select nmap based on peer version

management/internals/controllers/network_map/controller/controller.go

@@ -36,6 +36,10 @@ import (
 	"github.com/netbirdio/netbird/util"
 )
 
+const (
+	compactNetworkMapMinVersion = "v0.61.0" // TODO change to real version
+)
+
 type Controller struct {
 	repo    Repository
 	metrics *metrics
@@ -478,6 +482,12 @@ func (c *Controller) getPeerNetworkMapExp(
 			Network: &types.Network{},
 		}
 	}
+
+	peer := account.GetPeer(peerId)
+	if peer != nil && supportsCompactNetworkMap(peer) {
+		return account.GetPeerNetworkMapCompactExp(ctx, peerId, customZone, validatedPeers, metrics)
+	}
+
 	return account.GetPeerNetworkMapExp(ctx, peerId, customZone, validatedPeers, metrics)
 }
 
@@ -618,6 +628,19 @@ func (c *Controller) StartWarmup(ctx context.Context) {
 
 }
 
+func supportsCompactNetworkMap(peer *nbpeer.Peer) bool {
+	if peer.Meta.WtVersion == "development" || peer.Meta.WtVersion == "dev" {
+		return true
+	}
+
+	peerVersion := semver.Canonical("v" + peer.Meta.WtVersion)
+	if peerVersion == "" {
+		return false
+	}
+
+	return semver.Compare(peerVersion, compactNetworkMapMinVersion) >= 0
+}
+
 // computeForwarderPort checks if all peers in the account have updated to a specific version or newer.
 // If all peers have the required version, it returns the new well-known port (22054), otherwise returns 0.
 func computeForwarderPort(peers []*nbpeer.Peer, requiredVersion string) int64 {

management/server/types/networkmap.go

@@ -32,6 +32,17 @@ func (a *Account) GetPeerNetworkMapExp(
 	return a.NetworkMapCache.GetPeerNetworkMap(ctx, peerID, peersCustomZone, validatedPeers, metrics)
 }
 
+func (a *Account) GetPeerNetworkMapCompactExp(
+	ctx context.Context,
+	peerID string,
+	peersCustomZone nbdns.CustomZone,
+	validatedPeers map[string]struct{},
+	metrics *telemetry.AccountManagerMetrics,
+) *NetworkMap {
+	a.initNetworkMapBuilder(validatedPeers)
+	return a.NetworkMapCache.GetPeerNetworkMapCompact(ctx, peerID, peersCustomZone, validatedPeers, metrics)
+}
+
 func (a *Account) OnPeerAddedUpdNetworkMapCache(peerId string) error {
 	if a.NetworkMapCache == nil {
 		return nil