... channel ❍ receiver read data from underlying channel Wait for call from above packet = make_pkt(data) udt_send(packet) rdt_send(data) extract (packet,data) deliver_data(data) Wait for call from below rdt_rcv(packet) sender receiver ... TCP and UDP application transport network data link physical application transport network data link physical network data link physical network data link physical network data link physical network data ... link physical application transport network data link physical network data link physical network data link physical network data link physical network data link physical network data link physical l o g i c a l ...
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Computer Networking A Top-Down Approach Featuring the Internet phần 2 ppsx
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Computer Networking A Top-Down Approach Featuring the Internet phần 9 pptx
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Computer Networking A Top-Down Approach Featuring the Internet phần 10 doc
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Computer Networking: A Top Down Approach, 5th edition ppt
... SSL and TCP/IP Application TCP IP Normal Application Application SSL TCP IP Application with SSL ã SSL provides application programming interface (API) to applications ã C and Java ... “I am Alice” R MAC Transfer $1M from Bill to Susan MAC = f(msg,s,R) Defending against playback attack: nonce 73 Toy: Data Records ❒ Why not encrypt data in constant stream as we ... libraries/classes readily available 80 Real SSL: Handshake (1) Purpose 1. Server authentication 2. Negotiation: agree on crypto algorithms 3. Establish keys 4. Client authentication...
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