ppt
... • Positive transition for 0, negative for 1 • Transition every cycle communicates clock (but need 2 transition times per bit) • DC balance has good electrical properties ...
... • Positive transition for 0, negative for 1 • Transition every cycle communicates clock (but need 2 transition times per bit) • DC balance has good electrical properties ...
Ağ Güvenliği - Dr. Mustafa Cem Kasapbasi
... contents of protocol packets by encapsulating them in packets of another protocol ...
... contents of protocol packets by encapsulating them in packets of another protocol ...
Electronic Mail
... Protocols Tailored to the Application • Telnet: interacting with account on remote machine – Client simply relays user keystrokes to the server – … and server simply relays any output to the client – TCP connection persists for duration of the login session – Network Virtual Terminal format for tra ...
... Protocols Tailored to the Application • Telnet: interacting with account on remote machine – Client simply relays user keystrokes to the server – … and server simply relays any output to the client – TCP connection persists for duration of the login session – Network Virtual Terminal format for tra ...
Lect 4 - ROLL
... Goal is to cover specific points in an area with at least k sensors These locations may be sparse, thus requiring relay nodes Needs to consider the nature of traffic so as not to over-consume the batteries of certain relay nodes Example: how to optimally distribute N relay nodes if you have 2 so ...
... Goal is to cover specific points in an area with at least k sensors These locations may be sparse, thus requiring relay nodes Needs to consider the nature of traffic so as not to over-consume the batteries of certain relay nodes Example: how to optimally distribute N relay nodes if you have 2 so ...
Metadata
... manipulation of results sets -- e.g., sort or delete present -- requests the server to send specified records from the results set to the client in a specified format • options: for controlling content and formats for managing large records or large results sets ...
... manipulation of results sets -- e.g., sort or delete present -- requests the server to send specified records from the results set to the client in a specified format • options: for controlling content and formats for managing large records or large results sets ...
Ethernet - GITAM University
... regarding this layer are FTP,HTTP,SMTP,TELNET,SNMP. Transport layer: Provides communication session management between host computers. Defines the level of service and status of the connection used when transporting data. Protocols involved in this layer are TCP,UDP. Internet layer: Packages data in ...
... regarding this layer are FTP,HTTP,SMTP,TELNET,SNMP. Transport layer: Provides communication session management between host computers. Defines the level of service and status of the connection used when transporting data. Protocols involved in this layer are TCP,UDP. Internet layer: Packages data in ...
ppt
... Tremendous benefit. Render as if local, no latency. But, note, “fix up” step additional. Needed since server has master copy. ...
... Tremendous benefit. Render as if local, no latency. But, note, “fix up” step additional. Needed since server has master copy. ...
HTTP (HYPERTEXT TRANSFER PROTOCOL)
... further reduces lag time, allowing clients to send multiple requests before a previous response has been received to the first one. Another improvement to the protocol was byte serving, which is when a server transmits just the portion of a resource explicitly requested by a client. ...
... further reduces lag time, allowing clients to send multiple requests before a previous response has been received to the first one. Another improvement to the protocol was byte serving, which is when a server transmits just the portion of a resource explicitly requested by a client. ...
TCP/IP architecture
... 1. Router receives a frame from one network (e.g., N1) through its physical layer 2. The data link entity for N1 extracts the IP packet from the frame and passes the IP packet up to its network entity. 3. The network entity checks destination IP address (finds the packet is not for itself) and deter ...
... 1. Router receives a frame from one network (e.g., N1) through its physical layer 2. The data link entity for N1 extracts the IP packet from the frame and passes the IP packet up to its network entity. 3. The network entity checks destination IP address (finds the packet is not for itself) and deter ...
18739A-JFK-Anonimity
... You cannot be anonymous by yourself! Hide your activities among others’ similar activities For example, sender and his email are no more related after observing communication than they were before ...
... You cannot be anonymous by yourself! Hide your activities among others’ similar activities For example, sender and his email are no more related after observing communication than they were before ...
The eDonkey File-Sharing Network
... overall throughput), while TCP is about 0.75/0.25 kB/s after the same time. In the beginning though TCP throughput is 1.5/1 kB/s and decreases significantly after the server gets more known and UDP throughput increases massively thus suppressing the TCP communication. Connection Statistics. We obser ...
... overall throughput), while TCP is about 0.75/0.25 kB/s after the same time. In the beginning though TCP throughput is 1.5/1 kB/s and decreases significantly after the server gets more known and UDP throughput increases massively thus suppressing the TCP communication. Connection Statistics. We obser ...
Domain Name System (DNS)
... encountered, and then returns the data as a string. To send data back to the client from the streaming server, use the wfile.write(string) command to write the string back to the client. ...
... encountered, and then returns the data as a string. To send data back to the client from the streaming server, use the wfile.write(string) command to write the string back to the client. ...
Chapter 4: Communication
... • Reliable communication is considered connection-oriented because it “looks like” communication in circuit switched networks. ...
... • Reliable communication is considered connection-oriented because it “looks like” communication in circuit switched networks. ...
COS 461: Computer Networks Course Review (12 weeks in 80 minutes)
... – If someone else starts talking at the same 8me, stop – Realizing when two nodes are transmifng at once – …by detecVng that the data on the wire is garbled ...
... – If someone else starts talking at the same 8me, stop – Realizing when two nodes are transmifng at once – …by detecVng that the data on the wire is garbled ...
Chapter 7
... p i the time packet i is played at receiver ri t i network delay for ith packet d i estimate of average network delay after receiving ith packet ...
... p i the time packet i is played at receiver ri t i network delay for ith packet d i estimate of average network delay after receiving ith packet ...
Understanding the Transaction Breakdown Reports
... server (specified by the URL(s) in the script), communication is carried out, by default, over four connections simultaneously. As the Web page is retrieved, its various components (images, applets, and so on) travel in data packets from server to client across these multiple connections. As a resul ...
... server (specified by the URL(s) in the script), communication is carried out, by default, over four connections simultaneously. As the Web page is retrieved, its various components (images, applets, and so on) travel in data packets from server to client across these multiple connections. As a resul ...
Network Security - University of Engineering and Technology
... The connection is private. Encryption is used after an initial handshake to define a secret key. Symmetric cryptography is used for data encryption (e.g., DES, RC4, etc.) The peer's identity can be authenticated using asymmetric, or public key, cryptography (e.g., RSA, DSS, etc.). The connecti ...
... The connection is private. Encryption is used after an initial handshake to define a secret key. Symmetric cryptography is used for data encryption (e.g., DES, RC4, etc.) The peer's identity can be authenticated using asymmetric, or public key, cryptography (e.g., RSA, DSS, etc.). The connecti ...
Lecture 8 - cda college
... client can choose any port number (higher than 1024). This port number acts like a return address for the requesting application. The Transport layer keeps track of this port and the application that initiated the request so that when a response is returned, it can be forwarded to the correct ap ...
... client can choose any port number (higher than 1024). This port number acts like a return address for the requesting application. The Transport layer keeps track of this port and the application that initiated the request so that when a response is returned, it can be forwarded to the correct ap ...
Multimedia networking
... client-side adaptive playout delay: to compensate for delay server side matches stream bandwidth to available client-to-server path bandwidth ...
... client-side adaptive playout delay: to compensate for delay server side matches stream bandwidth to available client-to-server path bandwidth ...
Lecture12
... Buffering: What if the out port is not available? What if the receiver is not ready to receive the message? Reliability: What if the message is lost in transit? What if the message is corrupted in transit? ...
... Buffering: What if the out port is not available? What if the receiver is not ready to receive the message? Reliability: What if the message is lost in transit? What if the message is corrupted in transit? ...
Wireless Communications and Networks
... Some nodes connect only to other nodes (e.g., 5 and 7) Some nodes connect to one or more stations Node-station links usually dedicated point-to-point links Node-node links usually multiplexed links ...
... Some nodes connect only to other nodes (e.g., 5 and 7) Some nodes connect to one or more stations Node-station links usually dedicated point-to-point links Node-node links usually multiplexed links ...