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<!--To view this file, download free mind mapping software Freeplane from http://freeplane.sourceforge.net -->
<node TEXT="Amazon Virtual Private Cloud (VPC)" ID="ID_1723255651" CREATED="1283093380553" MODIFIED="1493813429863"><hook NAME="MapStyle">

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<node TEXT="Networking Layer of EC2" POSITION="right" ID="ID_973653775" CREATED="1493813384296" MODIFIED="1493813399329">
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<node TEXT="Logically Isolated Virtual Network" POSITION="right" ID="ID_842658587" CREATED="1493813551611" MODIFIED="1494423734407">
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<node TEXT="Can span multiple AZs" ID="ID_931427179" CREATED="1493910369432" MODIFIED="1494512410910"/>
<node TEXT="Largest IP address range /16" ID="ID_574506905" CREATED="1493919918272" MODIFIED="1494423847985"/>
<node TEXT="Traffic monitored with VPC Flow Logs" ID="ID_252821029" CREATED="1493910510724" MODIFIED="1494423862863"/>
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<node TEXT="1 Default VPC Per Account Per Region" POSITION="right" ID="ID_1264049267" CREATED="1493909601072" MODIFIED="1494423784576">
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<node TEXT="5 VPCs Per Account Per Region" ID="ID_364253952" CREATED="1493907942492" MODIFIED="1493910494547"/>
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<node TEXT="Key Components" POSITION="right" ID="ID_971926746" CREATED="1493813216304" MODIFIED="1494424030133">
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<node TEXT="Subnets" ID="ID_1528072364" CREATED="1493649426483" MODIFIED="1494424470024">
<node TEXT="Container for AWS resources" ID="ID_1140794614" CREATED="1493832897086" MODIFIED="1493832914770"/>
<node TEXT="Segment of IP range in a VPC" ID="ID_954113413" CREATED="1493832847020" MODIFIED="1493832870058">
<node TEXT="Defined by CIDR blocks" ID="ID_1591767390" CREATED="1493832958821" MODIFIED="1494424177605">
<node TEXT="Smallest subnet contains 16 IP address with /28" ID="ID_281663301" CREATED="1493832994535" MODIFIED="1493833015414"/>
<node TEXT="AWS reserves first 4 and last 1 IP addresses" ID="ID_1078045845" CREATED="1493833029097" MODIFIED="1494424177605"/>
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<node TEXT="1 or more subnets in each AZ" ID="ID_1932562825" CREATED="1493833103099" MODIFIED="1494424676761">
<node TEXT="1 default subnet created for each AZ in default VPC" ID="ID_130808995" CREATED="1493910021793" MODIFIED="1493910092664"/>
<node TEXT="1 subnet to 1 AZ - cannot span AZ" ID="ID_1762025302" CREATED="1493833121546" MODIFIED="1494424894990"/>
<node TEXT="200 subnets per VPC" ID="ID_86782280" CREATED="1493908006441" MODIFIED="1493919961016"/>
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<node TEXT="Public" ID="ID_198505485" CREATED="1493813598159" MODIFIED="1494518901458">
<node TEXT="Route table directs traffic to IGW" ID="ID_636044611" CREATED="1493813662117" MODIFIED="1494518901458"/>
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<node TEXT="Private" ID="ID_1569844255" CREATED="1493813606412" MODIFIED="1494519105686">
<node TEXT="Route table does not direct traffic to IGW" ID="ID_627251454" CREATED="1493813736350" MODIFIED="1494519105685"/>
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<node TEXT="VPN-only" ID="ID_926014988" CREATED="1493813611071" MODIFIED="1493813618183">
<node TEXT="Route table directs traffic to VPG and no route to IGW" ID="ID_714227969" CREATED="1493813778964" MODIFIED="1493813831157"/>
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<node TEXT="Route Tables" ID="ID_1443877056" CREATED="1493649436561" MODIFIED="1493813228465">
<node TEXT="Allow EC2 instances from different subnets within a VPC to communicate with each other" ID="ID_880354157" CREATED="1493834793980" MODIFIED="1493911146075"/>
<node TEXT="Each subnet must be associated with a route table" ID="ID_391397070" CREATED="1493835327732" MODIFIED="1493835337743"/>
<node TEXT="Each VPC has an implicit router" ID="ID_1718261820" CREATED="1493835204942" MODIFIED="1494429471136">
<node TEXT="Comes w/ a main modifiable route table" ID="ID_390211569" CREATED="1493835227048" MODIFIED="1494429492562"/>
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<node TEXT="Custom route tables can be added" ID="ID_22672026" CREATED="1493814051724" MODIFIED="1494429401937"/>
<node TEXT="Contains a non-modifiable and non-removable local route to enable communications within a VPC" ID="ID_1237870087" CREATED="1493813883259" MODIFIED="1494429547191"/>
<node TEXT="Routes determine if associated subnet is public, private, or VPN-only" ID="ID_1039074651" CREATED="1493833451730" MODIFIED="1493835179591"/>
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<node TEXT="Dynamic Host Configuration Protocol (DHCP) Option Sets" ID="ID_876871437" CREATED="1493649455321" MODIFIED="1493909653276">
<node TEXT="Default DHCP option set automatically created for a VPC" ID="ID_1959499151" CREATED="1493838285850" MODIFIED="1493839204482">
<node TEXT="Each VPC can only have 1 DHCP option set assigned" ID="ID_132515277" CREATED="1493838386357" MODIFIED="1493839453299"/>
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<node TEXT="Can create custom DHCP option set" ID="ID_759153816" CREATED="1493838322949" MODIFIED="1494429782742">
<node TEXT="Allow assign your own domain name to instances" ID="ID_4991336" CREATED="1493816044647" MODIFIED="1493839581690"/>
<node TEXT="Up to 4 domain name servers" ID="ID_1739161357" CREATED="1493839240466" MODIFIED="1493839294581"/>
<node TEXT="domain-name" ID="ID_1154790746" CREATED="1493839295999" MODIFIED="1493839344321"/>
<node TEXT="ntp-servers" ID="ID_26761718" CREATED="1493839315698" MODIFIED="1494429782742"/>
<node TEXT="netbios-name-servers" ID="ID_1542689552" CREATED="1493839325045" MODIFIED="1493839334855"/>
<node TEXT="netbios-node-type set to 2" ID="ID_1041158945" CREATED="1493839351772" MODIFIED="1493839362662"/>
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<node TEXT="Security Group" ID="ID_833243713" CREATED="1493649517047" MODIFIED="1493813251851">
<node TEXT="Required for EC2 instances" ID="ID_1400033596" CREATED="1493817562500" MODIFIED="1494429861372"/>
<node TEXT="Virtual stateful firewall at instance level" ID="ID_785915834" CREATED="1493817491839" MODIFIED="1494429873025"/>
<node TEXT="Default security group" ID="ID_651117020" CREATED="1493817596720" MODIFIED="1493842957686">
<node TEXT="Allows all instances associated to communicate with each other" ID="ID_845863967" CREATED="1493842962991" MODIFIED="1493842988441"/>
<node TEXT="Allows all outbound traffic" ID="ID_1103300045" CREATED="1493817695043" MODIFIED="1493842981705"/>
<node TEXT="Denies all other traffic" ID="ID_149297943" CREATED="1493843027667" MODIFIED="1493843033043"/>
<node TEXT="Can be modified but cannot be deleted" ID="ID_1355133558" CREATED="1493817713022" MODIFIED="1493843001403"/>
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<node TEXT="Custom security group" ID="ID_425907492" CREATED="1493844481992" MODIFIED="1493844488128">
<node TEXT="Instances associated with the same security group cannot talk to each other by default" ID="ID_517372404" CREATED="1493843562288" MODIFIED="1493843585572"/>
<node TEXT="Allow all outbound traffic by default" ID="ID_1719739955" CREATED="1493843455424" MODIFIED="1494430025125"/>
<node TEXT="Allow no inbound traffic by default" ID="ID_82379839" CREATED="1493843430483" MODIFIED="1494430044784"/>
<node TEXT="Can only specify allow rules, not deny rules" ID="ID_1123034432" CREATED="1493843363555" MODIFIED="1493843392825"/>
<node TEXT="Separate rules for inbound and outbound traffic" ID="ID_1868020547" CREATED="1493843393393" MODIFIED="1493843406645"/>
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<node TEXT="Changes to security group take effect immediately" ID="ID_1903632987" CREATED="1493843318846" MODIFIED="1494430163283"/>
<node TEXT="Evaluate all rules before deciding to allow traffic" ID="ID_915635500" CREATED="1493844615963" MODIFIED="1493844637775"/>
<node TEXT="Limits" ID="ID_1426039638" CREATED="1493844549959" MODIFIED="1493844553195">
<node TEXT="Up to 500 security groups can be created per VPC" ID="ID_537007289" CREATED="1493843088383" MODIFIED="1493843103480"/>
<node TEXT="Up to 50 inbound and 50 outbound rules per security group" ID="ID_662599424" CREATED="1493843123724" MODIFIED="1493843142339"/>
<node TEXT="Up to 5 security groups can be associated with each network interface" ID="ID_447738495" CREATED="1493843275201" MODIFIED="1493843299877"/>
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<node TEXT="Network Access Control Lists (ACLs)" ID="ID_1888739468" CREATED="1493649523590" MODIFIED="1493813293560">
<node TEXT="A layer of security at subnet level" ID="ID_1336773576" CREATED="1493818725865" MODIFIED="1493844347188"/>
<node TEXT="A stateless firewall on a subnet level" ID="ID_1125887190" CREATED="1493818740519" MODIFIED="1493818753746"/>
<node TEXT="VPC created with a modifiable default ACL" ID="ID_1915467934" CREATED="1493819047646" MODIFIED="1494520061053">
<node TEXT="Default ACL is associated with every subnet" ID="ID_365440943" CREATED="1493818860157" MODIFIED="1494520061052">
<node TEXT="Allows all inbound and outbound traffic" ID="ID_1378497557" CREATED="1493818905703" MODIFIED="1493844103475"/>
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<node TEXT="Custom ACL can be created" ID="ID_509840016" CREATED="1493819147285" MODIFIED="1494430462056">
<node TEXT="Denies all inbound and outbound traffic by default" ID="ID_111799815" CREATED="1493819159781" MODIFIED="1493844080709"/>
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<node TEXT="Process rules in increasing number order when deciding to allow traffic" ID="ID_1309555445" CREATED="1493844651743" MODIFIED="1493865361898"/>
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<node TEXT="Optional Components" POSITION="right" ID="ID_1075399104" CREATED="1493813307255" MODIFIED="1493813314057">
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<node TEXT="Internet Gateways (IGW)" ID="ID_1390556090" CREATED="1493649446339" MODIFIED="1493833254814">
<node TEXT="Allows traffic between instances and internet" ID="ID_1130472683" CREATED="1493815635781" MODIFIED="1493815691281"/>
<node TEXT="Horizontally scaled, HA" ID="ID_1708706882" CREATED="1493815692016" MODIFIED="1494430895722">
<node TEXT="Fully redundant with no bandwidth constraints" ID="ID_589748333" CREATED="1493815766883" MODIFIED="1493815881210"/>
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<node TEXT="1 IGW per VPC" ID="ID_1087230582" CREATED="1493906737265" MODIFIED="1493908135150"/>
<node TEXT="A target in route table" ID="ID_1302090088" CREATED="1493815796866" MODIFIED="1493815819189"/>
<node TEXT="Network address translation for instances with public IP" ID="ID_1471957255" CREATED="1493815819717" MODIFIED="1494430991401"/>
<node TEXT="Used to create public subnet" ID="ID_1166180760" CREATED="1493836971686" MODIFIED="1493836978597">
<node TEXT="Attach IGW to a VPC" ID="ID_1768987995" CREATED="1493836985316" MODIFIED="1493836994655"/>
<node TEXT="Create a subnet route table rule to send non-local traffic to IGW" ID="ID_291591729" CREATED="1493837002789" MODIFIED="1493837062401"/>
<node TEXT="Configure network ACLs and security group rules" ID="ID_1441835123" CREATED="1493837170321" MODIFIED="1493837186280"/>
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<node TEXT="Elastic IP Addresses (EIPs)" ID="ID_1039627312" CREATED="1493649462887" MODIFIED="1493813325042">
<node TEXT="Static, public IP address" ID="ID_1202092588" CREATED="1493816357456" MODIFIED="1493816368406"/>
<node TEXT="Allocated from a pool for a region" ID="ID_880197491" CREATED="1493816388868" MODIFIED="1493816398175">
<node TEXT="Assigned to an instance" ID="ID_300114684" CREATED="1493839722019" MODIFIED="1494431111431"/>
<node TEXT="Can be moved from one instance to another within the same region" ID="ID_1476677388" CREATED="1493816444750" MODIFIED="1493840219915"/>
<node TEXT="5 EIP addresses per account per region" ID="ID_1451303082" CREATED="1493908095885" MODIFIED="1493908191665"/>
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<node TEXT="1-1 relationship with network interface" ID="ID_377294574" CREATED="1493840107046" MODIFIED="1493840122283"/>
<node TEXT="Remain associated with an account until explicitly released" ID="ID_1100289966" CREATED="1493816405816" MODIFIED="1494431076779"/>
<node TEXT="Charges apply to EIP even if it is not associated with a resource" ID="ID_717237841" CREATED="1493840301574" MODIFIED="1493840340545"/>
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<node TEXT="Elastic Network Interface (ENIs)" ID="ID_1226476925" CREATED="1493840361413" MODIFIED="1494520974886">
<node TEXT="Virtual network interface" ID="ID_1563273138" CREATED="1493840403166" MODIFIED="1493840597261"/>
<node TEXT="Can be attached to an instance within the same AZ and the same VPC" ID="ID_1693554834" CREATED="1493840584913" MODIFIED="1494520837143">
<node TEXT="Allow instance network presence in different subnets" ID="ID_1953495693" CREATED="1493840602537" MODIFIED="1494520837143"/>
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<node TEXT="Associated with a subnet upon creation" ID="ID_1154608395" CREATED="1493840439959" MODIFIED="1493840457924"/>
<node TEXT="Can have 1 public IP and multiple private IPs" ID="ID_1466695510" CREATED="1493840469256" MODIFIED="1493840479075"/>
<node TEXT="Persists regardless the lifetime of instance" ID="ID_1222480536" CREATED="1493840779270" MODIFIED="1493840806001"/>
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<node TEXT="VPC Endpoints" ID="ID_1332318807" CREATED="1493649513627" MODIFIED="1493841883735">
<node TEXT="Enable private connections between VPC and another AWS service" ID="ID_72597231" CREATED="1493816550221" MODIFIED="1493817009857">
<node TEXT="Only supports S3 service currently" ID="ID_723950953" CREATED="1493841522586" MODIFIED="1493841684030"/>
<node TEXT="No need to access internet" ID="ID_1683503781" CREATED="1493816641761" MODIFIED="1493816663693"/>
<node TEXT="No need to go through NAT instance" ID="ID_632981072" CREATED="1493816664111" MODIFIED="1493816709288"/>
<node TEXT="No need for VPN" ID="ID_445953558" CREATED="1493816715534" MODIFIED="1493816719434"/>
<node TEXT="No need for AWS Direct Connect" ID="ID_160294096" CREATED="1493816722262" MODIFIED="1493816735650"/>
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<node TEXT="Can create multiple endpoints for a single service" ID="ID_458329255" CREATED="1493816742168" MODIFIED="1493816762972"/>
<node TEXT="Can configure multiple route tables" ID="ID_875295978" CREATED="1493842314077" MODIFIED="1493842321953">
<node TEXT="Use different route tables to enforce different policies from different subnets" ID="ID_1264897715" CREATED="1493816763340" MODIFIED="1493842350868"/>
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</node>
<node TEXT="Peering" ID="ID_1603855018" CREATED="1493813362892" MODIFIED="1493813365597">
<node TEXT="Networking connections between two VPCs" ID="ID_458604495" CREATED="1493817117428" MODIFIED="1493817133911">
<node TEXT="Can be within the same account" ID="ID_828582352" CREATED="1493817187108" MODIFIED="1493908496878"/>
<node TEXT="Can be in different accounts within the same region" ID="ID_125539137" CREATED="1493817213187" MODIFIED="1493908505312"/>
<node TEXT="Same bandwidth as if they are in the same VPC" ID="ID_1661354857" CREATED="1493842481362" MODIFIED="1493908556628"/>
<node TEXT="Peered VPCs must have non-overlapping IP ranges" ID="ID_119942838" CREATED="1493842798835" MODIFIED="1493908727528"/>
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<node TEXT="Not a gateway or VPN connection" ID="ID_481758942" CREATED="1493817170517" MODIFIED="1493817285579"/>
<node TEXT="No single point of failure" ID="ID_746568884" CREATED="1493817286127" MODIFIED="1493817304509"/>
<node TEXT="Created using request/accept protocol" ID="ID_252111503" CREATED="1493842539879" MODIFIED="1493842570110"/>
<node TEXT="Each VPC can have multiple peering connections" ID="ID_675884121" CREATED="1493842616965" MODIFIED="1493842630647"/>
<node TEXT="Can only have 1 peering agreement between 2 VPCs" ID="ID_75870999" CREATED="1493842648752" MODIFIED="1493842714966"/>
<node TEXT="No transitive routing" ID="ID_719318379" CREATED="1493842660751" MODIFIED="1493842695532"/>
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<node TEXT="Network Address Translation (NAT) Instances" ID="ID_1710693265" CREATED="1493649570226" MODIFIED="1493819264466">
<node TEXT="Allow traffic from instances within a private subnet to reach internet" ID="ID_1222165661" CREATED="1493824675097" MODIFIED="1493863396546"/>
<node TEXT="Customer-managed instance" ID="ID_787363399" CREATED="1493819350269" MODIFIED="1493824597274"/>
<node TEXT="Should be in a public subnet" ID="ID_1310245172" CREATED="1493862868306" MODIFIED="1493863845174"/>
<node TEXT="Must be behind a security group" ID="ID_1599429085" CREATED="1493862809374" MODIFIED="1493862817986"/>
<node TEXT="Forward traffic to IGW" ID="ID_1962271744" CREATED="1493824658356" MODIFIED="1493824666711"/>
<node TEXT="Configure route table to direct internet-bound traffic to NAT instance" ID="ID_382778125" CREATED="1493862925742" MODIFIED="1493863247820"/>
<node TEXT="Disable source/destination check attribute" ID="ID_1121809905" CREATED="1493862880178" MODIFIED="1493862898476"/>
<node TEXT="Allocate an EIP and associate with the NAT instance" ID="ID_720194486" CREATED="1493863003316" MODIFIED="1493863021672"/>
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<node TEXT="NAT Gateways" ID="ID_1366972848" CREATED="1493819264984" MODIFIED="1493819269513">
<node TEXT="Allow traffic from instances within a private subnet to reach internet" ID="ID_1605608180" CREATED="1493824675097" MODIFIED="1493863396546"/>
<node TEXT="Better availability and higher bandwidth than NAT instance" ID="ID_1257704374" CREATED="1493844848658" MODIFIED="1493844883799"/>
<node TEXT="AWS managed service" ID="ID_1088188834" CREATED="1493824790326" MODIFIED="1493824796199"/>
<node TEXT="Should be in a public subnet" ID="ID_908243241" CREATED="1493862868306" MODIFIED="1493863837706"/>
<node TEXT="Forward traffic to IGW" ID="ID_1441111739" CREATED="1493824658356" MODIFIED="1493824666711"/>
<node TEXT="Configure route table to direct internet-bound traffic to NAT gateway" ID="ID_565286043" CREATED="1493862925742" MODIFIED="1493863443809"/>
<node TEXT="Allocate an EIP and associate with the NAT gateway" ID="ID_1802392836" CREATED="1493863003316" MODIFIED="1493863472595"/>
<node TEXT="Recommend to use in production" ID="ID_241599835" CREATED="1493906850295" MODIFIED="1494512373168"/>
</node>
<node TEXT="Connecting On-prem with VPC" ID="ID_365173590" CREATED="1493650722737" MODIFIED="1494432429936">
<node TEXT="Virtual Private Gateways (VPGs or VGWs)" ID="ID_1155916935" CREATED="1493649610726" MODIFIED="1494521938256">
<node TEXT="AWS end of VPN tunnel" ID="ID_794879824" CREATED="1493666408911" MODIFIED="1493812864628"/>
<node TEXT="Supports dynamic routing with BGP" ID="ID_1622205414" CREATED="1493666668907" MODIFIED="1493864082728"/>
<node TEXT="Support static routing" ID="ID_1453549638" CREATED="1493666696598" MODIFIED="1493666703642"/>
<node TEXT="5 VPGs per account per region" ID="ID_998827145" CREATED="1493908158353" MODIFIED="1493908180135"/>
<node TEXT="10 IPsec VPN Connections per VPG" ID="ID_1334142099" CREATED="1493908261554" MODIFIED="1493908275132"/>
</node>
<node TEXT="Customer Gateways (CGWs)" ID="ID_1197954370" CREATED="1493650798007" MODIFIED="1494521863213">
<node TEXT="Customer&apos;s side of VPN tunnel" ID="ID_1441836430" CREATED="1493666424036" MODIFIED="1493812898974"/>
<node TEXT="Hardware or software application" ID="ID_191472680" CREATED="1493812905977" MODIFIED="1494521863213"/>
<node TEXT="50 customer gateways per account per region" ID="ID_1621033929" CREATED="1493908234226" MODIFIED="1493908243142"/>
</node>
<node TEXT="Virtual Private Networks (VPNs) tunnel" ID="ID_1260268358" CREATED="1493650808890" MODIFIED="1494514011671">
<node TEXT="Must initiate from CGW to VPG" ID="ID_1266694158" CREATED="1493666478313" MODIFIED="1493812992200"/>
<node TEXT="Consists of two tunnels for HA to VPC" ID="ID_113341945" CREATED="1493813025527" MODIFIED="1494514011671"/>
</node>
</node>
</node>
</node>
</map>
