275 H(on-).165
E(preferred BSM)419.6 417 Q 503.998 421.75 72 421.75 DL(-> C-BSR state)
180.402 432 Q(-> E-BSR state)299.803 432 Q(-> E-BSR state)419.6 432 Q F1
(Action)85.58 458 Q F0 -.165(Fo)180.402 445 S(rw).165 E(ard BSM;)-.11 E
(Store RP Set; Set)180.402 458 Q(BS T)180.402 471 Q(imer to BS)-.385 E
-.385(Ti)180.402 484 S(meout).385 E(Originate BSM;)299.803 445 Q
(Set BS T)299.803 458 Q(imer to)-.385 E(BS Period)299.803 471 Q
(Originate BSM;)419.6 445 Q(Set BS T)419.6 458 Q(imer to)-.385 E
(BS Period)419.6 471 Q 503.998 488.75 72 488.75 DL 503.998 393.75
503.998 488.75 DL 399.23 393.75 399.23 488.75 DL 279.433 393.75 279.433
488.75 DL 159.032 393.75 159.032 488.75 DL 161.032 393.75 161.032 488.75
DL 503.998 378.75 503.998 488.75 DL 72 378.75 72 488.75 DL 2.75(Ac)72
503 S(andidate-BSR may be in one of three states for a particular scope\
 zone:)-2.75 E F1(Candidate-BSR \(C-BSR\))72 519.6 Q F0
(The router is a candidate to be the BSR for the scope zone, b)97 532.6
Q(ut currently another router is)-.22 E(the preferred BSR.)97 545.6 Q F1
-.22(Pe)72 562.2 S(nding-BSR \(P-BSR\)).22 E F0
(The router is a candidate to be the BSR for the scope zone.)97 575.2 Q
(Currently no other router is the)5.5 E(preferred BSR, b)97 588.2 Q
(ut this router is not yet the BSR.)-.22 E -.165(Fo)5.5 G 2.75(rc).165 G
(omparisons with incoming BS)-2.75 E
(messages, the router treats itself as the BSR.)97 601.2 Q
(This is a temporary state that pre)5.5 E -.165(ve)-.275 G(nts rapid)
.165 E(thrashing of the choice of BSR during BSR election.)97 614.2 Q F1
(Elected-BSR \(E-BSR\))72 630.8 Q F0(The router is the elected bootstra\
p router for the scope zone and it must perform all the BSR)97 643.8 Q
(functions.)97 656.8 Q(On startup, the initial state for this con\214gu\
red scope zone is "Pending-BSR"; the BS T)72 673.4 Q(imer is)-.385 E
(initialized to the BS T)72 686.4 Q(imeout v)-.385 E(alue.)-.275 E
(In addition to the three states, there is one timer:)72 703 Q
(Fenner/Handle)72 769 Q(y/K)-.165 E 196.765(ermode/Thaler Section)-.275
F 2.75(3. [P)2.75 F(age 9])-.165 E EP
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/F0 11/Times-Roman@0 SF(INTERNET)72 49 Q 72.802(-DRAFT Expires:)-1.012 F
(August 2003)2.75 E(February 2003)103.569 E 7.15<8354>72 85 S
(he bootstrap timer \(BS T)-7.15 E(imer\) - that is used to time out ol\
d bootstrap router information, and)-.385 E
(used in the election process to terminate P-BSR state.)83 98 Q
(Fenner/Handle)72 769 Q(y/K)-.165 E 191.265(ermode/Thaler Section)-.275
F 2.75(3. [P)2.75 F(age 10])-.165 E EP
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/F0 11/Times-Roman@0 SF(INTERNET)72 49 Q 72.802(-DRAFT Expires:)-1.012 F
(August 2003)2.75 E(February 2003)103.569 E/F1 11/Times-Bold@0 SF -.22
(Pe)72 85 S -.407(r-).22 G(Scope-Zone State-machine f).407 E
(or Non-Candidate-BSR Routers)-.275 E 113 417 396 468 -188.692 223 108
296.292 PBEGIN
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