Device and method for chip implementation supporting ecmp on data center tor
A data center and implementation method technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of occupying large table items, increasing costs, etc., and achieve the effect of reducing hardware table items
Active Publication Date: 2018-08-10
SUZHOU CENTEC COMM CO LTD
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Problems solved by technology
To deploy a large number of ECMP on the ToR of the data center, it needs to occupy a large number of entries and increase the cost
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[0027] If 1K virtual channels are deployed on a ToR, and each virtual channel has 8 ECMP members, and assuming half of the virtual channels have the same ECMP egress, a total of 1K entries of IP address entries (DsIpda) need to be deployed, 0.5 K Ecmp group entries (DsEcmpGroup), 4K Ecmp member entries (DsEcmpMember), and 1K edit information entries (DsEdit), which greatly saves the cost of ECMP entries, in other words, more Virtual channels support ECMP.
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The present invention discloses a chip implementation device and method supporting ECMP on the ToR of the data center, which is realized by optimizing the table item index relationship of ECMP on the virtual channel of the ToR of the data center. The device includes a destination IP address table item, an ECMP group Table entry, ECMP member entry, egress entry, and editing information entry. Each virtual channel on the data center ToR is configured with one ECMP group entry, one IP address entry corresponding to one ECMP group entry, and one ECMP The group entry corresponds to multiple ECMP member entries, one IP address entry configures one ECMP member editing information entry, and ECMP member entries with the same egress share one egress entry. The invention can effectively reduce the ECMP hardware entries on the ToR, reduce the cost of the entries, and support the large-scale ECMP requirements of the data center.
Description
technical field [0001] The invention relates to an ECMP chip implementation technology, in particular to a chip implementation device and method supporting ECMP on a data center ToR. Background technique [0002] Cloud computing has become a common form of current enterprise IT construction, and virtual machines widely adopted and deployed in cloud computing have almost become a basic technical model. The extensive deployment of server virtualization technology has greatly increased the computing density of the data center. Moreover, because the virtual machine itself is not restricted by the physical computing environment, it needs to be migrated to the destination in the network without restriction based on the flexible change requirements of the business. The physical location, the rapidity of virtual machine growth, and virtual machine migration have become a normal business. In this way, the network requirements of the data center are getting higher and higher, mainly ...
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IPC IPC(8): H04L12/701H04L12/707H04L45/24
CPCH04L45/00H04L45/24
Inventor 何志川周杰赵茂聪
Owner SUZHOU CENTEC COMM CO LTD
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