Computer Networking: A Top Down Approach 6th edition Jim Kurose, Keith Ross AddisonWesley March 2012

Computer Networking: A Top Down Approach, 5th edition ppt

... each other Message integrity: sender, receiver want to ensure message not altered (in transit, or afterwards) without detection Access and availability: services must be accessible and available ... Cipher-text only attack: Trudy has ciphertext that she can analyze ❒  Two approaches: ❍  ❍  Search through all keys: must be able to differentiate resulting plaintext from gibberish Statistical analysis ... concatenated message 3.  Concatenates the secret to front of digest 4.  Hashes the combination again 47 Example: OSPF ❒  Recall that OSPF is an intra-AS routing protocol ❒  Each router creates map...

Dịch chapter 6 wireless and mobile networks,addison wesley computer networking, a top down approach 6th (2013)

... mạng nó, đăng ký COA nút di chuyển đến mạng xử lý điều • Một giao thức đóng gói home-agent datagram Đóng gói chuyển tiếp datagram ban đầu đ a gián tiếp datagram đ a gửi đến COA Page 51 ... nút di động Datagram lớn đáng đ a giao cho COA nút di động Các foreign agent, "sở hữu" COA, tiếp nhận datagram loại bỏ datagram ban đầu từ bên gói đóng gói lớn chuyển tiếp (bước Hình 6. 23) liệu ... muốn rời datagram nguyên vẹn tiếp nhận gói tin không nhận gói tin chuyển tiếp qua home agent Cả hai mục tiêu th a mãn có home agent đóng gói datagram ban đầu hoàn toàn datagram lớn Hình 6. 23:Định...

computer Networking: A Top-Down Approach Featuring the Internet, 5th Edition

... = đ a IP B Đ a MAC nguồn = đ a MAC E Đ a MAC đích = đ a MAC interface R1 kết nối tới Subnet c) Switch S1 broadcast Ethernet frame thông qua interface as đ a đích ARP frame nhận đ a broadcast ... tính Page 27 Computer Networking: A Top-Down Approach Featuring the Internet, 5th Edition – Translate by K55CC P17: Giả sử gửi 2400 byte datagram vào link, link có MTU 700bytes Cho datagram gốc ... Packet ARP phản hồi mang frame Ethernet với đ a đích Ethernet 77-77-77-77-77-77 Đề cương mạng máy tính Page 36 Computer Networking: A Top-Down Approach Featuring the Internet, 5th Edition – Translate...

Computer Networking: A Top Down Approach Featuring the Internet - Chapter 3 Transport Layer ppt

... application transport network data link physical available: r r delay guarantees bandwidth guarantees Transport Layer 3- 6 Chapter outline Ì 3. 1 Transport- layer services Ì 3. 2 Multiplexing and ... than one transport protocol available to apps r Internet: TCP and UDP application transport network data link physical application transport network data link physical Transport Layer 3- 4 Transport ... udt_send(sndpkt) start_timer Transport Layer 3- rdt3.0 in action Transport Layer 3- rdt3.0 in action Transport Layer 3- Performance of rdt3.0 Ì rdt3.0 works, but performance stinks Ì example: Gbps link,...

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Computer Networking: A Top Down Approach Featuring the Internet - Chapter 7 Multimedia Networking docx

... conceal errors: repeat nearby data r 7: Multimedia Networking 7- Chapter outline Ì 7. 1 Multimedia Networking Applications Ì 7. 2 Streaming stored audio and video Ì 7. 3 Real-time Multimedia: Internet ... available bandwidth 7: Multimedia Networking 7- Chapter outline Ì 7. 1 Multimedia Networking Applications Ì 7. 2 Streaming stored audio and video Ì 7. 3 Real-time Multimedia: Internet Phone study Ì 7. 4 ... at a PC-2PC Internet phone example in detail 7: Multimedia Networking 7- Interactive Multimedia: Internet Phone Introduce Internet Phone by way of an example Ì speaker’s audio: alternating talk...

Computer Networking: A Top Down Approach Featuring the Internet - Chapter 9 Network Management potx

... whose data is gathered into a Management Information Base (MIB) agent data agent data managed device managed device Network 9-5 Network Management standards OSI CMIP Ì Common Management Information ... Ì de facto network management standard Network 9-6 Chapter outline Ì What is network management? Ì Internet- standard management framework r Structure of Management Information: SMI r Management ... Infrastructure for network management definitions: managing entity agent data managing data entity managed device agent data network management protocol managed device managed devices contain managed objects...

Computer Networking A Top-Down Approach Featuring the Internet phần 1 pptx

... Overheads: Computer Networking: A Top Down Approach Featuring the Internet Chapter 3: The Transport Layer q q chapter 3a. ppt (Part 1, powerpoint format, 1. 201M, last update: 28-Dec-99) chapter3b.ppt ... Daytona Beach and then ask someone else In Daytona Beach another gas station attendant also extracts the Orlando portion of the address and tells Joe that he should take I-4 directly to Orlando ... that you calculate the end-to-end delay analytically and then verify your calculation with the applet 15 : 51: 40 Tracing Routes in the Internet Traceoute is a popular program for tracing a packet's...

Computer Networking A Top-Down Approach Featuring the Internet phần 2 ppsx

... 4 )20 /11 /20 04 15:51:48 ATMover (AAL), the ATM Layer, and the ATM Physical Layer: ATM Adaptation Layer (AAL) ATM Layer ATM Physical Layer Figure 1.10-1: The three ATM layers The ATM Physical Layer deals ... the ATM protocol stack consists of three layers: the ATM adaptation layer file:///D|/Downloads/Livros/computação /Computer% 20 Net %2 0Approach% 2 0Featuring% 2 0the% 2 0Internet/ ATMintro.htm (2 of 4 )20 /11 /20 04 ... document transfers, and financial applications require fully reliable data transfer, i.e., no data loss In particular, a loss of file data, or data in a financial transaction, can have devastating...

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