Point-to-Point Networks - Revision history

Stewadr at 03:55, 14 April 2008

2008-04-14T03:55:36Z

← Older revision		Revision as of 03:55, 14 April 2008
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	==External Links==		==External Links==
	''Point-to-Point Protocol''. [http://www.cisco.com/en/US/docs/internetworking/technology/handbook/PPP.pdf]		''Point-to-Point Protocol''. [http://www.cisco.com/en/US/docs/internetworking/technology/handbook/PPP.pdf]
		+
		+	----
		+
	--[[User:Stewadr\|Stewadr]] 23:54, 13 April 2008 (EDT)		--[[User:Stewadr\|Stewadr]] 23:54, 13 April 2008 (EDT)

Stewadr at 03:54, 14 April 2008

2008-04-14T03:54:37Z

← Older revision		Revision as of 03:54, 14 April 2008
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-	Point-to-Point Networks are used around the world to provide fast, secure, and reliable communication. A point-to-point network refers to a connection between exactly 2 machines, or networks. Because there is exactly one possible destination over ~~a point-to-point~~ network, network and hardware addresses are not needed.	+	Point-to-Point Networks are used around the world to provide fast, secure, and reliable communication. A point-to-point network refers to a connection between exactly 2 machines, or networks. Because there is exactly one possible destination over this type of network, network and hardware addresses are not needed.


	== Benefits ==		== Benefits ==
-	Point-to-Point networks offer several advantages over ~~share~~ networks. Since there is only one destination, the possibility of data being intercepted, is greatly reduced. There is also less network congestion, meaning a more consistent connection speed. ~~Less~~ network configuration is required to set it up~~. And~~ many transmission speeds are available: from 64kbps to 2.048Mbps (E1).	+	Point-to-Point networks offer several advantages over shared networks. Since there is only one destination, the possibility of data being intercepted, or of receiving data from an unknown source is greatly reduced. There is also less network congestion, meaning a more consistent connection speed. Also, less network configuration is required to set it up, and many transmission speeds are available: from 64kbps to 2.048Mbps (E1).


		+	== Point-to-Point Protocol (PPP) ==


		+	PPP is the protocol used for communication over a point-to-point link. It does this by transporting datagrams from a predetermined network protocol. The connection passes through four stages. Starting with a link establishment stage, the two parties use LCP (link control protocol) datagrams to ensure a connection is up and running. After which they can enter the configuration stage to negotiate the parameters of the PPP frames that will be sent back and forth. Once the initial parameters are set the connection enters the monitoring stage, which regularly tests the connection to make sure it is running smoothly. A typical point-to-point connection is always on, but a user may choose to terminate the link at any time. This is done using LCP, and is known as the link termination stage.

-	~~== Point-to-Point Protocol (PPP) ==~~

		+	== PPP Frame ==

-	PPP is the protocol used for communication over a point-to-point link. It does this by transporting datagrams from a predetermined network protocol across the link. The connection passes through four stages starting with a link establishment stage where the two parties use LCP (link control protocol) datagrams to ensure a connection is up and running. After which they can enter the configuration stage to negotiate the parameters of the PPP frames that will be sent back and forth over the connection. Once the initial parameters are set the connection enters the monitoring stage, which regularly tests the connection to make sure it is running smoothly. A typical point-to-point connection is always on, but a user may choose to terminate the link at any time. This is done using LCP.

		+	The PPP frame is divided into six sections:

-	== ~~PPP Frame~~ ==	+	====Flag====
		+	The flag byte is used to indicate the beginning or end of a frame.

		+	====Address====
		+	Because there is only one destination in a point-to-point network this byte is usually set to the value 11111111, which is known as the broadcast address. This value is ignored by PPP, however it may be assigned a value to add clarity.

-	~~The layout of a standard PPP~~ frame:	+	====Control====
		+	One byte in length. It tells the destination what to do with the packet once the frame has been received.

-	~~\|---\|---\|---\|---\|---\|---\|~~	+	====Protocol====
-	~~\| i \| ii\|iii\| iv\| v \| vi\|~~	+	This field is two bytes, and these bytes are used to identify the transmission protocol(TCP for instance) used in the data field.
-	~~\|---\|---\|---\|---\|---\|---\|~~	+
-		+
-	~~i.Flag~~ (~~1 byte~~)	+
-	~~The flag byte is~~ used ~~to indicate~~ the ~~beginning or end of a frame~~.	+

-	~~ii. Address(1 byte)~~	+	====Data====
-	~~Because there is only one destination in~~ a ~~point-to-point network this byte is usually set to the value 11111111 known as the broadcast address. This value is ignored by PPP~~, ~~however it may be assigned~~ a ~~value for clarity~~.	+	The data field can have a variable length, and contains a datagram of the protocol specified in the protocol field.

-	~~iii. Control (1 byte)~~	+	====Frame Check Sequence====
-	~~Tells~~ the ~~destination what~~ to ~~do with~~ the ~~packet once~~ the ~~frame has been received~~.	+	PPP reserves the last 2 bytes of the frame to make it easier to locate the end of the data field. It can also be 4 bytes if necessary to help improve error checking.

-	~~iv. Protocol (2 bytes)~~	+	==References==
-	~~These bytes are used to identify the transmission protocol(~~TCP ~~for instance) used in the data field~~.	+	Comer, Douglas E. ''Internetworking with TCP/IP Principles, Protocols, and Architecture''. vol 1.Fifth Edition. Toronto, Canada: Pearson, 2006.

-	~~v. Data~~	+	==See also==
-	~~The data field can have a variable length, and contains a datagram of the specified protocol in the protocol field.~~	+

-	~~vi. Frame Check Sequence~~	+	==External Links==
-	~~Reserves the last 2 bytes of the frame~~ to ~~make it easier to locate it~~'~~s end~~. ~~It can also be 4 bytes if necessary to help improve error checking~~.	+	''Point-to-Point Protocol''. [http://www.cisco.com/en/US/docs/internetworking/technology/handbook/PPP.pdf]
		+	--[[User:Stewadr\|Stewadr]] 23:54, 13 April 2008 (EDT)

Stewadr at 03:27, 14 April 2008

2008-04-14T03:27:06Z

← Older revision		Revision as of 03:27, 14 April 2008
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-	~~== Introduction ==~~	+	Point-to-Point Networks are used around the world to provide fast, secure, and reliable communication. A point-to-point network refers to a connection between exactly 2 machines, or networks. Because there is exactly one possible destination over a point-to-point network, network and hardware addresses are not needed.


-	Point-to-Point ~~Networks are used around~~ the ~~world to provide fast~~, ~~secure~~, ~~and reliable communication~~.	+	== Benefits ==
		+	Point-to-Point networks offer several advantages over share networks. Since there is only one destination, the possibility of data being intercepted, is greatly reduced. There is also less network congestion, meaning a more consistent connection speed. Less network configuration is required to set it up. And many transmission speeds are available: from 64kbps to 2.048Mbps (E1).



-	Point-to-Point Protocol (PPP)	+
		+
		+	== Point-to-Point Protocol (PPP) ==
		+

	PPP is the protocol used for communication over a point-to-point link. It does this by transporting datagrams from a predetermined network protocol across the link. The connection passes through four stages starting with a link establishment stage where the two parties use LCP (link control protocol) datagrams to ensure a connection is up and running. After which they can enter the configuration stage to negotiate the parameters of the PPP frames that will be sent back and forth over the connection. Once the initial parameters are set the connection enters the monitoring stage, which regularly tests the connection to make sure it is running smoothly. A typical point-to-point connection is always on, but a user may choose to terminate the link at any time. This is done using LCP.		PPP is the protocol used for communication over a point-to-point link. It does this by transporting datagrams from a predetermined network protocol across the link. The connection passes through four stages starting with a link establishment stage where the two parties use LCP (link control protocol) datagrams to ensure a connection is up and running. After which they can enter the configuration stage to negotiate the parameters of the PPP frames that will be sent back and forth over the connection. Once the initial parameters are set the connection enters the monitoring stage, which regularly tests the connection to make sure it is running smoothly. A typical point-to-point connection is always on, but a user may choose to terminate the link at any time. This is done using LCP.

-	PPP Frame	+
		+	== PPP Frame ==
		+

	The layout of a standard PPP frame:		The layout of a standard PPP frame:

Stewadr at 03:12, 14 April 2008

2008-04-14T03:12:37Z

← Older revision		Revision as of 03:12, 14 April 2008
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	Point-to-Point Protocol (PPP)		Point-to-Point Protocol (PPP)

-	PPP is the protocol used for communication over a point-to-point link. It does this by transporting datagrams from a predetermined network protocol across the link. The connection passes through four stages starting with a link establishment stage where the two parties use LCP (link control protocol) datagrams to ensure a connection is up and running. After which they can enter the configuration stage to negotiate the parameters of the PPP frames that will be sent back and forth over the connection. Once the initial parameters are set the connection enters the monitoring stage, which ~~regulary~~ tests the connection to make sure it is running smoothly. A typical point-to-point connection is always on, but a user may choose to terminate the link at any time. This is done using LCP.	+	PPP is the protocol used for communication over a point-to-point link. It does this by transporting datagrams from a predetermined network protocol across the link. The connection passes through four stages starting with a link establishment stage where the two parties use LCP (link control protocol) datagrams to ensure a connection is up and running. After which they can enter the configuration stage to negotiate the parameters of the PPP frames that will be sent back and forth over the connection. Once the initial parameters are set the connection enters the monitoring stage, which regularly tests the connection to make sure it is running smoothly. A typical point-to-point connection is always on, but a user may choose to terminate the link at any time. This is done using LCP.

	PPP Frame		PPP Frame
Line 24:		Line 24:
	Because there is only one destination in a point-to-point network this byte is usually set to the value 11111111 known as the broadcast address. This value is ignored by PPP, however it may be assigned a value for clarity.		Because there is only one destination in a point-to-point network this byte is usually set to the value 11111111 known as the broadcast address. This value is ignored by PPP, however it may be assigned a value for clarity.

-	iii. Control	+	iii. Control (1 byte)
		+	Tells the destination what to do with the packet once the frame has been received.
		+
		+	iv. Protocol (2 bytes)
		+	These bytes are used to identify the transmission protocol(TCP for instance) used in the data field.
		+
		+	v. Data
		+	The data field can have a variable length, and contains a datagram of the specified protocol in the protocol field.
		+
		+	vi. Frame Check Sequence
		+	Reserves the last 2 bytes of the frame to make it easier to locate it's end. It can also be 4 bytes if necessary to help improve error checking.

Stewadr at 03:04, 14 April 2008

2008-04-14T03:04:18Z

← Older revision		Revision as of 03:04, 14 April 2008
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	Point-to-Point Networks are used around the world to provide fast, secure, and reliable communication.		Point-to-Point Networks are used around the world to provide fast, secure, and reliable communication.
		+
		+
		+
		+	Point-to-Point Protocol (PPP)
		+
		+	PPP is the protocol used for communication over a point-to-point link. It does this by transporting datagrams from a predetermined network protocol across the link. The connection passes through four stages starting with a link establishment stage where the two parties use LCP (link control protocol) datagrams to ensure a connection is up and running. After which they can enter the configuration stage to negotiate the parameters of the PPP frames that will be sent back and forth over the connection. Once the initial parameters are set the connection enters the monitoring stage, which regulary tests the connection to make sure it is running smoothly. A typical point-to-point connection is always on, but a user may choose to terminate the link at any time. This is done using LCP.
		+
		+	PPP Frame
		+
		+	The layout of a standard PPP frame:
		+
		+	\|---\|---\|---\|---\|---\|---\|
		+	\| i \| ii\|iii\| iv\| v \| vi\|
		+	\|---\|---\|---\|---\|---\|---\|
		+
		+	i.Flag (1 byte)
		+	The flag byte is used to indicate the beginning or end of a frame.
		+
		+	ii. Address(1 byte)
		+	Because there is only one destination in a point-to-point network this byte is usually set to the value 11111111 known as the broadcast address. This value is ignored by PPP, however it may be assigned a value for clarity.
		+
		+	iii. Control

Stewadr: New page: == Introduction == Point-to-Point Networks are used around the world to provide fast, secure, and reliable communication.

2008-04-14T02:26:49Z

New page: == Introduction == Point-to-Point Networks are used around the world to provide fast, secure, and reliable communication.

New page

== Introduction ==

Point-to-Point Networks are used around the world to provide fast, secure, and reliable communication.