rfc1195.ps

<VC++网络游戏建摸与实现>源代码

4252 -33332 M
(4.4) h
7087 -33332 M
(Maintaining Router Adjacencies) h
20250 -33332 M
(......................................................................................................) h
46031 -33332 M
(24) h
0 -35178 M
4252 -35178 M
(4.5) h
7087 -35178 M
(Forwarding to Incompatible Routers) h
22000 -35178 M
(...............................................................................................) h
46031 -35178 M
(25) h
0 -37174 M
709 -37174 M
/Times-Bold-ISOLatin1 F 1200 o f
(5) h
4252 -37174 M
(Structure and Encoding of PDUs) h
21250 -37174 M
/Times-Roman-ISOLatin1 F 1000 o f
(.................................................................................................) h
45831 -37174 M
/Times-Bold-ISOLatin1 F 1200 o f
(25) h
0 -39270 M
4252 -39270 M
/Times-Roman-ISOLatin1 F 1000 o f
(5.1) h
7087 -39270 M
(Overview of IS-IS PDUs) h
17500 -39270 M
(.................................................................................................................) h
46031 -39270 M
(25) h
0 -41116 M
4252 -41116 M
(5.2) h
7087 -41116 M
(Overview of IP-Specific Information for IS-IS) h
26250 -41116 M
(..............................................................................) h
46031 -41116 M
(26) h
0 -42962 M
4252 -42962 M
(5.3) h
7087 -42962 M
(Encoding of IP-Specific Fields in IS-IS PDUs) h
26250 -42962 M
(..............................................................................) h
46031 -42962 M
(28) h
0 -44958 M
709 -44958 M
/Times-Bold-ISOLatin1 F 1200 o f
(6) h
4252 -44958 M
(Security Considerations) h
16750 -44958 M
/Times-Roman-ISOLatin1 F 1000 o f
(...................................................................................................................) h
45831 -44958 M
/Times-Bold-ISOLatin1 F 1200 o f
(38) h
0 -47204 M
709 -47204 M
(7) h
4252 -47204 M
(Author's Address) h
13500 -47204 M
/Times-Roman-ISOLatin1 F 1000 o f
(................................................................................................................................) h
45831 -47204 M
/Times-Bold-ISOLatin1 F 1200 o f
(39) h
0 -49450 M
709 -49450 M
(8) h
4252 -49450 M
(References) h
10000 -49450 M
/Times-Roman-ISOLatin1 F 1000 o f
(..............................................................................................................................................) h
45831 -49450 M
/Times-Bold-ISOLatin1 F 1200 o f
(39) h
0 -51696 M
720 -51696 M
(A) h
4248 -51696 M
(Inter\255Domain Routing Protocol Information ) h
27500 -51696 M
/Times-Roman-ISOLatin1 F 1000 o f
(........................................................................) h
45831 -51696 M
/Times-Bold-ISOLatin1 F 1200 o f
(40) h
0 -53792 M
4252 -53792 M
/Times-Roman-ISOLatin1 F 1000 o f
(A.1) h
7087 -53792 M
(Inter\255Domain Information Type) h
20000 -53792 M
(.......................................................................................................) h
46031 -53792 M
(40) h
0 -55638 M
4252 -55638 M
(A.2) h
7087 -55638 M
(Encoding) h
11250 -55638 M
(..........................................................................................................................................) h
46031 -55638 M
(40) h
0 -57634 M
720 -57634 M
/Times-Bold-ISOLatin1 F 1200 o f
(B) h
4248 -57634 M
(Encoding of Sequence Number Packets) h
24500 -57634 M
/Times-Roman-ISOLatin1 F 1000 o f
(....................................................................................) h
45831 -57634 M
/Times-Bold-ISOLatin1 F 1200 o f
(42) h
-8502 8501 T
R

showpage
$P e

/$P a D
g N
0 79200 T
S
S
8642 -3084 T
N
0 G
0 -900 M
/Helvetica-ISOLatin1 $
/Helvetica & P
/Helvetica-ISOLatin1 F 1200 o f
(RFC 1195 ) h
15164 -900 M
(OSI ISIS for IP and Dual Environments) h
35840 -900 M
(        December 1990) h
-8642 3084 T
R

S
8642 -68833 T
N
0 G
0 -900 M
/Helvetica-ISOLatin1 F 1200 o f
(Callon) h
25502 -900 M
43105 -900 M
(Page ) h
(iii) h
0 -2337 M
-8642 68833 T
R

R
S
8502 -8501 T
N
0 G
0 -750 M
4252 -750 M
/Times-Roman-ISOLatin1 $
/Times-Roman & P
/Times-Roman-ISOLatin1 F 1000 o f
(B.1) h
7087 -750 M
(Level 1 Complete Sequence Numbers PDU) h
24750 -750 M
(....................................................................................) h
46031 -750 M
(43) h
0 -2550 M
4252 -2550 M
(B.2) h
7087 -2550 M
(Level 2 Complete Sequence Numbers PDU) h
24750 -2550 M
(....................................................................................) h
46031 -2550 M
(45) h
0 -4350 M
4252 -4350 M
(B.3) h
7087 -4350 M
(Level 1 Partial Sequence Numbers PDU) h
23500 -4350 M
(.........................................................................................) h
46031 -4350 M
(47) h
0 -6150 M
4252 -6150 M
(B.4) h
7087 -6150 M
(Level 2 Partial Sequence Numbers PDU) h
23500 -6150 M
(.........................................................................................) h
46031 -6150 M
(49) h
0 -8100 M
720 -8100 M
/Times-Bold-ISOLatin1 $
/Times-Bold & P
/Times-Bold-ISOLatin1 F 1200 o f
(C) h
4248 -8100 M
(Dijkstra Calculation and Forwarding) h
23750 -8100 M
/Times-Roman-ISOLatin1 F 1000 o f
(.......................................................................................) h
45831 -8100 M
/Times-Bold-ISOLatin1 F 1200 o f
(51) h
0 -10150 M
4252 -10150 M
/Times-Roman-ISOLatin1 F 1000 o f
(C.1) h
7087 -10150 M
(SPF Algorithm for IP and Dual Use) h
21750 -10150 M
(................................................................................................) h
46031 -10150 M
(51) h
0 -11950 M
4252 -11950 M
(C.2) h
7087 -11950 M
(Forwarding of IP packets) h
17500 -11950 M
(.................................................................................................................) h
46031 -11950 M
(57) h
0 -13900 M
720 -13900 M
/Times-Bold-ISOLatin1 F 1200 o f
(D) h
4248 -13900 M
(Use of the Authentication Field) h
20500 -13900 M
/Times-Roman-ISOLatin1 F 1000 o f
(....................................................................................................) h
45831 -13900 M
/Times-Bold-ISOLatin1 F 1200 o f
(62) h
0 -15950 M
4252 -15950 M
/Times-Roman-ISOLatin1 F 1000 o f
(D.1) h
7087 -15950 M
(Authentication Field in IS\255IS packets) h
22250 -15950 M
(..............................................................................................) h
46031 -15950 M
(62) h
0 -17750 M
4252 -17750 M
(D.2) h
7087 -17750 M
(Authentication Type 1 \255 Simple Password) h
24000 -17750 M
(.......................................................................................) h
46031 -17750 M
(62) h
0 -19700 M
720 -19700 M
/Times-Bold-ISOLatin1 F 1200 o f
(E) h
4248 -19700 M
(Interaction of the Integrated IS\255IS with Brouters) h
29500 -19700 M
/Times-Roman-ISOLatin1 F 1000 o f
(................................................................) h
45831 -19700 M
/Times-Bold-ISOLatin1 F 1200 o f
(64) h
0 -21750 M
4252 -21750 M
/Times-Roman-ISOLatin1 F 1000 o f
(E.1) h
7087 -21750 M
(The Problem) h
12500 -21750 M
(.....................................................................................................................................) h
46031 -21750 M
(64) h
0 -23550 M
4252 -23550 M
(E.2) h
7087 -23550 M
(Possible Solutions) h
14750 -23550 M
(............................................................................................................................) h
46031 -23550 M
(65) h
0 -26850 M
/Times-Bold-ISOLatin1 F 1400 o f
(Figures) h
0 -28950 M
709 -28950 M
/Times-Roman-ISOLatin1 F 1000 o f
(1) h
4252 -28950 M
(ISO Hierarchical Address Structure) h
18750 -28950 M
(..............................................................................................................) h
46531 -28950 M
(3) h
0 -30350 M
709 -30350 M
(2) h
4252 -30350 M
(An Example) h
9500 -30350 M
(.................................................................................................................................................) h
46031 -30350 M
(13) h
0 -31750 M
709 -31750 M
(3) h
4252 -31750 M
(Encoding of Variable Length Fields) h
18750 -31750 M
(............................................................................................................) h
46031 -31750 M
(27) h
0 -33121 M
-8502 8501 T
R

showpage
$P e

/$P a D
g N
0 79200 T
S
S
8642 -3084 T
N
0 G
0 -900 M
/Helvetica-ISOLatin1 $
/Helvetica & P
/Helvetica-ISOLatin1 F 1200 o f
(RFC 1195) h
15164 -900 M
(OSI ISIS for IP and Dual Environments) h
38169 -900 M
(December, 1990) h
0 -2337 M
-8642 3084 T
R

S
8642 -68833 T
N
0 G
0 -900 M
/Helvetica-ISOLatin1 F 1200 o f
(Callon) h
25502 -900 M
43237 -900 M
(Page ) h
(1) h
0 -2337 M
-8642 68833 T
R

R
S
8502 -8501 T
N
0 G
0 -1200 M
/Times-Bold-ISOLatin1 $
/Times-Bold & P
/Times-Bold-ISOLatin1 F 1600 o f
(1 ) h
1417 -1200 M
(Introduction: Overview of the Protocol) h
0 -4193 M
/Times-Roman-ISOLatin1 $
/Times-Roman & P
/Times-Roman-ISOLatin1 F 1200 o f
147.4 0 32 (The TCP/IP protocol suite has been growing in importance as a multi\255vendor communications) W
0 -5443 M
93.0 0 32 (architecture. With the anticipated emergence of OSI, we expect coexistence of TCP/IP and OSI) W
0 -6693 M
55.9 0 32 (to continue for an extended period of time. There is a critical need for routers to support both IP) W
0 -7943 M
(traffic and OSI traffic in parallel. ) h
0 -10486 M
89.9 0 32 (There are two main methods that are available for routing protocols to support dual OSI and IP) W
0 -11736 M
48.1 0 32 (routers. One method, known as ) W
48.1 0 32 (\026) W
48.1 0 32 (Ships in the Night) W
48.1 0 32 (\027) W
48.1 0 32 (, makes use of completely independent rout\255) W
0 -12986 M
210.0 0 32 (ing protocols for each of the two protocol suites. This specification presents an alternate ap\255) W
0 -14236 M
88.6 0 32 (proach, which makes use of a single integrated protocol for interior routing \(i.e., for calculating) W
0 -15486 M
(routes within a routing domain\) for both protocol suites.) h
0 -18029 M
38.3 0 32 (This integrated protocol design is based on the OSI Intra\255domain IS\255IS routing protocol [1], with) W
0 -19279 M
40.6 0 32 (IP\255specific functions added. This RFC is considered a companion to the OSI IS\255IS Routing spec,) W
0 -20529 M
(and will only describe the required additional features. ) h
0 -23072 M
31.2 0 32 (By supporting both IP and OSI traffic, this integrated protocol design supports traffic to IP hosts,) W
0 -24322 M
52.6 0 32 (OSI end systems, and dual end systems. This approach is ) W
52.6 0 32 (\026) W
52.6 0 32 (integrated) W
52.6 0 32 (\027) W
52.6 0 32 ( in the sense that the IS\255IS) W
0 -25572 M
25.5 0 32 (protocol can be used to support pure\255IP environments, pure\255OSI environments, and dual environ\255) W
0 -26822 M
143.8 0 32 (ments. In addition, this approach allows interconnection of dual \(IP and OSI\) routing domains) W
0 -28072 M
(with other dual domains, with IP\255only domains, and with OSI\255only domains.) h
0 -30615 M
(The protocol specified here is based on the work of the IETF IS\255IS working group.) h
0 -33308 M
/Times-Bold-ISOLatin1 F 1400 o f
(1.1 ) h
2126 -33308 M
(What the Integrated IS\255IS offers) h
0 -36251 M
/Times-Roman-ISOLatin1 F 1200 o f
0.2 0 32 (The integrated IS\255IS provides a single routing protocol which will simultaneously provide an effi\255) W
0 -37501 M
89.7 0 32 (cient routing protocol for TCP/IP, and for OSI. This design makes use of the OSI IS\255IS routing) W
0 -38751 M
163.8 0 32 (protocol, augmented with IP\255specific information. This design provides explicit support for IP) W
0 -40001 M
133.6 0 32 (subnetting, variable subnet masks, TOS\255based routing, and external routing. There is provision) W
0 -41251 M
58.8 0 32 (for authentication information, including the use of passwords or other mechanisms. The precise) W
0 -42501 M
107.5 0 32 (form of authentication mechanisms \(other than passwords\) is outside of the scope of this docu\255) W
0 -43751 M
(ment.) h
0 -46294 M
73.2 0 32 (Both OSI and IP packets are forwarded ) W
73.2 0 32 (\026) W
73.2 0 32 (as is) W
73.2 0 32 (\027) W
73.2 0 32 ( ) W
73.2 0 32 (\002) W
73.2 0 32 ( i.e., they are transmitted directly over the un\255) W
0 -47544 M