Deep Packet Inspection ( DPI ) ( also called complete packet inspection and Information eXtraction-IX -) is a form of computer network packet filtering that examines the data part ( and possibly also the header ) of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, spam, intrusions, or defined criteria to decide whether the packet may pass or if it needs to be routed to a different destination, or, for the purpose of collecting statistical information.

) is normally considered to be shallow packet inspection ( usually called Stateful Packet Inspection ) despite this definition.

Packet filters are one of several different types of firewalls that process network traffic on a packet-by-packet basis.

In order to do this the LB & SCR and the L & SWR together formed the South Western and Brighton Railway Companies Steam Packet Service ( SW & BRCSPS ) which bought out the existing operators.

Kenwood TS-2000 also have built-in Digital data modes ( APRS, built on AX. 25 Packet ), as do the mobile TM-D710A ( which replaced the earlier TM-D700A ) and handheld TH-D7 series.

Though the group was initially signed to Miles Copeland III's BTM Records, the label went under in late 1976, and so their early singles and debut EP, 1977's Packet of Three, were released on the Deptford Fun City label.

They developed a large importation business, shipping frozen meat from South America to Britain, initially from Argentina on ships of the Royal Mail Steam Packet Company, and other shipping lines that called at South American ports.

Initially the protocol stacks were linked into individual application executables, but by 1989 all PC / TCP applications shared a TSR kernel, which itself ( initially ) used built-in network interface drivers, and ( later ) TSR PC / TCP Packet Drivers.

PPP was designed to work with numerous network layer protocols, including Internet Protocol ( IP ), TRILL, Novell's Internetwork Packet Exchange ( IPX ), NBF and AppleTalk.

Since 2006, UMTS networks in many countries have been or are in the process of being upgraded with High Speed Downlink Packet Access ( HSDPA ), sometimes known as 3. 5G.

Work is also progressing on improving the uplink transfer speed with the High-Speed Uplink Packet Access ( HSUPA ).

Packet switching contrasts with another principal networking paradigm, circuit switching, a method which sets up a limited number of dedicated connections of constant bit rate and constant delay between nodes for exclusive use during the communication session.

Packet mode communication may be utilized with or without intermediate forwarding nodes ( packet switches or routers ).

The " Main OSPF Packet Header " is the same for all 5 types of packets ( with exception of the Type field ) whereas the following sub-headers will vary from type to type and are shown below the Main OSPF Packet Header.

* Packet analyzers: This involves capturing network traffic associated with HTTP POST events to retrieve unencrypted passwords.

In May 1840, just before the first ship was ready, they formed the British and North American Royal Mail Steam Packet Company ( B & NARMSPC ) with initial capital of £ 270, 000, later increased to £ 300, 000.

In 1850 The Packet was merged with another newspaper The North American, which later merged with the Philadelphia Public Ledger.

* Packet trace, a timestamped sequence of packets captured on a computer network with a sniffer or similar tools

* Packet erasure channel, where packets are lost with a certain packet loss probability or packet error rate

in A Poste with a Packet of Mad Letters ( 1603, enlarged 1637 ); the 19th letter of the second part contains a general complaint of many griefs, and proceeds as follows:

Of his twenty-two prose tracts may be mentioned Wit's Trenchmour ( 1597 ), The Wil of Wit ( 1599 ), A Poste with a Packet of Mad Letters ( 1602-6 ).

Packet ships were larger and yet sailed with fewer crew than vessels of earlier eras, in addition to the fact that they were expected on strict schedules.

Drop the PDU and send an Internet Control Message Protocol ( ICMP ) message which indicates the condition Packet too Big, or to fragment the IP packet and send it over the link with a smaller MTU.

It is a version of Nokia's 6600 smartphone for the North American market, featuring all the features of the 6600 such as the VGA camera, MultiMediaCard slot, Bluetooth and color screen, but with a change to the North American GSM frequencies, the doubling of internal RAM, the addition of Nokia's new Pop-Port connector, the inclusion of stereo sound, and a new EDGE capability, effectively giving it double the download speeds of current General Packet Radio Service ( GPRS ) equipped phones.

As a result, Hull was still unaware that war had broken out when he reached the rapids of the Maumee, and as the army was now on a navigable waterway, he sent the schooner Cuyahoga Packet ahead of the army to Detroit with a number of invalids, supplies, and official documents.

As GPS technology became more widely available, ' Position ' was replaced with ' Packet ' to better describe the more generic capabilities of the system and to emphasize its uses beyond mere position reporting.

) Concert was also aligned with another acquisition of BT, called Syncordia which was headquartered in Atlanta, Ga. Tymnet was then referred to as: The Packet network, the BT / MCI network and Concert Packet-switching Services ( CPS ).

It started its own shipping services from Gourock with a subsidiary company, the Caledonian Steam Packet Company in 1889.

In 1941, prototype Merchant Navy Class 21C1 Channel Packet travelled as far as Alresford after the naming ceremony at Southampton for a trial run with press and dignitaries.

The Legation of Poyais chartered a ship called Honduras Packet, whose crew MacGregor already knew, and five London merchants received contracts to provision the ship with food and ammunition.

Each of these packets is handled like a connection request, causing the server to spawn a half-open connection, by sending back a TCP / SYN-ACK packet ( Acknowledge ), and waiting for a packet in response from the sender address ( response to the ACK Packet ).

Packet sniffing collects data by sniffing the network traffic passing between the web server and the outside world.

Specifically, at speeds of OC-3 and above, the cost of segmentation and reassembly ( SAR ) hardware makes ATM less competitive for IP than Packet Over SONET ( POS ); because of its fixed 48-byte cell payload, ATM is not suitable as a data link layer directly underlying IP ( without the need for SAR at the data link level ) since the OSI layer on which IP operates must provide a maximum transmission unit ( MTU ) of at least 576 bytes.

Cellular Digital Packet Data ( CDPD ) was a wide-area mobile data service which used unused bandwidth normally used by AMPS mobile phones between 800 and 900 MHz to transfer data.

This was expanded over time to include data communications, first by circuit switched transport, then packet data transport via GPRS ( General Packet Radio Services ) and EDGE ( Enhanced Data rates for GSM Evolution or EGPRS ).

GPRS extends the GSM Packet circuit switched data capabilities and makes the following services possible:

That same year, a X. 25 Packet Switched data exchange was also installed.

Packet radio is a form of packet switching technology used to transmit digital data via radio or wireless communications links.

* The Packet radio multiple access ( PRMA ) method for combined circuit switched voice communication and packet data.

Packet switching is the process of segmenting a message / data to be transmitted into several smaller packets.

* Packet layer: This layer defined a packet-layer protocol for exchanging control and user data packets to form a packet-switching network based on virtual calls, according to the Packet Layer Protocol.

Packet switching is a digital networking communications method that groups all transmitted data – regardless of content, type, or structure – into suitably sized blocks, called packets.

Packet switching features delivery of variable-bit-rate data streams ( sequences of packets ) over a shared network.

Packet switching is used to optimize the use of the channel capacity available in digital telecommunication networks such as computer networks, to minimize the transmission latency ( the time it takes for data to pass across the network ), and to increase robustness of communication.

** Packet aggregation, joining multiple data packets for transmission as a single unit to increase network efficiency

Packet capture ( also sometimes referred to as “ packet sniffing ”) is the monitoring of data traffic on a computer network.

* Resilient Packet Ring ( also known as IEEE 802. 17 ), a standard designed for the optimized transport of data traffic over fiber rings

Deep Packet Inspection ( and filtering ) enables advanced network management, user service, and security functions as well as internet data mining, eavesdropping, and internet censorship.

* Packet segmentation, the process of dividing a data packet into smaller units for transmission over a data communications network.

* In A8 / A10 interfaces to encapsulate IP data to / from Packet Control Function ( PCF ).