4 pgs ts lê hùng lân ts nguyễn thanh hải ts nguyễn quang tuấn ths đặng quang thạch ths nguyễn trung dũng hệ thống giao thông thông minh nxb giao thông vận tải 2012
... IPv4 40 1.5.3 Phân mảnh hợp gói IP 42 1.5 .4 Một số giao thức điều khiển 42 1.5.5 Định tuyến IP 44 1.5.6 Giao thức liên mạng hệ IPv6 46 Chương II Tổng quan hệthống giám sát giaothông 48 2.1 Hệ ... camera quan sát 4. 3.2 Dung lượng truyền dẫn cho hệthống camera an ninh 4. 3.3 Dung lượng truyền dẫn cho hệthống đo tốc độ xe 4. 3 .4 Dung lượng truyền dẫn cho toàn hệthống4.4 Tính toán dung ... 4. 2 Các số liệu hệthống giám sát giaothông đường hầm sông Sài Gòn 96 96 4. 3 Tính toán dung lượng truyền dẫn cho hệthống giám sát đường hầm sông Sài Gòn 4. 3.1 Dung lượng truyền dẫn cho hệ thống...
... 672 64- kbps connections and is 44 .736 Mbps E3 carries 16 E1s or 512 64- kbps connections and is 34. 368 Mbps T4 handles 168 T1 circuits or 40 32 4- kbps connections and is 2 74. 176 Mbps • • T3, T4 carrier ... 1-700-123-31 54 The LEC receives the dialed digits The LEC switch sends those digits to the IXC The IXC receives the digits 1-700-123-31 54, knows this is a VPN, and translates the digits to 1-510555-6025, ... bits are robbed from frames and 12 for SF and frames 6, 12, 18, and 24 for ESF These bits are referred to as the Sa and Sb bits for SF, and the Sa, Sb, Sc, and Sd bits for ESF Robbing these bits...
... Service Provider Services Summary II: Voice over IP Technology Voice over IP Benefits and Applications Key Benefits of VoIP Packet Telephony Call Centers Service Provider Calling-Card Case Study ... Applications and Benefits Enterprise VoIP Case Study: B.A.N.C Financing International Service Provider Case Study: Prepaid Calling Card Summary A ISUP Messages/ Types Formats Feedback Information ... telephony networking Introduce IP networking concepts Provide a solid explanation of how voice is transported over IP networks Cover the various caveats of converging voice and data networks Provide...
... components of an internetwork have distinct design requirements An internetwork that consists of only 50 meshed routing nodes can pose complex problems that lead to unpredictable results Attempting ... technology Converts existing twisted-pair telephone lines into access paths for multimedia and high-speed data communica- tions ADSL transmits more than Mbps to a subscriber, and as much as 640 kbps more ... are implemented using access lists An access list is a sequence of statements, each of which either permits or denies certain conditions or addresses Access lists can be used to permit or deny...
... Cisco Systems, Inc 170 West Tasman Drive San Jose, CA 951 34- 1706 USA http://www.cisco.com Tel: 40 8 526 -40 00 800 553-NETS (6387) Fax: 40 8 526 -41 00 European Headquarters Cisco Systems Europe 11 Rue ... neighbor 4. 1.2.1 remote-as 300 neighbor 4. 1.2.1 description Link to Excalabur neighbor 4. 1.2.1 send-community neighbor 4. 1.2.1 version neighbor 4. 1.2.1 soft-reconfiguration inbound neighbor 4. 1.2.1 ... an ISP must know the load on its backbone circuits and the load on its customer circuits It also needs to keep track of the packets lost on routers at various points of the network And it needs...
... ip 165.10.192 .4 name r4 broadcast 40 85552 040 dialer map ip 165.10.192 .4 name r4 broadcast 40 85552 041 dialer load-threshold either dialer-group isdn switch-type basic-ni isdn spid1 40 855520600101 ... map 1q4t 1 cos set qos map 1q4t 1 cos set qos map 1q4t cos set qos map 1q4t cos set qos map 1q4t cos set qos map 1q4t cos set qos map 1q4t cos set qos map 1q4t cos set qos wred-threshold 1q4t tx ... load-threshold either dialer-group isdn switch-type basic-ni isdn spid1 40 85552 040 0101 5552 040 isdn spid2 40 85552 041 0101 5552 041 cdapi buffers regular cdapi buffers raw cdapi buffers large ppp authentication...
... ID Hình 9: Đặc tính băng thông 3 .4. 4Thông số hiệu (Performance parameters) Các thông số ảnh hưởng đến chất lượng dịch vụ mà thuê bao cảm nhận Thông số hiệu đánh giá qua thông số sau: - Độ khả ... tính băng thông theo EVC - Đặc tính băng thông theo mã xác định lớp dịch vụ (CoS Identifier) Đặc tính băng thông bao gồm thông số lưu lượng mô tả phần tiếp sau Những giới hạn ảnh hưởng đến thông ... 3 .4. 3 Đặc tính băng thông (Bandwidth profile) MEF địng nghĩa đặc tính băng thông ứng dụng UNI hay cho EVC Đặc tính băng thông giới hạn mà khung Ethernet xuyên qua UNI Có thể có đặc tính băng thông...
... components of an internetwork have distinct design requirements An internetwork that consists of only 50 meshed routing nodes can pose complex problems that lead to unpredictable results Attempting ... implementation 31 74 Token Ring Router A E2 IP network E1 Router B Token Ring 3 745 1.0.0.1 3278 LU 04 1.0.0.2 3278 LU02 3278 LU03 In Figure 2-5, the IBM mainframe is channel-attached to a 3 745 communications ... 37x5 SNA backbone 16 /4 Token Mbps Ring Router Router Token 16 /4 Ring Mbps Sun workstations Remote site 16 /4 Token Mbps Ring Router Router Sun workstations Cluster controller 3x 74 3270 3270 IBM terminals...
... Switch SJ_2, Port 12 … 01: 34: B4:DA :45 :6A 01: 34: B4:DA:53:31 01: 34: B4:DA:55:12 A2:D4:23:8C:11:B2 123.67.225.13 123.67.168.187 123.67.168.189 123.67.225.19 B4:23:60:DD:2F:02 B4:23:50:E0:65:81 123.67.219.101 ... of the hosts and aggregator will not be contaminated 4.4 Port ACL All of the above aim to avoid malicious users from poisoning the ARP tables of the network switch/router and other hosts in the ... inspection As a result, DAI restricts ARP request access by not relaying invalid ARP requests and responses out to other ports in the same VLAN Unsolicited ARP requests will be prevented from the...
... Memory Builders 41 4 Fill in Key Tables from Memory 41 4 Definitions 41 4 Further Reading 41 5 Chapter 13 BGP Routing Policies 41 7 “Do I Know This Already?” Quiz 41 7 Foundation Topics 42 3 Route Filtering ... and the BGP Decision Process 44 2 Generic Terms and Characteristics of BGP PAs 44 2 The BGP Decision Process 44 4 42 9 xix Clarifications of the BGP Decision Process 44 5 Two Final Tiebreaker Steps ... Summarization 42 3 Filtering BGP Updates Based on NLRI 42 4 Route Map Rules for NLRI Filtering 42 7 Soft Reconfiguration 42 8 Comparing BGP Prefix Lists, Distribute Lists, and Route Maps 42 8 Filtering Subnets...
... cases Cortex, 33, 44 1 46 1 (LF, EA) WHAT ARE THE FACTS OF SEMANTIC CATEGORY-SPECIFIC DEFICITS 41 Laiacona, M., Capitani, E., & Caramazza, A (in press) Category-specific semantic deficits not reflect ... http://www.tandf.co.uk/journals/pp/02 643 2 94. html DOI: 10.1080/02 643 290 342 000050 THE ORGANISATION OF CONCEPTUAL KNOWLEDGE IN THE BRAIN Figure Cumulative number of patients with category-specific disorders for biological objects ... Saffran, E.M (1994a) Category specific semantic impairments: An infrequent occurrence? Brain and Language, 47 , 383–386 (VP, CN 94, PJ, DM 94) Breedin S.D., Saffran E.M., & Coslett, B.H (1994b) Reversal...
... router: 00-03-6b -48 -e9-20 You can also represent this value as 00:03:6b :48 :e9:20 or 0003.6b48.e920 The IEEE has assigned the first 24 bits, 00-03-6b, to Cisco The remaining 24 bits, 48 -e9-20, • Table ... Cisco Systems, Inc 170 West Tasman Drive San Jose, CA 951 34- 1706 USA www.cisco.com Tel: 40 8 526 -40 00 800 553-NETS (6387) Fax: 40 8 526 -41 00 European Headquarters Cisco Systems International BV ... assigns unique 24- bit organizational unique identifiers (OUIs) to vendors The OUI is the first 24 bits of the Ethernet address The vendors themselves assign the remaining 24 bits This process...