TCP/IP Tutorial and Technical Overview phần 5 ppt

... functional conformance and performance testing for implementations of IETF IPv6 standards or RFCs. Interoperability testing is also a key ITS service. 398 TCP/IP Tutorial and Technical Overview 802.11a ... 354 2 – Advanced Sockets Application Program Interface (API) for IPv6 (May 2003)  RFC 450 6 – XDR: External Data Representation Standard. (Also STD0067) (May 2006) 416 TCP/...

Ngày tải lên: 14/08/2014, 14:20

... traffic between subnets. 110 TCP/IP Tutorial and Technical Overview 3.2.1 ICMP messages ICMP messages are described in RFC 792 and RFC 950 , belong to STD 5, and are mandatory. ICMP messages are ... sent to the all-routers multicast address (224.0.0.2) or the limited broadcast address ( 255 . 255 . 255 . 255 ). Typically, three solicitation messages are sent at 3-second in...

Ngày tải lên: 14/08/2014, 14:20

... DR and BDR. This is a two step process. 184 TCP/IP Tutorial and Technical Overview Figure 5- 5 illustrates the distance vector tables for three routers within a simple internetwork. Figure 5- 5 ... Direct 1 Direct 1 B: Unreachable C 4 C 5 C 6 C 11 C 12 C: B 3 A 4 A 5 A 6 A 11 D 11 A: B 3 C 4 C 5 C 6 C 11 C 12 178 TCP/IP Tutorial and Technical Overview Figure 5-...

Ngày tải lên: 14/08/2014, 14:20

... place on foreign subnets, even if DHCP and co-located care-of address is the preferred method of address allocation. 308 TCP/IP Tutorial and Technical Overview The RSVP Resv messages looks similar ... data packets to a special TCP/IP port, the receivers can make a Wildcard-Filter reservation for all packets with this destination port. 324 TCP/IP Tutorial and Technical...

Ngày tải lên: 14/08/2014, 14:20

... regular basis. 714 TCP/IP Tutorial and Technical Overview 19.2 Presence Information Data Format (PIDF) RFC 3 859 – Common Profile for Presence (CPP) defines common semantics and data formats for ... resources. 712 TCP/IP Tutorial and Technical Overview Changes to presence information are distributed to subscribers through notifications. Figure 19-3, Figure 19-4 and F...

Ngày tải lên: 14/08/2014, 14:20

... (4.3BSD Tahoe) and 1990 (4.3BSD Reno). 4.4BSD was released in 1993. Due to funding constraints, 4.4BSD was xxiv TCP/IP Tutorial and Technical Overview 12 TCP/IP Tutorial and Technical Overview Gateway ... synonymous with “IP gateway.” TCP/IP Tutorial and Technical Overview December 2006 International Technical Support Organization GG24-3376-07 10 TCP/IP...

Ngày tải lên: 14/08/2014, 14:20

... Specifications (May 1983)  RFC 855 – TELNET Option Specifications. (May 1983)  RFC 2 355 – TN3270 Enhancements (June 1998) 486 TCP/IP Tutorial and Technical Overview  The NVT provides a local ... Operation (June 2006) 496 TCP/IP Tutorial and Technical Overview Principle of operation REXECD is a server (or daemon). It handles commands issued by foreign hosts and trans...

Ngày tải lên: 14/08/2014, 14:20

... hard line break and an imbedded =0D=0A 6 G 22 W 38 m 54 2 7 H23X39n 553 8 I24Y40o564 9 J25Z41p5 75 10K26a42q586 11L27b43r597 12 M 28 c 44 s 60 8 13 N 29 d 45 t 61 9 14O30e46u62+ 15 P 31 f 47 v 63 ... Unfortunately, digest authentication is not yet supported by all browsers. 59 4 TCP/IP Tutorial and Technical Overview 15. 5.3 IMAP4 commands and response interaction IMAP4...

Ngày tải lên: 14/08/2014, 14:20

... blocks and has a key length of 56 bits, often expressed as a 64-bit number, with every 810 TCP/IP Tutorial and Technical Overview IPSec adds integrity checking, authentication, encryption, and ... the 784 TCP/IP Tutorial and Technical Overview e and d are called the public and private exponents, respectively. The public key is the pair (n,e); the private key is...

Ngày tải lên: 14/08/2014, 14:20

... vary widely and have advantages and disadvantages. 898 TCP/IP Tutorial and Technical Overview Figure 23-6 and Figure 23-7 show sniffer traces for two types of authentication, EAP-MD5 and PEAP, ... acquirer payment gateways need one for signing messages and another for encryption purposes. 912 TCP/IP Tutorial and Technical Overview 24 .5 Virtualization Virtua...

Ngày tải lên: 14/08/2014, 14:20