2021년 2월 17일 (수) 08:09에 Pythagoras0님의 편집

2021-02-17T08:09:07Z

Pythagoras0: /* 메타데이터 */ 새 문단

2020-12-26T12:17:59Z

메타데이터: 새 문단

Pythagoras0: /* 노트 */ 새 문단

2020-12-21T10:47:55Z

노트: 새 문단

새 문서

== 노트 ==

===위키데이터===
* ID : [https://www.wikidata.org/wiki/Q214111 Q214111]
===말뭉치===
# A packet is the unit of data that is routed between an origin and a destination on the Internet or any other packet-switched network.<ref name="ref_296903b4">[https://searchnetworking.techtarget.com/definition/packet Definition from WhatIs.com]</ref>
# A packet-switching scheme is an efficient way to handle transmissions on a connection-less network such as the Internet.<ref name="ref_296903b4" />
# In telecommunications and computer networking, a network packet is a formatted unit of data carried by a packet-switched network.<ref name="ref_33e8ce20">[https://en.wikipedia.org/wiki/Network_packet Network packet]</ref>
# Different communications protocols use different conventions for distinguishing between the elements of a packet and for formatting the user data.<ref name="ref_33e8ce20" />
# For example, in Point-to-Point Protocol, the packet is formatted in 8-bit bytes, and special characters are used to delimit the different elements.<ref name="ref_33e8ce20" />
# Other protocols, like Ethernet, establish the start of the header and data elements by their location relative to the start of the packet.<ref name="ref_33e8ce20" />
# Packet networks grew out of the computing world and used computing technology for their switching.<ref name="ref_0db20746">[https://www.sciencedirect.com/topics/engineering/packet-networks Packet Networks - an overview]</ref>
# Packet networks rely on circuit networks for transmission, and packets provide a means of sharing the circuit bandwidth.<ref name="ref_0db20746" />
# Most simply put, a packet is a block of information with some overhead information attached.<ref name="ref_0db20746" />
# The overhead information is called a header, and its most important purpose is to distinguish one packet from another so that they can be delivered to the correct destination.<ref name="ref_0db20746" />
# I received the packet of legal papers today.<ref name="ref_4639d6f0">[https://www.merriam-webster.com/dictionary/packet Definition of Packet by Merriam-Webster]</ref>
# Data in the header is used by networking hardware to direct the packet to its destination, where the payload is extracted and used by application software.<ref name="ref_5db56a29">[https://en.wikipedia.org/wiki/Packet_switching Packet switching]</ref>
# Packet-based communication may be implemented with or without intermediate forwarding nodes (switches and routers).<ref name="ref_5db56a29" />
# In 1966, Davies proposed that a network should be built at the laboratory to serve the needs of NPL and prove the feasibility of packet switching.<ref name="ref_5db56a29" />
# Packet switching may be classified into connectionless packet switching, also known as datagram switching, and connection-oriented packet switching, also known as virtual circuit switching.<ref name="ref_5db56a29" />
# Packet removes these abstractions while maintaining the automation experience.<ref name="ref_5bd8d563">[https://www.intel.com/content/www/us/en/customer-spotlight/stories/packet-bare-metal-customer-story.html Packet: Bare Metal Services with Intel® Technology]</ref>
# Currently, Packet serves nearly 1,000 companies, including leading communications service providers and SaaS companies.<ref name="ref_5bd8d563" />
# Packet has seen especially high demand for bare-metal services in edge and enterprise deployments.<ref name="ref_5bd8d563" />
# Customers can choose from among 11 curated platform designs, or work with Packet to build a totally custom environment.<ref name="ref_5bd8d563" />
# From fiber to packets: how links between packet switches are derived from an optical fiber infrastructure.<ref name="ref_3552f1ff">[https://www.sciencedirect.com/topics/computer-science/packet-network Packet Network - an overview]</ref>
# In Figure 2.18 we assume the example of a packet network, such as an internet.<ref name="ref_3552f1ff" />
# At places where packet switches are deployed, a digital crossconnect extracts a digital subcarrier, which is then connected to a port of the packet switch.<ref name="ref_3552f1ff" />
# The packet switch then extracts packets from the digital bit stream.<ref name="ref_3552f1ff" />
# A packet is a small amount of data sent over a network, such as a LAN or the Internet.<ref name="ref_05fe0763">[https://techterms.com/definition/packet Packet Definition]</ref>
# Similar to a real-life package, each packet includes a source and destination as well as the content (or data) being transferred.<ref name="ref_05fe0763" />
# While the exact structure of a packet varies between protocols, a typical packet includes two sections — a header and payload.<ref name="ref_05fe0763" />
# Information about the packet is stored in the header.<ref name="ref_05fe0763" />
# So you might think if you send, for example, a packet from South America to Europe, you go from North America, South America, Great Britain, Netherlands, to Germany.<ref name="ref_cdb0a5e3">[https://www.dotmagazine.online/issues/connecting-the-world-whats-it-worth/synchronize-the-internet/data-packet-and-routing/data-packets-light-and-routing Data Packets, Light and Routing]</ref>
# What are other factors that affect the journey of the network packet, so speed, for example?<ref name="ref_cdb0a5e3" />
# The number of bytes in the packet beyond the initial 4 bytes that make up the packet header.<ref name="ref_d579d1eb">[https://dev.mysql.com/doc/internals/en/mysql-packet.html MySQL :: MySQL Internals Manual :: 14.1.2 MySQL Packets]</ref>
# Everything flowing through a network can be classified as part of data enclosed in a packet.<ref name="ref_2f818abd">[https://www.liveaction.com/blog/network-packet/ What Is a Network Packet?]</ref>
# Each packet is then sent off separately through the best available route into the internet network sequentially, to ensure even distribution of network traffic data.<ref name="ref_2f818abd" />
# This refers to the actual data being transported by the packet.<ref name="ref_2f818abd" />
# Network packet loss occurs when a packet is unable to get to its destination, either because it was dropped or the packet gets lost in transit – resulting in low quality of experience (QoE).<ref name="ref_2f818abd" />
# , , and fields keep track of each fragment when an IP packet is split up into smaller packets.<ref name="ref_26d7d122">[https://www.futurelearn.com/info/courses/introduction-to-networking/0/steps/53448 IP Packets, Routers and Routing]</ref>
# The time to live is set when the IP packet is sent off, and the number is reduced by 1 each time the packet goes through a router.<ref name="ref_26d7d122" />
# When the time to live gets to 0, the packet is deleted.<ref name="ref_26d7d122" />
# Each router examines and sends each IP packet individually — this is called packet switching.<ref name="ref_26d7d122" />
# In addition to problems with software and hardware, packet loss can also be caused by a security breach.<ref name="ref_23b04d8c">[https://www.forcepoint.com/cyber-edu/packet-loss What is Packet Loss?]</ref>
# One such attack that has become popular with cybercriminals in recent years is the packet drop attack.<ref name="ref_23b04d8c" />
# If you suddenly notice high rates of packet loss across your network, it could be a cyber attack in progress.<ref name="ref_23b04d8c" />
# Each packet has the internet address of where it came from and where it's going.<ref name="ref_b25fcb91">[https://www.khanacademy.org/computing/code-org/computers-and-the-internet/internet-works/v/the-internet-packet-routers-and-reliability Packets, routers, and reliability (video)]</ref>
# When your packets arrive, TCP does a full inventory and sends back acknowledgements of each packet received.<ref name="ref_b25fcb91" />
# For each missing or incomplete packet, Spotify will resend them.<ref name="ref_b25fcb91" />
# A packet, or network packet, is a formatted chunk of data sent over a network.<ref name="ref_2478d711">[https://developer.mozilla.org/en-US/docs/Glossary/Packet Packet - MDN Web Docs Glossary: Definitions of Web-related terms]</ref>
# A hop occurs when a packet is passed from one network to the next network.<ref name="ref_2478d711" />
# It is a field that is decreases by one each time a packet goes through, once it reaches 0 it has failed and the packet is discarded.<ref name="ref_2478d711" />
# Forward error correction is when the receiver uses the error-correcting code which automatically corrects the errors At the transmitter, the calculation is performed before the packet is sent.<ref name="ref_2478d711" />
# Each Windows package comes with the latest stable release of Npcap, which is required for live packet capture.<ref name="ref_7e316bb3">[https://www.wireshark.org/download.html Wireshark · Download]</ref>
# In late 1969, a team of UCLA graduate students under the leadership of professor Leonard Kleinrock sent the first packet-switched message between two computers.<ref name="ref_f2000486">[https://www.britannica.com/topic/ARPANET/A-packet-of-data ARPANET - A packet of data]</ref>
# All incoming packets of that protocol type will be passed to the packet socket before they are passed to the protocols implemented in the kernel.<ref name="ref_c7b61e2f">[https://man7.org/linux/man-pages/man7/packet.7.html Linux manual page]</ref>
# In order to create a packet socket, a process must have the CAP_NET_RAW capability in the user namespace that governs its network namespace.<ref name="ref_c7b61e2f" />
# SOCK_RAW packets are passed to and from the device driver without any changes in the packet data.<ref name="ref_c7b61e2f" />
# When receiving a packet, the address is still parsed and passed in a standard sockaddr_ll address structure.<ref name="ref_c7b61e2f" />
# Also called packet boat, packet ship .<ref name="ref_0dafac38">[https://www.dictionary.com/browse/packet Definition of Packet at Dictionary.com]</ref>
# Packet Switching transmits data across digital networks by breaking it down into blocks or packets for more efficient transfer using various network devices.<ref name="ref_ef164fbf">[https://avinetworks.com/glossary/packet-switching/ What is Packet Switching? Definition & FAQs]</ref>
# This classic type of packet switching includes multiple packets, each individually routed.<ref name="ref_ef164fbf" />
# Connection-Oriented Packet Switching.<ref name="ref_ef164fbf" />
# In connection-oriented packet switching, also called virtual circuit switching or circuit switching, data packets are first assembled and then numbered.<ref name="ref_ef164fbf" />
# If you have very infrequent packet loss, you may not notice much impact while you play, or you may notice a delay between a button press and when the associated action happens in the game.<ref name="ref_1ddf0c3c">[https://help.ea.com/en/help/connection-quality/explaining-packet-loss-in-your-game/ Explaining packet loss in your game]</ref>
# If you are experiencing frequent or consistent packet loss, this can result in things like speed up lag, visual stuttering, or even disconnects.<ref name="ref_1ddf0c3c" />
# Packet Slicing removes payload that may be irrelevant to network monitoring and security analysis.<ref name="ref_379c41db">[https://www.gigamon.com/products/optimize-traffic/traffic-intelligence/gigasmart/packet-slicing.html Packet Slicing]</ref>
# Inc. (Nasdaq: EQIX), the global interconnection and data center company, today announced it has completed the acquisition of Packet, a leading bare metal automation platform.<ref name="ref_60b16012">[https://www.equinix.com/newsroom/press-releases/pr/123893/Equinix-Completes-Acquisition-of-Bare-Metal-Leader-Packet/ Equinix Press Release]</ref>
# "We started Packet to help make infrastructure a competitive advantage for the leading companies of the world.<ref name="ref_60b16012" />
# "The Packet acquisition represents a bold move to accelerate our strategy for helping enterprises quickly and seamlessly deploy hybrid multicloud architectures on Platform Equinix.<ref name="ref_60b16012" />
# Overview Packet loss is when a piece of data sent from one networked device to another fails to arrive, and can occur for a variety of reasons.<ref name="ref_252bef32">[https://documentation.meraki.com/General_Administration/Tools_and_Troubleshooting/Troubleshooting_Packet_Loss_Between_Devices Troubleshooting Packet Loss Between Devices]</ref>
# On PC To confirm if packet loss is occurring: Open a command prompt on a client PC, via the Start Menu search for "cmd".<ref name="ref_252bef32" />
# This only tests for packet loss impacting ICMP or all traffic.<ref name="ref_252bef32" />
# The packet loss section under Historical data will show us if there is loss in ICMP packets while MX trying to ping 8.8.8.8.<ref name="ref_252bef32" />
# Packet loss priorities (PLPs) allow you to set the priority for dropping packets.<ref name="ref_88c1aad5">[https://www.juniper.net/documentation/en_US/junos/topics/concept/cos-packet-loss-priority-understanding-security.html Understanding Packet Loss Priorities]</ref>
# A packet for which the PLP bit is set has an increased probability of being dropped during congestion.<ref name="ref_88c1aad5" />
# Packet pacing techniques should be considered carefully, as any changes made will impact all traffic on a host.<ref name="ref_139ab55e">[https://fasterdata.es.net/network-tuning/packet-pacing/ Packet Pacing]</ref>
# When sending from a faster host to a slower host, it is easy to overrun the receiver, leading to packet loss and TCP backing off.<ref name="ref_139ab55e" />
# You can execute the packet capture from the operational mode with minimal impact to the production system without committing the configurations.<ref name="ref_6f4e101e">[https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/request-packet-capture-start.html request packet-capture start]</ref>
# You can request for only one packet capture at a time, and you need to stop each packet capture request before you give an another packet capture request.<ref name="ref_6f4e101e" />
# In chassis cluster mode, you must request operational mode packet capture from the primary node.<ref name="ref_6f4e101e" />
# The packet truncates if the capture size is more than the specified capture size.<ref name="ref_6f4e101e" />
# The two modules are: packet_sshkey: adds a public SSH key from file or value to the Packet infrastructure.<ref name="ref_a87f56b4">[https://docs.ansible.com/ansible/latest/scenario_guides/guide_packet.html Packet.net Guide — Ansible Documentation]</ref>
# packet_device: manages servers on Packet.<ref name="ref_a87f56b4" />
# The Packet modules and inventory script connect to the Packet API using the packet-python package.<ref name="ref_a87f56b4" />
# In order to check the state of devices created by Ansible on Packet, it’s a good idea to install one of the Packet CLI clients.<ref name="ref_a87f56b4" />
===소스===
<references />

@@ 88번째 줄: / 88번째 줄: @@
   <references />
-== 메타데이터 ==
+==메타데이터==
 ===위키데이터===
 * ID :  [https://www.wikidata.org/wiki/Q214111 Q214111]

← 이전 판		2020년 12월 26일 (토) 12:17 판
87번째 줄:		87번째 줄:
	===소스===		===소스===
	<references />		<references />
		+
		+	== 메타데이터 ==
		+
		+	===위키데이터===
		+	* ID : [https://www.wikidata.org/wiki/Q214111 Q214111]

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2021년 2월 17일 (수) 08:09에 Pythagoras0님의 편집

Pythagoras0: /* 메타데이터 */ 새 문단

Pythagoras0: /* 노트 */ 새 문단