WO2014156485A1 - グリーンネットワーク構築方法 - Google Patents
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- WO2014156485A1 WO2014156485A1 PCT/JP2014/055251 JP2014055251W WO2014156485A1 WO 2014156485 A1 WO2014156485 A1 WO 2014156485A1 JP 2014055251 W JP2014055251 W JP 2014055251W WO 2014156485 A1 WO2014156485 A1 WO 2014156485A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0833—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability for reduction of network energy consumption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/66—Layer 2 routing, e.g. in Ethernet based MAN's
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/70—Routing based on monitoring results
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
- H04L49/3009—Header conversion, routing tables or routing tags
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/22—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Definitions
- the present invention relates to a green network construction method in a Layer-2 network, and more particularly to a technology for constructing a green architecture for efficient power saving in a Layer-2 network.
- Patent Document 1 discloses a method for conserving power by concentrating processing on servers in a predetermined rack among a group of racks in a server room and stopping the power supply of a rack in which no servers are operating. Has been.
- Patent Document 2 discloses a method for reducing the power consumption of a network system by controlling the power supply of routers and switches that are redundant components of the network.
- the usage status of all devices (especially L2 switches) installed in the network is monitored, and depending on the usage status, the corresponding device is monitored. It is considered that a method for controlling the power supply is effective.
- An object of the present invention is to provide a technology for constructing a green architecture for efficient power saving in a Layer-2 network.
- the invention according to claim 1 is a green network construction method for constructing a green architecture for efficient power saving in a Layer-2 network, Collect all broadcast packets communicated in the network and extract packet information of ⁇ time stamp (TStamp), source MAC address (SMAC), source IP address (SIP), destination IP address (DIP) ⁇
- the invention according to claim 3 is the green network construction method according to claim 2,
- Each L2 switch includes a visualization process for displaying GMDMAcT information in which the port connection configuration of the L2 switch is changed in the green architecture construction process.
- the invention according to claim 4 is the green network construction method according to claim 3,
- the visualization process refers to the access history table (MAcT) generated in the access analysis process, analyzes a communication time zone between specific devices, and the time zone is longer than a preset threshold. In this case, the information of the L2 switch to which these devices are connected is displayed.
- MAcT access history table
- the communication state of each port of the L2 switch in a predetermined time zone that is, the communication frequency of the device connected to each port can be easily understood, and the L2 can be constructed to construct a green architecture. Switch port connection configuration is automatically changed. This enables efficient power saving in the Layer-2 network.
- the network administrator can easily change the port connection configuration of the L2 switch by referring to the change information of the port connection configuration of the L2 switch.
- an L2 switch that does not access all ports in a predetermined time zone can be identified, and the corresponding L2 switch can be turned off in that time zone. That is, it is possible to realize power saving in the network without using wasted power.
- the network administrator looks at the information of the L2 switch displayed when the communication time between the specific devices becomes longer than the threshold, and in the case of different L2 switches, It becomes clear that long-term communication is being performed via the L2 switch. For example, in order to reduce the communication load in the network, the connection configuration can be easily changed by connecting the device to the same L2 switch. It becomes possible to do.
- M1 network monitoring terminals S1 to S2 L2 switches N11 to N33 communication devices H1 to H2 server R1 router
- a green network construction method is an efficient method in a Layer-2 network by monitoring and analyzing communication between all devices installed in the Layer-2 network. This is a method for constructing a green architecture for power saving, and will be described with reference to the flowchart shown in FIG.
- all broadcast packets communicated in the Layer-2 network are collected ⁇ time stamp (TStamp), source MAC address (SMAC), The packet information of the source IP address (SIP) and destination IP address (DIP) ⁇ is extracted.
- TStamp time stamp
- SMAC source MAC address
- DIP destination IP address
- ARP ARP packet
- ⁇ MAC address (MAC), MAC based on ⁇ TStamp, SMAC, SIP ⁇ information from the packet information extracted in the packet collection process S01 Generate MAC-IP history table (MIPT) with IP address (IP) and latest time stamp (LastTimeStamp) ⁇ . That is, in this process S02, the latest time stamp (LastTimeStamp) is added to the correspondence table between the MAC address (MAC) and IP address (IP) of the device from the information of communication packets between the devices installed in the Layer-2 network.
- the added history table (MIPT) is created, and when a communication packet having the same MAC and IP appears thereafter, the time stamp (TStamp) information of the communication packet is overwritten in the LastTimeStamp.
- all the packet information extracted in the packet collection process S01 is ⁇ source MAC address (SMAC), Categorized in the category of destination MAC address (DMAC) ⁇ , and count the number of packets for each category for each time slot of a fixed interval ⁇ Time interval (TimePeriod), An access history table (MAcT) of a source MAC address (SMAC), a destination MAC address (DMAC), and an access count (Count) ⁇ is generated.
- the transmission destination MAC address (DMAC) can be obtained by referring to the MIPT from the transmission destination IP address (DIP) of the packet information extracted in the packet collection process S01.
- the predetermined time described above that is, the time interval (TimePeriod) of the access history table (MAcT) can be freely set in consideration of the network environment and the like.
- L2 switch port analysis process S04 for each L2 switch, a device connected to the port of the L2 switch is detected, and based on the information in the access history table (MAcT) generated in the access analysis process S03, a predetermined Analyzing the number of accesses of these devices in time ⁇ HourlyPeriod, An L2 switch state table (MDMAcT) of L2 switch port (Port), transmission destination MAC address (DMAC), access count (Count) ⁇ is generated.
- MDMAcT L2 switch state table of L2 switch port (Port), transmission destination MAC address (DMAC), access count (Count) ⁇
- the L2 switch status table (MDMAcT) generated for each L2 switch indicates the communication status of each port of the L2 switch in the predetermined time zone (HourlyPeriod), that is, the communication frequency of the device (DMAC) connected to each port become.
- the time zone (HourlyPeriod) can be set freely in consideration of the network environment and the like.
- the L2 switch with the smallest number of ports with access (1 ⁇ Count) is detected based on the MDMAcT information, and the device (DMAC) connected to the port with that access is detected. It shows that GMDMAcT in which the port connection configuration of MDMAcT is updated is generated by repeatedly performing the process of deleting from the MDMAcT and adding to the MDMAcT of another L2 switch.
- the packet collection process S01 collects all broadcast packets communicated in the Layer-2 network shown in FIG. 2, and the packet information ⁇ time stamp (TSt (TSt amp), source MAC address (SMAC), source IP address (SIP), destination IP address (DIP) ⁇ .
- TSt time stamp
- SMAC source MAC address
- SIP source IP address
- DIP destination IP address
- the packet information extracted in the time zone from 10:00:00 to 10:09:10 is shown.
- a broadcast packet is transmitted from the communication device N31 to the server H1 at the time of 10:00:00. It is shown that.
- the MAC-IP history generation process S02 uses ⁇ TS address, SMAC, SIP ⁇ information from the packet information based on ⁇ MAC address (MAC), A history table (MIPT) of IP address (IP) and latest time stamp (LastTimeStamp) ⁇ is generated.
- MIPT A history table of IP address
- LastTimeStamp latest time stamp
- ⁇ MAC-H1, IP-H1 ⁇ : Tstamp 10: 00: 10, 10:03:10, 10:06:10, 10:09:10 last information from 10:09:10 Set to LastTimeStamp.
- ⁇ MAC-N22, IP-N22 ⁇ : Information of Tstamp 10: 01: 30 is set in LastTimeStamp.
- ⁇ MAC-H2, IP-H2 ⁇ : The last 10:04:50 information is set in LastTimeStamp from the information of Tstamp 10: 01: 40, 10:04:50.
- the IP address of the communication device N31 is changed from IP-N31 to IP-N31-1, the above ⁇ MAC-N31, IP-N31 ⁇ LastTimeStamp is not updated.
- the IP address of the communication device N31 has been changed from IP-N31-1 to IP-N31, ⁇ MAC-N31, IP-N31 ⁇ LastTimeStamp is not updated.
- the access analysis process S03 classifies the packet information into ⁇ source MAC address (SMAC), destination MAC address (DMAC) ⁇ categories based on the MIPT information, and sets the number of packets for each category to 10 Count every minute time slot ⁇ time interval (TimePeriod), Source MAC An access history table (MAcT) of address (SMAC), destination MAC address (DMAC), access count (Count) ⁇ is generated.
- SMAC source MAC address
- DMAC destination MAC address
- Count access count
- the destination MAC address (DMAC) can be obtained by referring to the MIPT from the destination IP address (DIP) of the packet information.
- the number of accesses between N31 and H1 8 times
- the number of accesses between N22 and H2 2 times
- the L2 switch port analysis process S04 detects the devices connected to the L2 switch ports for each L2 switch, and based on the MAcT information shown in FIG. Analyzing ⁇ HourlyPeriod, An L2 switch state table (MDMAcT) of L2 switch port (Port), transmission destination MAC address (DMAC), access count (Count) ⁇ is generated.
- MDMAcT L2 switch state table
- DMAC transmission destination MAC address
- Counter access count
- the number of accesses of the communication device N33 connected to the port 4 in the time zone from 21:00:00 to 21:59:59 is 6 times, and the number of accesses of the other communication devices N31 and N32 : Indicates zero times.
- the green architecture construction process S05 deletes the DMAC of the device N33 connected to the port 4 to which the L2 switch S3 has access from the MDMAcT based on the information of the MDMAcT of the L2 switch S2 as shown in FIG. Then, by performing processing to be added to the MDMAcT of another L2 switch S2, a green L2 switch state table (GMDMAcT) in which the port connection configuration of the MDMAcT is updated is generated.
- GMDMAcT green L2 switch state table
- the DMAC of the communication device N33 is not set to the port 4 in the GMDMAcT of the L2 switch S3. Further, in the GMDMAcT of the L2 switch S2, the DMAC of the communication device N33 is set to the port 1 that is an empty port.
- the visualization process S06 displays the GMDMAcT information of S2 and S3 whose port connection configuration of the L2 switch has been changed. Based on this information, the network administrator can easily change the port connection configuration of the L2 switches S2 and S3, that is, remove the communication device N33 connected to the port 4 of the L2 switch S2 from the port, The communication device N33 can be connected to the port 1 that was an empty port of the L2 switch S2.
- Second Embodiment A green network construction method according to a second embodiment of the present invention will be described.
- the visualization process S06 will be described.
- the visualization process S06 refers to the access history table (MAcT) generated in the access analysis process, analyzes the communication time zone between specific devices, and the time zone becomes longer than a preset threshold The information of the L2 switch to which those devices are connected is displayed. That is, the visualization process S06 detects devices that have been communicating for a long time in the network, and displays information on the two L2 switches to which these devices are connected.
- MAcT access history table
- the network administrator can see the information of the above two L2 switches, and if they are different L2 switches, it will be understood that long-term communication is performed via the L2 switch. In order to reduce the communication load, it is possible to easily change the connection configuration by connecting the device to the same L2 switch.
- the number of accesses between N31 and H1 was 8 in the time zone from 10:00:00 to 10:09:59, but it continued in the subsequent time zone.
- the threshold of the access time zone between N31 and H1 If it is set to 15 minutes, the access between N31 and H1 is detected, and the L2 switch S3 to which N31 is connected and the L2 switch S1 to which H1 is connected are displayed.
- the network administrator can easily change the connection configuration by seeing this information, for example, by removing N31 from the L2 switch S3 and connecting it to the L2 switch S1. As a result, the communication load in the network is reduced, and power saving as a whole network can be expected.
- the present invention can be applied to a system for constructing a green architecture for efficient power saving in a Layer-2 network.
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Abstract
Description
ネットワーク内で通信される全てのブロードキャストパケットを収集して{タイムスタンプ(TStamp), 送信元MACアドレス(SMAC), 送信元IPアドレス(SIP), 送信先IPアドレス(DIP) }のパケット情報を抽出するパケット収集プロセスと、
前記パケット収集プロセスで抽出されたパケット情報から{TStamp, SMAC, SIP}の情報を基に{MACアドレス(MAC), IPアドレス(IP), 最新のタイムスタンプ(LastTimeStamp)}のMAC-IP履歴テーブル(MIPT)を生成するMAC-IP履歴生成プロセスと、
前記MAC-IP履歴生成プロセスで生成されたMIPTの情報を基に、前記パケット収集プロセスで抽出された全てのパケット情報を{送信元MACアドレス(SMAC),
送信先MACアドレス(DMAC)}のカテゴリに分類して、該カテゴリ毎のパケット数を一定間隔のタイムスロット毎にカウントして{時間間隔(TimePeriod),
送信元MACアドレス(SMAC), 送信先MACアドレス(DMAC), アクセス数(Count)}のアクセス履歴テーブル(MAcT)を生成するアクセス分析プロセスと、
L2スイッチ毎に、L2スイッチのポートに接続された装置を検出して、前記アクセス分析プロセスで生成されたMAcTの情報を基に、所定時間内におけるそれら装置のアクセス数を分析して{時間帯(HourlyPeriod),
L2スイッチポート(Port), 送信先MACアドレス(DMAC), アクセス数(Count)}のL2スイッチ状態テーブル(MDMAcT)を生成するL2スイッチポート分析プロセスと、
前記L2スイッチポート分析プロセスで生成されたMDMAcTの情報を基に、アクセスの有る(1≦Count)ポートを持つ特定のL2スイッチを抽出し、当該L2スイッチのアクセスの有るポートに接続されている装置(DMAC)を当該MDMAcTから削除し、別のL2スイッチのMDMAcTに追加する処理を行うことで、MDMAcTのポート接続構成が更新されたグリーンL2スイッチ状態テーブル(GMDMAcT)を生成するグリーンアーキテクチャ構築プロセスと、を有することを特徴とする。
前記グリーンアーキテクチャ構築プロセスは、前記L2スイッチポート分析プロセスで生成されたMDMAcTの情報を基に、アクセスの有る(1≦Count)ポート数が一番少ないL2スイッチを検出して、そのアクセスの有るポートに接続されている装置(DMAC)を当該MDMAcTから削除し、別のL2スイッチのMDMAcTに追加する処理を繰り返し行うことで、MDMAcTのポート接続構成が更新されたGMDMAcTを生成することを特徴とする。
L2スイッチ毎に、前記グリーンアーキテクチャ構築プロセスでL2スイッチのポート接続構成が変更されたGMDMAcTの情報を表示する可視化プロセスを有することを特徴とする。
前記可視化プロセスは、前記アクセス分析プロセスで生成されたアクセス履歴テーブル(MAcT)を参照して、特定の装置間の通信時間帯を分析し、その時間帯が予め設定された閾値よりも長くなった場合に、それらの装置が接続されているL2スイッチの情報を表示することを特徴とする。
S1~S2 L2スイッチ
N11~N33 通信装置
H1~H2 サーバ
R1 ルータ
本発明の第1実施形態に係るグリーンネットワーク構築方法は、Layer-2ネットワーク内に設置された全装置間の通信を監視・分析することにより、Layer-2ネットワーク内における効率的な省電力化を図るためのグリーンアーキテクチャを構築する方法であり、図1に示すフローチャートを用いて説明する。
送信元IPアドレス(SIP), 送信先IPアドレス(DIP) }のパケット情報を抽出する。ここで、Layer-2ネットワーク内で通信されるブロードキャストパケットとして、例えばIpv4プロトコルの場合にはARPパケットがある。
IPアドレス(IP), 最新のタイムスタンプ(LastTimeStamp)}のMAC-IP履歴テーブル(MIPT)を生成する。すなわち、このプロセスS02では、Layer-2ネットワーク内に設置された装置間の通信パケットの情報から、装置のMACアドレス(MAC)とIPアドレス(IP)の対応表に最新のタイムスタンプ(LastTimeStamp)を付加した履歴テーブル(MIPT)を作成し、その後同じMACとIPを持つ通信パケットが現れたら、その通信パケットのタイムスタンプ(TStamp)の情報をLastTimeStampに上書きする。
送信先MACアドレス(DMAC)}のカテゴリに分類して、該カテゴリ毎のパケット数を一定間隔のタイムスロット毎にカウントして{時間間隔(TimePeriod),
送信元MACアドレス(SMAC), 送信先MACアドレス(DMAC), アクセス数(Count)}のアクセス履歴テーブル(MAcT)を生成する。ここで、送信先MACアドレス(DMAC)については、パケット収集プロセスS01で抽出されたパケット情報の送信先IPアドレス(DIP)からMIPTを参照することにより求めることができる。
L2スイッチポート(Port), 送信先MACアドレス(DMAC), アクセス数(Count)}のL2スイッチ状態テーブル(MDMAcT)を生成する。
示す。
amp), 送信元MACアドレス(SMAC), 送信元IPアドレス(SIP), 送信先IPアドレス(DIP) }を抽出する。この例では、10:00:00~10:09:10の時間帯に抽出したパケット情報を示しており、例えば10:00:00の時刻に通信装置N31からサーバH1にブロードキャストパケットが送信されたことを示している。
IPアドレス(IP), 最新のタイムスタンプ(LastTimeStamp)}の履歴テーブル(MIPT)を生成する。
{MAC-N31, IP-N31}:Tstamp=10:00:00の情報がLastTimeStampに設定される。
{MAC-H1, IP-H1}:Tstamp=10:00:10, 10:03:10, 10:06:10, 10:09:10の情報の中から最後の10:09:10の情報がLastTimeStampに設定される。
{MAC-N22, IP-N22}:Tstamp=10:01:30の情報がLastTimeStampに設定される。
{MAC-H2, IP-H2}:Tstamp=10:01:40, 10:04:50の情報の中から最後の10:04:50の情報がLastTimeStampに設定される。
{MAC-N31, IP-N31-1}:Tstamp=10:03:00, 10:06:00のの中から最後の10:06:00の情報がLastTimeStampに設定される。ここでは通信装置N31のIPアドレスがIP-N31からIP-N31-1に変更されているため、上記{MAC-N31,
IP-N31}のLastTimeStampは更新されない。
{MAC-N11, IP-N11}:Tstamp=10:04:40の情報がLastTimeStampに設定される。
{MAC-N31, IP-N31}:Tstamp=10:09:00の情報がLastTimeStampに設定される。ここでは通信装置N31のIPアドレスがIP-N31-1からIP-N31に変更されているため、上記{MAC-N31,
IP-N31}のLastTimeStampは更新されない。
送信元MAC
アドレス(SMAC), 送信先MACアドレス(DMAC), アクセス数(Count)}のアクセス履歴テーブル(MAcT)を生成する。ここで、送信先MACアドレス(DMAC)については、パケット情報の送信先IPアドレス(DIP)からMIPTを参照することにより求めることができる。
L2スイッチポート(Port), 送信先MACアドレス(DMAC), アクセス数(Count)}のL2スイッチ状態テーブル(MDMAcT)を生成する。L2スイッチS3のMDMAcTの例を図4に示す。
本発明の第2実施形態に係るグリーンネットワーク構築方法について説明する。第2実施形態では、第1実施形態で説明したプロセスS01~S05については同じであるので、可視化プロセスS06について説明する。
Claims (4)
- Layer-2ネットワーク内における効率的な省電力化を図るためのグリーンアーキテクチャを構築するグリーンネットワーク構築方法であって、
ネットワーク内で通信される全てのブロードキャストパケットを収集して{タイムスタ
ンプ(TStamp), 送信元MACアドレス(SMAC), 送信元IPアドレス(SIP), 送信先IPアドレス(DIP) }のパケット情報を抽出するパケット収集プロセスと、
前記パケット収集プロセスで抽出されたパケット情報から{TStamp, SMAC, SIP}の情報を基に{MACアドレス(MAC), IPアドレス(IP), 最新のタイムスタンプ(LastTimeStamp)}のMAC-IP履歴テーブル(MIPT)を生成するMAC-IP履歴生成プロセスと、
前記MAC-IP履歴生成プロセスで生成されたMIPTの情報を基に、前記パケット収集プロセスで抽出された全てのパケット情報を{送信元MACアドレス(SMAC),
送信先MACアドレス(DMAC)}のカテゴリに分類して、該カテゴリ毎のパケット数を一定間隔のタイムスロット毎にカウントして{時間間隔(TimePeriod),
送信元MACアドレス(SMAC), 送信先MACアドレス(DMAC), アクセス数(Count)}のアクセス履歴テーブル(MAcT)を生成するアクセス分析プロセスと、
L2スイッチ毎に、L2スイッチのポートに接続された装置を検出して、前記アクセス分析プロセスで生成されたMAcTの情報を基に、所定時間内におけるそれら装置のアクセス数を分析して{時間帯(HourlyPeriod),
L2スイッチポート(Port), 送信先MACアドレス(DMAC), アクセス数(Count)}のL2スイッチ状態テーブル(MDMAcT)を生成するL2スイッチポート分析プロセスと、
前記L2スイッチポート分析プロセスで生成されたMDMAcTの情報を基に、アクセスの有る(1≦Count)ポートを持つ特定のL2スイッチを抽出し、当該L2スイッチのアクセスの有るポートに接続されている装置(DMAC)を当該MDMAcTから削除し、別のL2スイッチのMDMAcTに追加する処理を行うことで、MDMAcTのポート接続構成が更新されたグリーンL2スイッチ状態テーブル(GMDMAcT)を生成するグリーンアーキテクチャ構築プロセスと、
を有することを特徴とするグリーンネットワーク構築方法。 - 前記グリーンアーキテクチャ構築プロセスは、前記L2スイッチポート分析プロセスで生成されたMDMAcTの情報を基に、アクセスの有る(1≦Count)ポート数が一番少ないL2スイッチを検出して、そのアクセスの有るポートに接続されている装置(DMAC)を当該MDMAcTから削除し、別のL2スイッチのMDMAcTに追加する処理を繰り返し行うことで、MDMAcTのポート接続構成が更新されたGMDMAcTを生成することを特徴とする請求項1に記載のグリーンネットワーク構築方法。
- L2スイッチ毎に、前記グリーンアーキテクチャ構築プロセスでL2スイッチのポート接続構成が変更されたGMDMAcTの情報を表示する可視化プロセスを有することを特徴とする請求項2に記載のグリーンネットワーク構築方法。
- 前記可視化プロセスは、前記アクセス分析プロセスで生成されたアクセス履歴テーブル(MAcT)を参照して、特定の装置間の通信時間帯を分析し、その時間帯が予め設定された閾値よりも長くなった場合に、それらの装置が接続されているL2スイッチの情報を表示することを特徴とする請求項3に記載のグリーンネットワーク構築方法。
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