Method for realizing variable-length stacked head in stack system and device thereof
A stacking system and stacking device technology, applied in the field of network communication, can solve problems such as inability to expand, occupy chip bandwidth, and insufficient stacking head information, and achieve the effects of easy implementation, low line bandwidth occupation, and strong scalability
Active Publication Date: 2017-03-22
SUZHOU CENTEC COMM CO LTD
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Problems solved by technology
However, in the existing solution, the length of the stacking header is fixed, which brings two problems: first, when there is too much stacking header information, it will occupy additional bandwidth between chips; second, when the stacking header information is insufficient, it cannot be expanded
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[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.
[0030] combine figure 1 As shown, a method for realizing a variable-length stacking head in a stacking system disclosed in the present invention, the method includes the following steps:
[0031] S1, search for the content of the message to be forwarded, and obtain the message information that needs to be encoded into the stack header;
[0032] S2, classifying and analyzing the obtained message information that needs to be coded into the stack head, and obtaining basic information and extended information;
[0033] S3, re-encoding the basic information and the extended information to obtain the basic header and the extended header;
[0034] S4, combining the obtained basic header and extended header into a stack header and encapsulating the original packet.
[0035] Specifically, w...
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The invention discloses a method for realizing variable-length stacked head in a stack system and a device thereof. The system comprises multiple stack devices which are connected through an internal stack port. The method comprises a step of searching the content of message to be forwarded, and obtaining the message information which needs to be encoded into the stacked head, a step of classifying and analyzing the message information which needs to be encoded into the stacked head, and obtaining basic information and extension information, a step of encoding the basic information and extension information again, obtaining a basic head and an extension head, and a step of combining the obtained basic head and extension head to form the stacked head and packaging the stacked head and an original message. The method has strong expansibility and the fixed length of the basic head, and the additional overhead caused by the stacked head in a basic scene can be reduced.
Description
technical field [0001] The invention relates to the technical field of network communication, in particular to a message cross-chip forwarding method and switch equipment in a stacking system. Background technique [0002] In order to make switches meet the port quantity requirements of large-scale networks, switch stacking is generally used in large-scale networks to solve the problem. It should be noted that only stackable switches have this kind of port. The so-called stackable switch means that a switch generally has both UP and DOWN stacking ports. When multiple switches are connected together, they act like a modular switch, and the stacked switches can be managed as a unit device. Generally, when multiple switches are stacked, there is a manageable switch, and other independent switches in the stackable switch can be managed by using the manageable switch. The stackable switches can easily realize network expansion, and all the switches in the stack can be managed a...
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IPC IPC(8): H04L12/931H04L12/701H04L29/06
CPCH04L45/00H04L49/10H04L69/22H04L2212/00
Inventor方沛昱周伟杨曙军
OwnerSUZHOU CENTEC COMM CO LTD